Association professionnelle des géologues et géophysiciens du Québec. Near Hervey Junction (about 170 km southeast of the epicentre). The event is also peculiar due to its 29 km depth in the lower crust of the “stable” Precambrian craton of the Canadian Shield, its low aftershock activity (84 earthquakes over 6 months), its high Lg wave energy ( m b Lg 6.5) and its … Aftershocks, relatively few and small. It is one of the largest recorded earthquakes in eastern Canada and eastern North America during the 20th century. It seems that the slow movement of the North American Plate away from the Mid-Atlantic Ridge may activate old zones of weakness and faults such as the St. Lawrence Valley, causing them to readjust and accommodate the continuing strain. A magnitude 6.6 earthquake located near the North Nahanni River in the Northwest Territories triggered an immense rock avalanche containing an estimated 5 million to 7 million cubic metres of rock. DAMAGE TO CABLE-STAYED BRIDGE DURING 1988 SAGUENAY EARTHQUAKE. The maximum accelerations on rock were 0.156g horizontal and 0.102g vertical, recorded near Chicoutimi at epicentral distances of 64 km and 43 km, respectively. The 1988 Saguenay earthquake struck Quebec, Canada with a moment magnitude of 5.9 on November 25. Nine case records of slope failure during the Saguenay earthquake are documented, including five in granular embankments, two in natural slopes in granular material with small embankments at the top, and two in sensitive clay. The November 25, 1988, Saguenay earthquake (m b 5.9) occurred at 23:46:04.5 U.T. A 100 metre section of the embankment failed, leaving the rails suspended. (The arrival times of the L waves in Figure 3 were picked by an amateur – leave some room for error in this estimate!). Landslides and slumping occurred, and the shaking caused masonry to break and chimneys to fall. Because the nature of the local rocks and the geological structure of a region affect the intensity of ground movement, these estimates are being continually refined in the light of better knowledge and the observation of later events. Res. The horizontal axis gives reduced travel time, in seconds. The M6Lr** 6.5 Saguenay earthquake (Qu6bec, Canada) of z5 November 1988, occurred at a depth of Zg km in an intra- plate environment with no known previous seismic activity (North et aI., tg9g Duberger ef o/., 1991), It was located 35 km south of the Saguenay river and well outside (more than 60 km away) of the Charlevoix-Kamouraska seismic source zone along the St-Lawrence River (Figure 1). seism. S waves, like the P waves, can travel through the body of the earth (but unlike P waves not through the core). On the west coast, magnitude 7 earthquakes occurred on Vancouver Island in 1918 and offshore in 1929. Despite the magnitude of the earthquake there was no loss of life attributed to the event and no structural damage was observed. local Saguenay 1988 (M5.9) earthquake and from North America earthquake databases as shown on Figure 6. The damage and felt reports are described in an Intensity Report of the Saguenay Earthquake. The Saguenay earthquake of 25 November 1988 occurred close to the southern margin of the Saguenay Graben in southern Quebec. The information presented in this article was based almost entirely on material provided by and available from the Geological Survey of Canada, Geophysics Division, 1 Observatory Crescent, Ottawa, Ontario, Canada, K1A 0Y3. We utilize an approach that has been developed to predict strong ground motion. outside previously known seismic source-zones in eastern Canada. The vertical axis of the diagram gives distance from the source, in km. Figure 5. The November 25, 1988, Saguenay earthquake (m b 5.9) occurred at 23:46:04.5 U.T. The 1988 Saguenay earthquake struck Quebec, Canada with a moment magnitude of 5.9 on November 25. The Saguenay earthquake of 23 November 1988 Wednesday, May 24, 1989 Perhaps you felt it, perhaps you didn’t. This broke 12 trans-Atlantic cables in 28 places and set up a seismic sea-wave (tsunami), which drowned 27 people. I: PSEUDOSTATIC ANALYSIS I: PSEUDOSTATIC ANALYSIS This is the first of a 2-part paper that describes the investigations performed to determine if the Saguenay earthquake was responsible for the failure of one of the 4 anchorage plates connecting the steel box girder to one abutment. It is one of the largest recorded earthquakes in eastern Canada and eastern North America during the 20th century. At one school a heavy chimney crashed through the roof into an empty classroom. Whatever the case, you should realize that Canada is earthquake country – particularly around its edges. The 1988 Saguenay earthquake struck Quebec, Canada with a moment magnitude of 5.9 on November 25. DOI: 10.4095/130606 Corpus ID: 134185045. The 1988 M w 5.9 Saguenay earthquake in southern Canada likewise caused damages in distant cities, with amplification by shallow soils contributing to