M2.1 earthquake 184 km SSE of Unalaska, Alaska
A magnitude 2.1 earthquake struck 184 km SSE of Unalaska, Alaska on Sun, Mar 21, 2021, 6:28 PM AKDT (02:28 UTC), 12 km (8 mi) below the surface.
A larger quake followed: M3.0 219 km SSE of Unalaska, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (ml), micro
- Local time
- UTC
- 2021-03-22 02:28:09 UTC
- Depth
- 12.2 km (7.6 mi), shallow
- Epicenter
- 52.446° N, 165.123° 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
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 5 in the 30 days before it.
After
- 3.0219 km SSE of Unalaska, Alaska · 2014 days ago · 10 km deep · 36 km away
- 2.2113 km SSE of Akutan, Alaska · 1985 days ago · 25 km deep · 85 km away
- 2.2154 km SE of Akutan, Alaska · 1982 days ago · 5 km deep · 81 km away
- 1.9141 km SE of Akutan, Alaska · 1982 days ago · 15 km deep · 92 km away
- 2.8133 km SE of Akutan, Alaska · 1974 days ago · 10 km deep · 86 km away
Before
- 2.8south of Alaska · 2020 days ago · 10 km deep · 54 km away
- 2.7197 km SSE of Akutan, Alaska · 2021 days ago · 10 km deep · 34 km away
- 3.5206 km ESE of Nikolski, Alaska · 2039 days ago · 10 km deep · 96 km away
- 2.8140 km S of Unalaska, Alaska · 2042 days ago · 10 km deep · 99 km away
- 4.0186 km SSE of Unalaska, Alaska · 2043 days ago · 10 km deep · 52 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0213pzvzzl. Read Mon, Sep 28, 2026, 10:51 AM UTC.