M2.6 earthquake 140 km SSE of Nikolski, Alaska
A magnitude 2.6 earthquake struck 140 km SSE of Nikolski, Alaska on Sat, May 29, 2021, 3:11 PM AKDT (23:11 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.9 72 km S of Nikolski, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.6 (ml), micro
- Local time
- UTC
- 2021-05-29 23:11:16 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 51.730° N, 168.284° 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 4.4 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 290°, poorly surrounded by stations
- Stations used
- 16
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 5 in the 30 days before it.
After
- 3.3153 km SSW of Nikolski, Alaska · 1937 days ago · 10 km deep · 81 km away
- 3.556 km SSE of Nikolski, Alaska · 1933 days ago · 35 km deep · 85 km away
- 3.972 km S of Nikolski, Alaska · 1933 days ago · 38 km deep · 69 km away
- 2.154 km SSE of Nikolski, Alaska · 1919 days ago · 51 km deep · 87 km away
- 2.094 km SSW of Nikolski, Alaska · 1918 days ago · 49 km deep · 80 km away
- 3.8123 km SSW of Nikolski, Alaska · 1893 days ago · 10 km deep · 80 km away
- 2.6185 km SE of Nikolski, Alaska · 1892 days ago · 21 km deep · 90 km away
- 2.1102 km SSW of Nikolski, Alaska · 1891 days ago · 36 km deep · 84 km away
- 2.384 km SSE of Nikolski, Alaska · 1890 days ago · 38 km deep · 56 km away
Before
- 3.8100 km SSW of Nikolski, Alaska · 1949 days ago · 34 km deep · 93 km away
- 2.955 km SE of Nikolski, Alaska · 1963 days ago · 35 km deep · 96 km away
- 2.9106 km S of Nikolski, Alaska · 1965 days ago · 35 km deep · 36 km away
- 2.9140 km SSE of Nikolski, Alaska · 1965 days ago · 10 km deep · 35 km away
- 3.4191 km SE of Nikolski, Alaska · 1976 days ago · 11 km deep · 100 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000edy9 (also filed as ak0216usu2r2). Read Tue, Sep 29, 2026, 12:09 AM UTC.