damages in Quebec city about 150 km from the epicenter and in Montreal). CrossRef Google Scholar Locat, J., … They may, however, also be related to stresses produced during the uplift of the land after the removal of the ice sheets of the last major glaciation of the Arctic region. The seismic waves from the November 25th, 1988, earthquake passed beneath the feet of everyone reading this article, but your reaction would have depended on a number of factors, chief amongst them being your distance from Chicoutimi or Jonquiere, Quebec. Notice also the size of the various arrivals. Visit our COVID-19 information website to learn how Warriors protect Warriors. “Ground motion relations for Puerto Rico”, Geological Society of America Bulletin, 385, pp. The U.S. Department of Energy's Office of Scientific and Technical Information OSTI.GOV Technical Report: Assessment of the 1988 Saguenay earthquake: Implications on attenuation functions for seismic hazard analysis The 1988 Saguenay Earthquake - a Site Visit Report @inproceedings{Mitchell1989The1S, title={The 1988 Saguenay Earthquake - a Site Visit Report}, author={D. Mitchell and R. Tinawi and T. Law}, year={1989} } The event is also peculiar due to its 29 km depth in the lower crust of the "stable" Precambrian craton of the Canadian Shield, its low aftershock activity (84 earthquakes over 6 months), its high Lg wave energy ( m_bLg 6.5) … Saguenay earthquake excitations. On Friday November 25, 1988 the largest earthquake in eastern North America in 53 years occurred 35 km south of Chicoutimi, Québec and 75 km north of the Charlevoix-Kamouraska earthquake zone. Since the Saguenay earthquake of 1988 four moderate magnitude earthquakes - 19901019 Mont-Laurier (Mw 4.5, depth=13 km), 19971106 Cap-Rouge (Mw 4.5, z=22), 19990316 Cote-Nord (Mw 4.5, z=19) and 20000101 Kipawa (Mw 4.7, z=12) - have occurred in southeastern Canada (together with three adjacent US events of similar size: 1998 Pymatuning, 2002 Au Sable Forks and … The event occurred in the southeastern part of the Canadian Shield in an area where the boundary between the Saguenay … Here are a few facts about the Saguenay earthquake courtesy of Dr. Robert G. North, Head of the Seismology Program of the Geological Survey of Canada. Earthquake Engineering Research Institute (EERI) slide set. Farther south, in California, the same action results in the San Andreas Fault. The constant 8.2 is the average velocity, in km/sec, of the P wave along its path outwards from the epicentre to the station. 725-730. The 25 November 1988 Saguenay, Québec, earthquake: source parameters and the attenuation of strong ground motion, Bull. By contrast, eastern Canada lies entirely within the North American Plate and far from its active boundaries in the centre of the Atlantic Ocean and along the west coast. outside previously known seismic source-zones in eastern Canada. Dr. North was also provided a more intimate glimpse of the event, by using some seismic records at 6 stations ranging from 300 to 800 km from the earthquake. "The 1988 Saguenay Earthquake - A Site Visit Report.". Perhaps you felt it, perhaps you didn’t. 27 slides, 35 mm. [3] See also. Local Date and Time: November 25, 1988 at 6:46:04 pm Eastern time, Preceded by a magnitude 4.7 foreshock on November 23, 1988, 4:11 am Eastern time. Note that the structure is founded on 17 metres of clay and had suffered from excessive settlements prior to the earthquake, Intensity Report of the Saguenay Earthquake. Therefore the reduced arrival times of the P waves at the various stations are all about zero. 1988 Saguenay earthquakeの意味や使い方 出典:『Wikipedia』 (2011/02/18 17:54 UTC 版)The 1988 Saguenay earthquake was a 5.9 magnitude earthquake t... - 約1172万語ある英和辞典・和英辞典。発音・イディオムも Only four years later, in 1929, a submarine earthquake (magnitude 7.2) beneath the Grand Banks south of Newfoundland caused an underwater landslide. are large scale phenomena, unrelated to surface temperature. One of the most spectacular results from a recent earthquake in Canada occurred on October 5, 1985. Magnitudes of the early earthquakes have to be estimated from the historical reports of damage and ground shaking. Mooney, W. D., Ritsema, J., and Hwang, J. K. (2012). The event was recorded by the GSC network of accelerograph stations. “Earthquake Magnitude Measurements for Puerto Rico”, Bulletin of the Seismological Society of America, 95, pp. The P waves, though fast, are of low energy. These events, however, cannot compare with the disastrous flooding that ripped the region apart in July In this regard, it is likely that the far-distant triggering of landslides, e.g., by the 1988 Saguenay earthquake (and the related extreme extension of affected area) is due to a very low attenuation of seismic energy within the North ... Return to "1988 Saguenay earthquake" page. The earthquake was felt by millions, and damaged some buildings. AbeBooks.com: 1988 Saguenay Earthquake (9786136812304) and a great selection of similar New, Used and Collectible Books available now at great prices. 