M2.2 earthquake 178 km SSE of Old Harbor, Alaska
A magnitude 2.2 earthquake struck 178 km SSE of Old Harbor, Alaska on Tue, Aug 24, 2021, 1:57 PM AKDT (21:57 UTC), 27 km (17 mi) below the surface.
A larger quake followed: M3.3 105 km SE of Akhiok, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (ml), micro
- Local time
- UTC
- 2021-08-24 21:57:15 UTC
- Depth
- 27.3 km (17.0 mi), shallow
- Epicenter
- 55.702° N, 152.271° 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
- 22
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.0154 km S of Akhiok, Alaska · 1858 days ago · 27 km deep · 95 km away
- 3.3105 km SE of Akhiok, Alaska · 1848 days ago · 25 km deep · 77 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021aunobwu. Read Sun, Sep 27, 2026, 2:33 AM UTC.