1933 Baffin Bay earthquake
||November 20, 1933
||23:21:35 UTC 
||7.7 Mw 
||15 km (9 mi) 
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The 1933 Baffin Bay earthquake struck Greenland and the Northwest Territories (now Nunavut), Canada with a moment magnitude of 7.7 at 18:21:35 Eastern Time Zone on November 20.
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 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.
- 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, doi:10.1046/j.1365-246X.2002.01722.x<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- Whipple, F. J. W. (1933), "The Baffin Bay Earthquake" (PDF), Nature, Nature Publishing Group , 132, doi:10.1038/132845a0<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>