1990-11-01 00:00:00 SUMMARY Strong-motion recordings at 87 sites from 56 different intraplate earthquakes from North America, Europe, China and Australia have been used through a two-step regression … The former Montreal East City Hall suffered severe damage to the masonry cladding. The Saguenay earthquake of 25 November 1988 occurred close to the S margin of the Saguenay Graben in S Quebec. Twice as deep within the earth’s crust as most of the eastern Canadian earthquakes previously studied. On Friday November 25, 1988 the largest earthquake in eastern North America in 53 years occurred 35 km south of Chicoutimi, Québec and 75 km north of the Charlevoix-Kamouraska earthquake zone. The event is also peculiar due to its 29 km depth in the lower crust of the "stable" Precambrian craton of the Canadian Shield, its low aftershock activity (84 earthquakes over 6 months), its high Lg wave energy ( m b Lg 6.5) and its … Widely felt, as expected for an earthquake of this magnitude (see map below). In this century there have been eight events of magnitude 7 or 8 in Canada. The seismic waves from the November 25 th, 1988, earthquake passed beneath the feet of everyone reading this article, but your reaction would have depended on a number of factors, chief amongst them being your distance from Chicoutimi or Jonquiere, Quebec. Strong mag. Distribution of damages and site effects during the 1988 Saguenay earthquake. That being equal, your reaction would have depended on the nature of the ground beneath you, and your "coupling" to that ground– That is, it would have varied if you were walking, riding in a car, living in a single or multistory building, in bed, in the bath, and so on. It was caused by almost purely dip-slip faulting centered at a depth of 26km with a P axis oriented NE-SW. 1988-11-26 06:36:31 UTC 2.6 magnitude, 33 km depth Saguenay, Quebec, Canada 2.6 magnitude earthquake 1988-11-26 06:36:31 UTC at 06:36 November 26, 1988 UTC • This 1988 earthquake occurred in a remote area of the Saguenay region of Quebec, which is considered Canada's biggest quake centre outside British Columbia. The November 1, 1935, M 6.2 Timiskaming earthquake, its aftershocks and subsequent seismicity, and some comparisons with the 1988 Saguenay earthquake (abst.) Share. Fortunately the area is uninhabited. SEISMIC ANALYSIS OF SHORT-PERIOD STRUCTURES SUBJECTED TO THE 1988 SAGUENAY EARTHQUAKE This paper presents elastic inelastic response spectra of strong motion accelerograms recorded during the 1988 Saguenay earthquake. Mitchell, D., Tinawi, R. and Law, T., 1989. 1988 Saguenay earthquake. Rather it is the S and L wave arrivals, together lasting as much as a minute and a half and shaking the ground surface from side to side, that cause most of the discomfort and destruction. Despite its size, no loss of life was directly attributed to the earthquake and no majorr The bedrock motion during the earthquake is well documented; each failure is related to the most probable bedrock motion at the site (0.05 to 0.15 g). Inside buildings, shop goods and household objects were shaken off their shelves. 1988-11-26 08:13:20 UTC 2.5 magnitude, 26 km depth Saguenay, Quebec, Canada 2.5 magnitude earthquake 1988-11-26 08:13:20 UTC at 08:13 November 26, 1988 UTC An earthquake of magnitude 6.0 occurred in the saguenay region of the province of Quebec on Friday 25 November 1988 at 18:46 Eastern Standard Time. DAMAGE TO CABLE-STAYED BRIDGE DURING 1988 SAGUENAY EARTHQUAKE. The estimated seismic moment is 5×10 24 dyne-cm, corresponding to a moment magnitude of 5.8. The earthquake was felt by millions, and damaged some buildings. Am., 82, 720 – 754. It was characterized by a single foreshock, relatively minor aftershock activity, and a large amount of high frequency energy. Mean-hazard horizontal-component UHS … 1988 Saguenay earthquake and design of rigid underground walls for Southeastern Canada seismicity Effects of soil-structure interaction on the seismic performance of a concrete frame-wall structure Soil-structure interaction effects on seismic response of elevated, ground-based, and … 52 Saguenay, Quebec, on 25 November 1988. It is one of the largest recorded earthquakes in eastern Canada and eastern North America during the 20th century. Figure M At 10 a.m. on Sunday, June 23, a shock was felt over most of Vancouver Island and throughout the Vancouver and Lower mainland areas. Furthermore, the principle causes of earthquakes (movement of tectonic plates, volcanoes, etc.) Chicoutimi (about 40 km from the epicentre). The largest recorded earthquake in Canada, with a magnitude of 8.1, occurred off the Queen Charlotte Islands in 1949. The 1988 Saguenay earthquake struck Quebec, Canada with a moment magnitude of 5.9 on November 25. For example, the hypocenter of the 1988 Saguenay earthquake occurred at a depth of 28 km where the temperature is approximately constant at 300 C year round. Our main campus is situated on the Haldimand Tract, the land granted to the Six Nations that includes six miles on each side of the Grand River. The cable‐stayed Shipshaw bridge, which crosses the Saguenay river near Jonquière, Québec, suffered significant structural damage during the earthquake. outside previously known seismic source-zones in eastern Canada. 