M4.7 earthquake 263 km ENE of Georgetown, Saint Helena
A magnitude 4.7 earthquake struck 263 km ENE of Georgetown, Saint Helena on Sat, Feb 10, 1973, 8:58 PM GMT-1 (21:58 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1973-02-10 21:58:21 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 6.862° S, 12.274° 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 9
Nearby
Within 100 km, magnitude 1.7 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todaySaint Helena earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00000g6. Read Tue, Sep 22, 2026, 8:51 PM UTC.