Alaska earthquakes

M2.5 earthquake 21 km SSE of Point Possession, Alaska

A magnitude 2.5 earthquake struck 21 km SSE of Point Possession, Alaska on Thu, Apr 8, 2021, 6:17 AM AKDT (14:17 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M4.8 Southern Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-04-08 14:17:53 UTC
Depth
45.4 km (28.2 mi), shallow
Epicenter
60.745° N, 150.543° W
Region
Alaska
Felt reports
4
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.5ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.6ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.033 · 122 stations

Did you feel it?

4 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
119

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 145 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214ib3u3q (also filed as us6000dzzl). Read Fri, Oct 2, 2026, 4:59 AM UTC.