Earthquake details

Sunday, September 4, 1977 Earthquake

The earthquake hit Alaska on Sunday, September 4, 1977 at 18:25 UTC with a magnitude of 5.3. The closest known location in the current dataset is Petropavlovsk-Kamchatskiy (Alaska - AL), about 1321.4 km away. The epicenter is located at longitude 177.786 and latitude 51.198.

Magnitude 5.3
Alert Strong
Depth 41.0 km
Coordinates 51.198, 177.786
UTC time 1977-09-04 18:25:49.800
Location Rat Islands, Aleutian Islands
Country Alaska (AL)
Severity Strong

Earthquake map 1977-09-04

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
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Alaska · 2026-08-20 02:45 UTC
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M 4.1
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Alaska · 2026-07-29 12:45 UTC
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M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-13 19:01 UTC
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M 4.6
Rat Islands, Aleutian Islands
Alaska · 2026-05-27 05:57 UTC
75.7 km
M 4.5
Rat Islands, Aleutian Islands
Alaska · 2026-04-04 09:39 UTC
56.4 km
M 4.9
Rat Islands, Aleutian Islands
Alaska · 2026-02-14 07:10 UTC
99.1 km
M 4.0
Rat Islands, Aleutian Islands
Alaska · 2026-02-05 19:33 UTC
58.3 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-02-04 06:06 UTC
58.7 km

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