M6.4 earthquake central Mid-Atlantic Ridge
A magnitude 6.4 earthquake struck in the central Mid-Atlantic Ridge on Fri, Nov 12, 1920, 3:42 AM GMT-2 (05:42 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (mw), strong
- Local time
- UTC
- 1920-11-12 05:42:02 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 0.701° N, 28.113° W
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem912660. Read Tue, Sep 22, 2026, 3:13 PM UTC.