Alaska earthquakes

M6.1 earthquake 39 km SW of Sand Point, Alaska

A magnitude 6.1 earthquake struck 39 km SW of Sand Point, Alaska on Mon, May 17, 1948, 7:48 AM GMT-10 (17:48 UTC), 46 km (29 mi) below the surface.

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The earthquake

Magnitude
6.1 (mw), strong
Local time
UTC
1948-05-17 17:48:40 UTC
Depth
46.4 km (28.8 mi), shallow
Epicenter
55.134° N, 161.015° 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.

Magnitude uncertainty
±0.20
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem897332 (also filed as ushis1625). Read Tue, Sep 22, 2026, 7:22 AM UTC.