M6.1 earthquake 144 km SSE of Georgetown, Saint Helena
A magnitude 6.1 earthquake struck 144 km SSE of Georgetown, Saint Helena on Mon, Mar 10, 1947, 12:53 AM GMT-1 (01:53 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.1 (mw), strong
- Local time
- UTC
- 1947-03-10 01:53:13 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 9.175° S, 14.021° W
- Region
- Saint Helena
- 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
- ±0.41
- 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 iscgem897778. Read Tue, Sep 22, 2026, 8:02 AM UTC.