M1.9 earthquake 161 km SSE of Nikolski, Alaska
A magnitude 1.9 earthquake struck 161 km SSE of Nikolski, Alaska on Sun, Aug 29, 2021, 9:12 AM AKDT (17:12 UTC), 22 km (13 mi) below the surface.
A larger quake followed: M2.5 107 km ESE 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
- 1.9 (ml), micro
- Local time
- UTC
- 2021-08-29 17:12:27 UTC
- Depth
- 21.5 km (13.4 mi), shallow
- Epicenter
- 51.647° N, 167.789° 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.
- 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: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.4159 km S of Nikolski, Alaska · 1852 days ago · 27 km deep · 61 km away
- 2.3177 km SE of Nikolski, Alaska · 1852 days ago · 26 km deep · 41 km away
- 2.071 km SE of Nikolski, Alaska · 1848 days ago · 25 km deep · 91 km away
- 2.380 km SE of Nikolski, Alaska · 1838 days ago · 25 km deep · 89 km away
- 2.191 km SE of Nikolski, Alaska · 1822 days ago · 26 km deep · 76 km away
- 2.5107 km ESE of Nikolski, Alaska · 1821 days ago · 23 km deep · 94 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021b2upmzc. Read Wed, Sep 30, 2026, 12:48 AM UTC.