1933 Baffin Bay earthquake
|UTC time||1933-11-20 23:21:35|
|Local date||November 20, 1933|
|Local time||18:21:35 Eastern Time Zone|
|Magnitude||7.7 Mw |
|Depth||15 km (9 mi) |
|Areas affected||Canada, Greenland|
The main shock epicenter was located in Baffin Bay on the east coast of Baffin Island. Shaking was only felt at the small town of Upernavik, Greenland. The event is the largest recorded earthquake to strike the passive margin of North America and is the largest north of the Arctic Circle. No damage was reported because of its offshore location and the small population of the nearby onshore communities.
The region around northwestern Baffin Bay and northeastern Baffin Island continues to be seismically active. Six magnitude 6 earthquakes have occurred there since 1933. Multiple small earthquakes with magnitudes ~4-5.5 still occur each year.
- ISC (2015), ISC-GEM Global Instrumental Earthquake Catalogue (1900–2009), Version 2.0, International Seismological Centre
- NRC (2013), The 1933 Baffin Bay earthquake, Natural Resources Canada
- "The 1933 Baffin Bay earthquake". Earthquakes Canada. Natural Resources Canada. Retrieved 29 April 2018.
- Bent, A. L. (2002), "The 1933 Ms= 7.3 Baffin Bay earthquake: strike-slip faulting along the northeastern Canadian passive margin" (PDF), Geophysical Journal International, Wiley, 150 (3): 724–736, Bibcode:2002GeoJI.150..724B, doi:10.1046/j.1365-246X.2002.01722.x
- Whipple, F. J. W. (1933), "The Baffin Bay Earthquake" (PDF), Nature, Nature Publishing Group , 132 (3344): 845, Bibcode:1933Natur.132..845., doi:10.1038/132845a0
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