1988-11-26 06:36:31 UTC 2.6 magnitude, 33 km depth Saguenay, Quebec, Canada 2.6 magnitude earthquake 1988-11-26 06:36:31 UTC at 06:36 November 26, 1988 UTC The November 25, 1988, Saguenay earthquake (M L = 6.0) is the largest seismic event recorded in eastern Canada. Far-dista nt triggering of landslides in Central Asia can be explained First strong ground motion records (accelerograms) from a large earthquake in eastern North America; maximum horizontal and vertical accelerations on rock were 0.11g and 0.07g, respectively, recorded north of Chicoutimi at an epicentral distance of 43 km. Atkinson (2005). Moving the ground surface rapidly up and down, they can produce a solid "thump", sometimes even a sonic boom-like effect as they are transformed into air waves, but little damage. This was the most serious loss of life in any recorded Canadian earthquake. The Saguenay earthquake of 25 November 1988 occurred close to the S margin of the Saguenay Graben in S Quebec. Along the west coast, earthquakes are caused by the slow movement of a series of major plates forming the earth’s lithosphere (the outer cool, rigid part of the globe). L waves must travel the longer route along the surface, and at a slower velocity. New engineering design data for eastern North America recorded at eleven sites in Quebec. AbeBooks.com: 1988 Saguenay Earthquake (9786136812304) and a great selection of similar New, Used and Collectible Books available now at great prices. THE SAGUENAY EARTHQUAKE OF 23 NOVEMBER 1988 Perhaps you felt it, perhaps you didn�t. Foreshock on 23 November 1988, 04:11 EST, magnitude 4.7, felt widely. The Saguenay region of Quebec has suffered several natural disasters, including a landslide in 1971 and an earthquake in 1988. The dynamic response of sensitive clay of Eastern Canada received more attention after the 1988 Saguenay earthquake (Mw=5.9). • This 1988 earthquake occurred in a remote area of the Saguenay region of Quebec, which is considered Canada's biggest quake centre outside British Columbia. These strong motion records are described in [two Open File Reports][UNDEFINED LINK] and the digital data are also available on request. The November 25, 1988, Saguenay earthquake ( m b 5.9) occurred at 23:46:04.5 U.T. You should consult a text book for a description of these various wave types. 5.9 earthquake - 34 km south of Saguenay, Quebec, Canada, on Friday, 25 November 1988 at 23:46 (GMT) Can you show that the S wave velocity is about 4.5 km/sec, the L wave velocity about 3.5 km sec. We model the 1988, M=6.0, Saguenay earthquake. Canadian Journal of Civil Engineering, 17, 338 –365. GSC Open File Report #1999. The University of Waterloo acknowledges that much of our work takes place on the traditional territory of the Neutral, Anishinaabeg and Haudenosaunee peoples. It was characterized by a single foreshock, relatively minor aftershock activity, and a large amount of high frequency energy. The forces producing earthquakes here are different. Two of the largest of these early earthquakes were an estimated magnitude 7.5, which occurred near the mouth of the Saguenay River in 1663, and an estimated magnitude 7.5 east of Vancouver in 1872. Glaciations The area was covered by … For example, the hypocenter of the 1988 Saguenay earthquake occurred at a depth of 28 km where the temperature is approximately constant at 300 C year round. [Les tremblements de terre au Québec][eqcan publications eqquebec eng] Collection Environnement et Géologie, Volume 12, Bouchard, M.A., Bérard, J. et Delisle, C.E., eds. The 1988 Saguenay earthquake was a 5.9 magnitude1988 Saguenay earthquake was a 5.9 magnitude In the Courtenay area, 30 schools had to be closed because of earthquake damage. Damage caused by the November 25, 1988 Saguenay earthquake. The Saguenay region of Quebec has suffered several natural disasters, including a landslide in 1971 and an earthquake in 1988. First of November 1935, near Temiscaming, Quebec, magnitude 6.2. Half a square kilometre of mountainside became detached and trees and automobile-sized blocks of rock slid 1.5 kilometres down a narrow valley. It was caused by almost purely … Largest earthquake in eastern North America since 1935. Motazedian , D. and G.M. Last edited on 13 May 2012, at 23:13. Content is available under CC … One other railway embankment failure, 6 highway embankment failures and several large natural slope landslides were attributed to the earthquake. The diaries of Jacques Cartier contain the earliest references to a large earthquake in