Micronesia earthquakes

M5.0 earthquake 146 km NNW of Fais, Micronesia

A magnitude 5.0 earthquake struck 146 km NNW of Fais, Micronesia on Sun, Aug 11, 1985, 8:20 AM GMT+9 (23:20 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.1 157 km NNW of Fais, Micronesia. This one was a foreshock.

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The earthquake

Magnitude
5.0 (mb), moderate
Local time
UTC
1985-08-10 23:20:03 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
11.051° N, 140.178° E
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 2.0 and up: 10 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 6.1157 km NNW of Fais, Micronesia · 15024 days ago · 24 km deep · 12 km away
  2. 5.2156 km N of Fais, Micronesia · 15024 days ago · 33 km deep · 20 km away
  3. 5.2150 km N of Fais, Micronesia · 15022 days ago · 33 km deep · 22 km away
  4. 4.3189 km NNW of Fais, Micronesia · 15020 days ago · 33 km deep · 48 km away
  5. 4.8157 km N of Fais, Micronesia · 15019 days ago · 63 km deep · 19 km away
  6. 5.0145 km NW of Fais, Micronesia · 14993 days ago · 33 km deep · 91 km away
  7. 5.0152 km N of Fais, Micronesia · 14980 days ago · 33 km deep · 33 km away
  8. 4.5162 km N of Fais, Micronesia · 14976 days ago · 33 km deep · 35 km away
  9. 4.4115 km N of Fais, Micronesia · 14974 days ago · 33 km deep · 54 km away
  10. 4.9178 km NNW of Fais, Micronesia · 14974 days ago · 33 km deep · 34 km away

Before

  1. 4.5137 km N of Fais, Micronesia · 15025 days ago · 33 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002hkc. Read Mon, Sep 28, 2026, 4:13 PM UTC.