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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. This earthquake, referred to as the Saguenay earthquake, was located in a relatively aseismic region.
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.
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The November 25, 1988, magnitude 5.9 (Mw) Saguenay earthquake was the largest event to take place in Eastern North America since the M 6.2 Temiscaming earthquake of 1935. Its epicenter was located in the Laurentide Fauna Reserve of Quebec, about 35 km to the south of the city of Chicoutimi (now a
The Saguenay earthquake of 25 November 1988 occurred close to the southern margin of the Saguenay Graben in southern Quebec. It was caused by almost purely dip-slip faulting centered at a depth of 26 km with a P axis oriented northeast-southwest.
- Paul G. Somerville, James P. McLaren, Chandan K. Saikia, Donald V. Helmberger
- 1990
"The November 25, 1988, moment magnitude 5.9 (Mw) Saguenay earthquake is one of the largest eastern Canadian earthquakes of the 20th century. It was preceded by a magnitude (MN) 4.7 foreshock and followed by very few aftershocks considering the magnitude of the main shock.
- Geological Survey of Canada, issuing body.
- Series-View Master Record
- [English]
- Open file, 2816-7155 ; 8803
Feb 1, 1991 · The November 25, 1988, Saguenay earthquake (m b 5.9) occurred at 23:46:04.5 U.T. outside previously known seismic source-zones in eastern Canada. 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 ...
The November 25, 1988 Saguenay, Québec earthquake (mb 5.9) was preceded by a foreshock 62 hours earlier (mb 4.4) and followed by over 50.