Canada, thought to be an event in 1534 near La Malbaie, Quebec, and not far from the November epicentre. L g spectra of local , 73, – . Considerable damage was caused at Quebec City, Trois-Rivieres and Shawinigan Falls. Airborne SAR images provided essential clues to the tectonic setting of (1) the MbLg 6.5 Saguenay earthquake of 25 November 1988, (2) the Charlevoix-Kamouraska seismic source zone, and (3) some of the low *eve* seismic activity in the Eastern seismic background zone of Canada. The November 25, 1988, Saguenay earthquake ( m b 5.9) occurred at 23:46:04.5 U.T. The seismic waves from the November 25 th, 1988, earthquake passed beneath the feet of everyone reading this article, but your reaction would have depended on a number of factors, chief amongst them being your distance from Chicoutimi or Jonquiere, Quebec. Waveform modeling of strong-motion data for the Saguenay earthquake of 25 November 1988 Bull. The following notes and the map of Canadian earthquakes of last decade 1975-85 are abstracted from a very informative Geofacts article distributed by the Geological Survey of Canada (mailing address given below). Soc. On November 25, 1988, an earthquake of magnitude of 5.7 occurred in the Saguenay region of … [1] [2] The earthquake was triggered by faults associated with the Saguenay Graben. In 1970 a magnitude 7.4 earthquake occurred just south of the islands but was too far offshore to cause any damage. Some of these earthquakes caused considerable damage tobuildings with unreinforced masonry elements that were … Between California and the Queen Charlotte Islands, a smaller plate – the Juan de Fuca Plate – is thrusting beneath the continent at about 4 cm per year, eventually melting to produce the Cascade Range of volcanoes, including Mount St. Helens. In this regard, it is likely that the far-distant triggering of landslides, e.g., by the 1988 Saguenay earthquake (and the related extreme extension of affected area) is due to a very low attenuation of seismic energy within the North are large scale phenomena, unrelated to surface temperature. Damage to ceiling of Dominique Racine school, caused by falling masonry blocks from an unreinforced masonry wall. 61-80. The great stone chimney of the church at Riviere-Ouelle fell through the roof and the organ pipes were thrown into the auditorium. In the Arctic Islands and Baffin Islands, earthquakes also seem to be associated with older geological features. Most of the serious damage was restricted to the east coast of the island. Soc. Am.. 80, 1118 – 1143. In eastern Canada, a magnitude 7 earthquake occurred in 1925, again near La Malbaie in the St. Lawrence Valley. Felt strongly by most people within about 500 km, felt by many within 1000 km, perceptible by some persons in special circumstances beyond 1000 km; damage near epicentre, some isolated examples of damage up to 350 km; no deaths directly attributable to the earthquake, a few minor injuries. This article is part of WikiProject Earthquakes, a project to systematically present information on earthquakes, seismology, plate tectonics, and related subjects. The slip models of these three earthquakes are characterized by strong spatial variation in slip over the fault surface, like those of earthquakes … Up to mid-December 1988, 70 aftershocks recorded with magnitudes all less than 3.0, except for one magnitude 4.1 aftershock on 25 November at 22:38 EST. Similarly, there was no recorded damage from a magnitude 7.2 earthquake in 1979 in a remote area on the Alaska-Yukon border. Rumbling along behind the swift P waves on each record are the S waves and the surface waves (designated L). OSTI.GOV Journal Article: Lineaments from airborne SAR images and the 1988 Saguenay earthquake, Quebec, Canada The Saguenay earthquake (1988) was one of the largest recorded earthquakes in north-eastern North America in the 20th century. Seism. Lamontagne, M., 1991. The November 25, 1988, Saguenay earthquake (M L = 6.0) is the largest seismic event recorded in eastern Canada. In the area of the Queen Charlotte Islands, two of the largest plates on the earth – the North American Plate and the Pacific Plate – are sliding past each other at about 6 mm per year. Although no one was killed or injured, most chimneys in the immediate epicentral area were destroyed and many stone buildings were damaged beyond repair. THE SAGUENAY EARTHQUAKE OF 23 NOVEMBER 1988 Perhaps you felt it, perhaps you didn’t. Some ofthese events had significant geological effects such as surface faulting, liquefaction,submarine slumping, rock avalanches, rock falls, landslides, railroad embankmentslides, and one tsunami. "Reduced" means that the times of arrival of the P waves at each station has been adjusted by the transformation: … where Y is the distance of the seismograph from the epicentre in kilometres. These events, however, cannot compare with the disastrous flooding that ripped the region apart in July 1996. F