M5.4 earthquake 104 km E of Georgetown, Saint Helena

A magnitude 5.4 earthquake struck 104 km E of Georgetown, Saint Helena on Mon, Jun 3, 1985, 7:11 PM GMT-1 (20:11 UTC), 10 km (6 mi) below the surface.

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The earthquake

Magnitude: 5.4 (mw), moderate
Local time: Mon, Jun 3, 1985, 7:11 PM GMT-1
UTC: 1985-06-03 20:11:56 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 7.803° S, 13.473° 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

Nearby

Within 100 km, magnitude 2.4 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 usp0002fg9 (also filed as gcmtb060385d, gcmt19850603201156, iscgem521825). Read Mon, Sep 28, 2026, 9:52 PM UTC.