M3.1 earthquake 24 km N of Willow, Alaska
A magnitude 3.1 earthquake struck 24 km N of Willow, Alaska on Fri, Aug 19, 1977, 12:08 AM GMT-9 (09:08 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 17 km E of Susitna North, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ml), minor
- Local time
- UTC
- 1977-08-19 09:08:05 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 61.962° N, 150.108° 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
- 15
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 1 in the 30 days before it.
After
- 4.617 km E of Susitna North, Alaska · 17910 days ago · 59 km deep · 39 km away
- 3.626 km ENE of Talkeetna, Alaska · 17909 days ago · 33 km deep · 53 km away
- 3.828 km SW of Skwentna, Alaska · 17883 days ago · 108 km deep · 86 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000q68. Read Tue, Sep 22, 2026, 7:07 AM UTC.