M4.3 earthquake 189 km NNW of Fais, Micronesia
A magnitude 4.3 earthquake struck 189 km NNW of Fais, Micronesia on Thu, Aug 15, 1985, 12:32 AM GMT+9 (15:32 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 157 km N of Fais, Micronesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1985-08-14 15:32:58 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 11.347° N, 139.857° 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
- OPERATOR_ASSIGNED
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.8157 km N of Fais, Micronesia · 15014 days ago · 63 km deep · 52 km away
- 5.0145 km NW of Fais, Micronesia · 14988 days ago · 33 km deep · 93 km away
- 5.0152 km N of Fais, Micronesia · 14974 days ago · 33 km deep · 70 km away
- 4.5162 km N of Fais, Micronesia · 14971 days ago · 33 km deep · 65 km away
- 4.9178 km NNW of Fais, Micronesia · 14969 days ago · 33 km deep · 14 km away
Before
- 5.2150 km N of Fais, Micronesia · 15017 days ago · 33 km deep · 62 km away
- 5.2156 km N of Fais, Micronesia · 15018 days ago · 33 km deep · 54 km away
- 6.1157 km NNW of Fais, Micronesia · 15018 days ago · 24 km deep · 45 km away
- 5.0146 km NNW of Fais, Micronesia · 15018 days ago · 33 km deep · 48 km away
- 4.5137 km N of Fais, Micronesia · 15019 days ago · 33 km deep · 69 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002hqx. Read Wed, Sep 23, 2026, 4:31 AM UTC.