4.9MAG
LIGHT EARTHQUAKE
110 km E of Georgetown, Saint Helena
USGS
A magnitude 4.9 earthquake struck 110 km E of Georgetown, Saint Helena on 11 Nov 2026, 22:03 UTC. The hypocentre was 10 km below the surface — shallow by seismological convention.
- Depth
- 10 km
- Latitude
- 7.96°S
- Time
- 22:03 UTC
- Magnitude
- M4.9
shallow
13.41°W longitude
11 Nov 2026
mb
EPICENTRE
View the official report↗
MAGNITUDE 4.9
Noticeable shaking of indoor objects. Damage is unlikely.
The scale is logarithmic: this released about 710 times the energy of a magnitude 3.0, roughly the energy of 338 tonnes of TNT.
10 KM DEEP
Shallow earthquakes release their energy close to the surface, so they are felt more strongly, and do more damage, than deeper earthquakes of the same magnitude.
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