M3.3 earthquake 168 km S of Adak, Alaska
A magnitude 3.3 earthquake struck 168 km S of Adak, Alaska on Tue, Feb 25, 2020, 9:45 AM HAST (19:45 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ml), minor
- Local time
- UTC
- 2020-02-25 19:45:54 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 50.369° N, 176.883° 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 4.5 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 234°, poorly surrounded by stations
- Stations used
- 45
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.5105 km SSW of Adak, Alaska · 2402 days ago · 10 km deep · 64 km away
- 2.5172 km SSW of Adak, Alaska · 2397 days ago · 28 km deep · 54 km away
- 1.9184 km SSE of Adak, Alaska · 2389 days ago · 14 km deep · 92 km away
- 2.3Andreanof Islands, Aleutian Islands, Alaska · 2375 days ago · 25 km deep · 30 km away
- 1.8134 km SW of Adak, Alaska · 2373 days ago · 26 km deep · 94 km away
- 2.896 km SSE of Adak, Alaska · 2357 days ago · 10 km deep · 85 km away
- 1.9144 km S of Adak, Alaska · 2357 days ago · 23 km deep · 52 km away
- 1.784 km S of Adak, Alaska · 2356 days ago · 26 km deep · 83 km away
- 2.7151 km S of Adak, Alaska · 2354 days ago · 10 km deep · 18 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60008eqd (also filed as ak0202kxoj48). Read Wed, Sep 30, 2026, 8:33 PM UTC.