M5.0 earthquake 175 km E of Kolonia, Micronesia
A magnitude 5.0 earthquake struck 175 km E of Kolonia, Micronesia on Sat, Apr 18, 1981, 2:00 PM GMT+11 (03:00 UTC), 25 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb), moderate
- Local time
- UTC
- 1981-04-18 03:00:25 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 6.906° N, 159.796° E
- Region
- Micronesia
- 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearby
Within 100 km, magnitude 2.0 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 usp0001d75. Read Wed, Sep 23, 2026, 1:57 AM UTC.