M3.1 earthquake 17 km WSW of Anchorage, Alaska
A magnitude 3.1 earthquake struck 17 km WSW of Anchorage, Alaska on Sun, Sep 22, 1985, 11:07 AM AKDT (19:07 UTC), 42 km (26 mi) below the surface.
A larger quake followed: M3.7 24 km SE of Skwentna, 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
- 1985-09-22 19:07:04 UTC
- Depth
- 42.1 km (26.2 mi), shallow
- Epicenter
- 61.164° N, 150.214° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.724 km SE of Skwentna, Alaska · 14948 days ago · 8 km deep · 87 km away
- 2.96 km SSE of Houston, Alaska · 14948 days ago · 40 km deep · 52 km away
- 4.514 km W of Salamatof, Alaska · 14923 days ago · 79 km deep · 97 km away
- 4.316 km WSW of Salamatof, Alaska · 14923 days ago · 80 km deep · 100 km away
- 3.68 km S of Willow, Alaska · 14922 days ago · 7 km deep · 57 km away
- 3.51 km N of Knik, Alaska · 14916 days ago · 40 km deep · 43 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002k0j. Read Tue, Sep 22, 2026, 3:11 PM UTC.