M2.7 earthquake 17 km WNW of Nelson Lagoon, Alaska
A magnitude 2.7 earthquake struck 17 km WNW of Nelson Lagoon, Alaska on Tue, Apr 13, 2021, 6:40 AM AKDT (14:40 UTC), 204 km (127 mi) below the surface.
A larger quake followed: M2.8 53 km SW of Nelson Lagoon, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.7 (ml), micro
- Local time
- UTC
- 2021-04-13 14:40:30 UTC
- Depth
- 204.1 km (126.8 mi), intermediate-depth
- Epicenter
- 56.086° N, 161.444° 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 12.3 km horizontally, 8.9 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 211°, poorly surrounded by stations
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 7 in the 30 days before it.
After
- 1.928 km N of Sand Point, Alaska · 1987 days ago · 81 km deep · 81 km away
- 2.161 km ENE of King Cove, Alaska · 1985 days ago · 92 km deep · 85 km away
- 2.853 km SW of Nelson Lagoon, Alaska · 1977 days ago · 168 km deep · 55 km away
- 3.049 km NE of King Cove, Alaska · 1973 days ago · 119 km deep · 80 km away
Before
- 1.737 km WNW of Sand Point, Alaska · 1993 days ago · 86 km deep · 71 km away
- 2.235 km ENE of King Cove, Alaska · 2008 days ago · 116 km deep · 98 km away
- 1.843 km ESE of Nelson Lagoon, Alaska · 2008 days ago · 26 km deep · 61 km away
- 2.515 km NW of Nelson Lagoon, Alaska · 2008 days ago · 194 km deep · 3 km away
- 1.838 km NNE of King Cove, Alaska · 2012 days ago · 119 km deep · 88 km away
- 2.063 km SSW of Nelson Lagoon, Alaska · 2016 days ago · 154 km deep · 68 km away
- 2.833 km ESE of Nelson Lagoon, Alaska · 2019 days ago · 21 km deep · 50 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e17p (also filed as ak0214qkxgz4). Read Thu, Sep 24, 2026, 3:48 AM UTC.