November 20, 1933 Earthquake: Baffin Bay, Canada
A magnitude 7.7 earthquake struck Baffin Bay, Canada on November 20, 1933 at 23:21:35 UTC, 15 km below the surface.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- November 20, 1933
- Time
- 23:21:35 UTC
- Place
- Baffin Bay, Canada
- Magnitude
- 7.7 (Mw)
- Focal depth
- 15 km (9 mi)
- Tsunami
- None recorded
- Epicenter
- 73.122° N, 70.014° W
- Country
- Canada
The toll
The record gives no deaths, injuries or damage for this earthquake.
What the record says
NCEI’s account, from the sources it cites.
1933, November 20 23:21:35.50 UTC. 73.122 N, 70.014 W, depth 15 km, magnitude 7.7 Mw. (reference #10476)
1933, November 20 23:21:35.3 UTC. 72.996 N, 70.116 W, depth 35 km, magnitude 7.4 Ms, GSX, 7.1 Mw P&S, 7.2 Ms ABE1. (reference #9910)
More
Significant earthquakes of 1933The 1900sEvery quake the USGS located in 1933Recent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 10236.