M3.0 earthquake 12 km WSW of Willow, Alaska
A magnitude 3.0 earthquake struck 12 km WSW of Willow, Alaska on Thu, Aug 18, 1977, 4:14 AM GMT-9 (13:14 UTC), 42 km (26 mi) below the surface.
A larger quake followed: M3.1 24 km N of Willow, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (ml), minor
- Local time
- UTC
- 1977-08-18 13:14:31 UTC
- Depth
- 42.0 km (26.1 mi), shallow
- Epicenter
- 61.708° N, 150.262° 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.
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.124 km N of Willow, Alaska · 17931 days ago · 33 km deep · 29 km away
- 4.617 km E of Susitna North, Alaska · 17910 days ago · 59 km deep · 66 km away
- 3.626 km ENE of Talkeetna, Alaska · 17909 days ago · 33 km deep · 81 km away
- 3.710 km SW of Point Possession, Alaska · 17902 days ago · 33 km deep · 99 km away
- 3.828 km SW of Skwentna, Alaska · 17884 days ago · 108 km deep · 76 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000q5n. Read Tue, Sep 22, 2026, 7:28 AM UTC.