M7.1 earthquake northern Mid-Atlantic Ridge
A magnitude 7.1 earthquake struck in the northern Mid-Atlantic Ridge on Tue, Oct 13, 1925, 2:40 PM GMT-3 (17:40 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
- 7.1 (mw), major
- Local time
- UTC
- 1925-10-13 17:40:38 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 10.702° N, 42.279° 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
- ±0.40
- 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 iscgem910710. Read Tue, Sep 22, 2026, 9:18 AM UTC.