M3.1 earthquake 251 km SSE of False Pass, Alaska
A magnitude 3.1 earthquake struck 251 km SSE of False Pass, Alaska on Wed, Mar 11, 2020, 5:30 AM AKDT (13:30 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.6 214 km SSE of King Cove, 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
- 2020-03-11 13:30:02 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 52.713° N, 162.175° 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.
- Location uncertainty
- About 7.5 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 235°, poorly surrounded by stations
- Stations used
- 42
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.7200 km SSE of False Pass, Alaska · 2374 days ago · 10 km deep · 52 km away
- 2.3238 km SSE of King Cove, Alaska · 2364 days ago · 7 km deep · 81 km away
- 3.6214 km SSE of King Cove, Alaska · 2361 days ago · 10 km deep · 100 km away
- 2.9242 km S of King Cove, Alaska · 2360 days ago · 10 km deep · 40 km away
- 2.7218 km SE of Akutan, Alaska · 2355 days ago · 10 km deep · 82 km away
- 2.7209 km SSE of King Cove, Alaska · 2351 days ago · 21 km deep · 96 km away
- 2.1259 km SE of Akutan, Alaska · 2347 days ago · 10 km deep · 84 km away
- 2.6152 km SSE of False Pass, Alaska · 2341 days ago · 10 km deep · 99 km away
- 2.3254 km S of False Pass, Alaska · 2338 days ago · 10 km deep · 49 km away
- 3.2220 km SE of Akutan, Alaska · 2335 days ago · 35 km deep · 95 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70008i1d (also filed as ak02039n2q0p). Read Tue, Sep 29, 2026, 12:58 PM UTC.