M3.7 earthquake 10 km SW of Point Possession, Alaska
A magnitude 3.7 earthquake struck 10 km SW of Point Possession, Alaska on Sat, Sep 17, 1977, 6:42 AM GMT-9 (15:42 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (ml), minor
- Local time
- UTC
- 1977-09-17 15:42:42 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 60.864° N, 150.840° W
- Region
- Alaska
- 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
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000qps. Read Tue, Sep 29, 2026, 1:11 AM UTC.