M3.1 earthquake 18 km NW of Willow, Alaska
A magnitude 3.1 earthquake struck 18 km NW of Willow, Alaska on Sat, Jun 23, 1979, 1:46 AM GMT-9 (10:46 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M3.2 26 km WNW 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
- 3.1 (mb), minor
- Local time
- UTC
- 1979-06-23 10:46:58 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 61.869° N, 150.280° 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
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.226 km WNW of Willow, Alaska · 17254 days ago · 33 km deep · 13 km away
- 3.745 km S of Skwentna, Alaska · 17254 days ago · 113 km deep · 68 km away
- 3.027 km E of Skwentna, Alaska · 17249 days ago · 22 km deep · 34 km away
- 3.021 km SSW of Petersville, Alaska · 17238 days ago · 33 km deep · 61 km away
- 3.033 km SW of Petersville, Alaska · 17218 days ago · 33 km deep · 69 km away
- 4.117 km ENE of Chase, Alaska · 17216 days ago · 99 km deep · 74 km away
- 4.041 km SW of Skwentna, Alaska · 17212 days ago · 117 km deep · 89 km away
- 4.324 km E of Skwentna, Alaska · 17211 days ago · 81 km deep · 36 km away
- 3.125 km W of Petersville, Alaska · 17206 days ago · 33 km deep · 85 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00011gd. Read Tue, Sep 22, 2026, 5:28 PM UTC.