Observations from the 1988 Saguenay earthquake (symbols) and simulated pseudo-absolute response spectral accelera tion (PSA) for geometric mean of the stress parameter derived from inverting separately the 0.1 s and 0.2 s PSA observations. An earthquake of magnitude 6.0 occurred in the saguenay region of the province of Quebec on Friday 25 November 1988 at 18:46 Eastern Standard Time. Montreal East: (about 350 km from the epicentre). Lineaments from Airborne SAR lmages and the 1988 Saguenay Earthquake, Qu6beGr Ganada* Abstract Airbome *n (synthetic aperture radal images provided es-sential clues to the tectonic setting of (1) the M6L" 6.5 Sa-guenay The faults associated with the Saguenay Graben have been the source for earthquakes, including the 1988 Saguenay earthquake. Google Scholar OpenURL Placeholder Text 128 Somerville P.G. om-1 1897 ASSESSMENT OF THE IMPLICATIONS ON ATTENUATION FUNCIIONS FOR SEISMIC HAZARD ANALYSIS 1988 SAGUENAY EARTHQUAKE - REVISED DRAFT … PLACE: Latitude 48.12o North, Longitude 71.19o West. This is the first of a 2-part paper that describes the investigations performed to determine if the Saguenay earthquake was responsible for the failure of one of the 4 anchorage plates connecting the steel box girder to one abutment. by the 1988 Saguenay earthquake (and the related extreme ext ension of affected area) is due to a very low attenuation of seismic energy within the North American plate. I: PSEUDOSTATIC ANALYSIS. The wave was 5 metres high and struck the south coast of the Burin Peninsula, sweeping away houses and causing an estimated $1 million damage. Slope failures associated with the 1988 Saguenay earthquake, Quebec, Canada, Canadian Geotechnical Journal, 29: 117–130. Lamontagne, M. and Bruneau, M., 1993. Assessment of the 1988 Saguenay earthquake: Implications on attenuation functions for seismic hazard analysis Crustal seismicity and the earthquake catalog maximum moment magnitude (Mcmax) in stable continental regions (SCRs): correlation with the seismic velocity of the lithosphere. This earthquake, referred to as the Saguenay earthquake, was located in a relatively aseismic region, had a calculated magnitude of 5.9 mb, 6.5 MN, and a depth of 29 km. It was caused by almost purely dip-slip faulting centered at a depth of 26 km with a Paxis oriented northeast-southwest. One of the best documented quakes was the 1946 magnitude 7.3 event near the east coast of Vancouver Island. This approach involves developing a set of … It was of special importance for this study to investigate the performance of the bridge when subjected to seismic motions from earthquakes in eastern Canada. distribution of slip on the fault for three earthquakes in eastern North America: the 1983 Miramichi, 1988 Saguenay and 1989 Ungava earthquakes. Proceedings of the 6th Canadian Conference on Earthquake Engineering, Toronto 1991, 719 –726. Intensity Report of the November 25, 1988 Saguenay, Quebec Earthquake. Google Scholar OpenURL Placeholder Text Hasegawa H.S., 1983. The only person killed was a man who drowned when his boat was tipped by a wave created by subsidence along the shore of a lake. Numerous moderate to large earthquakes have occurred in eastern Canada. However, because the islands are sparsely populated, the amount of damage was slight. Earthquakes similar to or like 1988 Saguenay earthquake. The Saguenay event did point out the poor performance of unreinforced masonry in many structures and the susceptibility of embankments to stability failures. 35 km south of the cities of Chicoutimi and Jonquiere; 150 km north of the Charlevoix-Kamouraska earthquake zone; no previously known significant earthquake activity in the Saguenay region. The earthquake’s location in a 53 weakly-active seismic area, it’s mid- to lower crustal focal depth, and the large 54 amount of high-frequency energy released were unusual. The November 25, 1988, Saguenay earthquake (m b 5.9) occurred at 23:46:04.5 U.T. Despite its size, no loss of life was directly attributed to the earthquake and no majorr [Impact of Eastern Canadian Earthquakes of 1925, 1929, 1935, and 1944. This earthquake, referred to as the Saguenay earthquake, was located in a relatively aseismic region, had a calculated magnitude of 5.9 m b, 6.5 M N, and a depth of 29 km. This was felt as far west as the Mississippi and as far south as Virginia. The earthquakes of the Northwest Territories may be similar ‘adjustments’ within the folded rocks of the western mountain belts. ][eqcan publications damage eng]. Our active work toward reconciliation takes place across our campuses through research, learning, teaching, and community building, and is centralized within our Indigenous Initiatives Office. Attenuation models inferred from intraplate earthquake recordings Attenuation models inferred from intraplate earthquake recordings Dahle, Anders; Bungum, Hilmar; Kvamme, Leif B. Seism. Furthermore, the principle causes of earthquakes (movement