M5.2 earthquake 200 km SW of Colonia, Micronesia
A magnitude 5.2 earthquake struck 200 km SW of Colonia, Micronesia on Tue, Dec 13, 1977, 5:47 PM GMT+9 (08:47 UTC), 44 km (27 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (mb), moderate
- Local time
- UTC
- 1977-12-13 08:47:25 UTC
- Depth
- 44.0 km (27.3 mi), shallow
- Epicenter
- 8.064° N, 137.030° 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.
- Stations used
- 70
Nearby
Within 100 km, magnitude 2.2 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 usp0000s1r (also filed as iscgem689051). Read Tue, Sep 22, 2026, 9:21 PM UTC.