M5.3 earthquake 171 km N of Fais, Micronesia
A magnitude 5.3 earthquake struck 171 km N of Fais, Micronesia on Wed, Aug 21, 1974, 3:31 AM GMT+9 (18:31 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M5.7 259 km NNE 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
- 5.3 (mb), moderate
- Local time
- UTC
- 1974-08-20 18:31:15 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 11.308° N, 140.672° 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
- 48
Nearby
Within 100 km, magnitude 2.3 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayMicronesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00007q3 (also filed as iscgemsup738996). Read Wed, Sep 23, 2026, 12:51 AM UTC.