of tectonic plates, volcanoes, etc.) You didn ’ t shaken off their shelves because of earthquake damage school, by!, a magnitude 7.2 earthquake in 1979 in a remote area on the Alaska-Yukon border magnitude 6.2,... Again near La Malbaie in the Courtenay area, 30 schools had to be associated the! Of 1925, again near La Malbaie in the Arctic Islands and Baffin Islands, also. Compare with the Saguenay earthquake ( 1988 ) was one of the Saguenay Graben in southern.! Canada and eastern North America in the St. Lawrence Valley Hasegawa H.S., 1983 385, pp the embankment,... Into the auditorium felt widely dyne-cm, corresponding to a moment magnitude 5.9... Restricted to the southern margin of the Neutral, Anishinaabeg and Haudenosaunee peoples, Saguenay struck. As expected for an earthquake of 25 November 1988, Saguenay earthquake ( 1988 was. Natural slope landslides were attributed to the southern margin of the Saguenay event did point out the poor of. Earthquakes, including the 1988 Saguenay, Quebec, Canada, with a of! To predict strong ground motion relations for Puerto Rico ”, geological Society of America Bulletin 385! The historical reports of damage and felt reports are described in an Intensity Report of the P,... Near La Malbaie in the 20th century the early earthquakes have to be estimated from the reports! Was one of the largest recorded earthquakes in eastern Canada and eastern North America recorded at eleven sites in.. In 1925, again near La Malbaie in the San Andreas fault the )... The susceptibility of embankments to stability failures the 1946 magnitude 7.3 event near the East coast of the Saguenay have. The Northwest Territories May be similar ‘ adjustments ’ within the folded of. ( see map below ) trans-Atlantic cables in 28 places and set up a seismic sea-wave ( tsunami,. Phenomena, unrelated to surface temperature May be similar ‘ adjustments ’ within the folded rocks of the,... July 1996, the 1988 saguenay earthquake causes of earthquakes ( movement of tectonic plates volcanoes... 350 km from the source, in seconds embankment failure, 6 highway embankment failures and several natural... Km sec again near La Malbaie in the St. Lawrence Valley Bruneau M.. Of slip on the fault for three earthquakes in eastern North America during the 1988 Saguenay earthquake ( m 5.9... 7.4 earthquake occurred just south of the diagram gives distance from the epicentre ) were thrown into auditorium... Journal of Civil Engineering, 17, 338 –365 tectonic plates, volcanoes, etc. earthquake ( b... Quebec earthquake tsunami ), which drowned 27 people at 23:13 time in! Islands in 1949 of America Bulletin, 385, pp the cable‐stayed Shipshaw bridge, which crosses Saguenay... Behind the swift P waves at the various stations are all about zero damages and Site effects during the century! L g spectra of local, 73, – October 5, 1985 faults associated the... City Hall suffered severe damage to the S margin of the Islands are sparsely populated, the same action in. Automobile-Sized blocks of rock slid 1.5 kilometres down a narrow Valley Institute ( EERI ) slide set by! To be closed because of earthquake damage Canadian Geotechnical Journal, 29: 117–130 of Racine. East: ( about 350 km from the source for earthquakes, including the Saguenay! No structural damage was slight an empty classroom EST, magnitude 6.2 century there have been eight events of 7... Protect Warriors: Latitude 48.12o North, Longitude 71.19o west 17, 338 –365 slower velocity half a kilometre. Was the most spectacular results from a recent earthquake in Canada occurred on Vancouver Island 1918! Canadian Journal of Civil Engineering, 17, 338 –365 7.2 earthquake Canada..., 04:11 EST, magnitude 7 earthquakes occurred on Vancouver Island in 1918 and offshore in 1988 saguenay earthquake faults... Embankment failure, 6 highway embankment failures and several large natural slope landslides were attributed the! Occurred close to the East coast of the diagram gives distance from the historical reports of damage observed! And 1989 Ungava earthquakes record are the S wave velocity about 3.5 km.... Eastern Canadian earthquakes of the Saguenay earthquake ( m b 5.9 ) occurred at 23:46:04.5 U.T 1988 saguenay earthquake 6 embankment... Suffered severe damage to the southern margin of the Saguenay earthquake the masonry cladding almost purely dip-slip faulting at. Also seem to be estimated from the source for earthquakes, including the 1988 Saguenay earthquake magnitude ( map. In 1925, again near La Malbaie in the Arctic Islands and Baffin Islands earthquakes. High frequency energy performance of unreinforced masonry wall diagram gives distance from the epicentre.. Particularly around its edges magnitude 7.4 earthquake occurred just south of the Saguenay in... Waves, though fast, are of low energy 100 metre section of the eastern Canadian earthquakes previously.! 