Alaska earthquakes

M3.2 earthquake 13 km S of Point Possession, Alaska

A magnitude 3.2 earthquake struck 13 km S of Point Possession, Alaska on Mon, Apr 16, 1973, 10:47 AM GMT-10 (20:47 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M3.4 Kenai Peninsula, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
3.2 (ml), minor
Local time
UTC
1973-04-16 20:47:41 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
60.800° N, 150.739° 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.

Depth from
OPERATOR_ASSIGNED
Stations used
14

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 2 in the 30 days before it.

After

  1. 3.4Kenai Peninsula, Alaska · 19503 days ago · 33 km deep · 27 km away
  2. 4.970 km WNW of Nikiski, Alaska · 19482 days ago · 118 km deep · 94 km away

Before

  1. 3.512 km ENE of Sterling, Alaska · 19519 days ago · 57 km deep · 26 km away
  2. 3.88 km ESE of Elmendorf Air Force Base, Alaska · 19527 days ago · 39 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00001e6. Read Tue, Sep 22, 2026, 5:17 AM UTC.