M4.6 earthquake - 216 km WSW of Adak, Alaska
2430 d ago · 21 Feb 2020, 10:24 UTC 216 km WSW of Adak, Alaska
What happened
A magnitude 4.6 earthquake struck 216 km WSW of Adak, Alaska on 21 Feb 2020, 10:24 UTC at a depth of 10 km.
Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.
Timeline
First reported by USGS
17 Oct 2026, 09:43 UTC
Community Live
Did you feel it?
Nearby in the last 30 days
- 4.0
M4.0 earthquake - 92 km SSE of Adak, Alaska
12 km deep
Moderate - 3.9
M3.9 earthquake - 107 km SSE of Adak, Alaska
11 km deep
Light - 0.7
M0.7 earthquake - 84 km W of Adak, Alaska
2 km deep
Minor - 1.5
M1.5 earthquake - 20 km W of Adak, Alaska
-0 km deep
Minor - 1.1
M1.1 earthquake - 44 km NE of Adak, Alaska
3 km deep
Minor - -0.1
M-0.1 earthquake - 39 km ENE of Adak, Alaska
2 km deep
Minor - 0.5
M0.5 earthquake - 41 km NE of Adak, Alaska
5 km deep
Minor - 2.6
M2.6 earthquake - 155 km W of Adak, Alaska
94 km deep
Light - 2.6
M2.6 earthquake - 190 km WSW of Adak, Alaska
45 km deep
Light - 2.9
M2.9 earthquake - 242 km WSW of Adak, Alaska
6 km deep
Light