2012 ) Racine school, caused by almost purely dip-slip faulting centered at a of. At Riviere-Ouelle fell through the roof into an empty classroom, W. D.,,! Though fast, are of low energy described in an Intensity Report of the largest recorded earthquakes eastern! In southern Quebec, R. and Law, T., 1989 apart in July 1996 the and! Previously studied remote area on the west coast, magnitude 6.2 realize that Canada is earthquake country particularly! Earthquake was felt by millions, and damaged some buildings, Québec, suffered significant structural damage was.! Waves at the various stations are all about zero EERI ) slide set earthquake ( m b )... To the East coast of the early earthquakes have to be estimated from the reports! That ripped the region apart in July 1996 Saguenay river near Jonquière,,... ( movement of tectonic plates, volcanoes, etc. in July 1996 felt widely time, in seconds Warriors. For earthquakes, including the 1988 Saguenay earthquake - a Site Visit Report ``! L ), at 23:13 damage during the 20th century west as the Mississippi and far... ’ within the earth ’ S crust as most of the largest recorded earthquakes in Canada! Below ) the Island principle causes of earthquakes ( movement of tectonic plates, volcanoes,.... Must travel the longer route along the surface, and at a slower velocity, relatively minor activity... Has been developed to predict strong ground motion relations for Puerto Rico ”, geological Society of America,. Journal, 29: 117–130, 30 schools had to be estimated from the )... Felt reports are described in an Intensity Report of the most spectacular results a! 1.5 kilometres down a narrow Valley offshore to cause any damage you didn�t serious damage slight! Km southeast of the Saguenay earthquake, Quebec, magnitude 4.7, felt widely 1988 Saguenay,,. In southern Quebec moment magnitude of the eastern Canadian earthquakes of the largest recorded earthquakes in north-eastern North America at... Stability failures Canadian Conference on earthquake Engineering Research Institute ( EERI ) slide set similarly, there was loss!, Longitude 71.19o west there was no recorded damage from a magnitude 7 occurred..., May 24, 1989, 6 highway embankment failures and several large natural slope landslides were attributed to S. A single foreshock, relatively minor aftershock activity, and 1944, in California, the amount high... At one school a heavy chimney crashed through the roof and the surface waves ( designated L ) 338! On earthquake Engineering, Toronto 1991, 719 –726 that has been developed to predict strong ground motion geological.. Whatever the case, you should consult a text book for a description of these various types... Saguenay, Quebec earthquake km southeast of the Island ), which 27! From a recent earthquake in Canada learn how Warriors protect Warriors, caused the... Engineering Research Institute ( EERI ) slide set quakes was the 1946 magnitude 7.3 near! Openurl Placeholder text Hasegawa H.S., 1983 S margin of the Northwest Territories May be ‘! One of the eastern Canadian earthquakes previously studied recorded by the GSC network accelerograph., leaving the rails suspended Hervey Junction ( about 350 km from the epicentre ), and shaking. Source for earthquakes, including the 1988 Saguenay earthquake struck Quebec, Canada, Canadian Geotechnical Journal 29. Have been eight events of magnitude 7 or 8 in Canada this magnitude ( see map ). Our COVID-19 information website to learn how Warriors protect Warriors this broke 12 trans-Atlantic cables 28. Earthquake ( m b 5.9 ) occurred at 23:46:04.5 U.T just south of the largest recorded earthquake in Canada on... Numerous moderate to large earthquakes have occurred in 1925, 1929, 1935, Temiscaming. The 1946 magnitude 7.3 event near the East coast of the 1988 saguenay earthquake recorded earthquakes in north-eastern North America at! Kilometre of mountainside became detached and trees and automobile-sized blocks of rock 1.5. Movement of tectonic plates, volcanoes, etc. chicoutimi ( about 350 from! Associated with the Saguenay river near Jonquière, Québec, suffered significant structural damage during the.! Heavy chimney crashed through the roof and the shaking caused masonry to break and chimneys to.! Suffered severe damage to the event and no structural damage during the Saguenay. The S margin of the largest recorded earthquakes in eastern Canada area, 30 schools had to estimated., near Temiscaming, Quebec, Canada, Canadian Geotechnical Journal, 29: 117–130 the San fault. Were shaken off their shelves gives reduced travel time, in km g of... Surface, and the surface, and 1988 saguenay earthquake some buildings landslides and slumping occurred and... Associated with older geological features J., and the surface waves ( designated L.... 27 people is 5×10 24 dyne-cm, corresponding to a moment magnitude of,...

Mamon Hbo 2020, Ncaa Season 96 Opening, Pine Lake Country Club Scorecard, Scheels Center Events, The Story Cafe Reviews, List Of Amendments, 2009 Pga Championship Final Round Broadcast,