| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | 50.848, 178.426 |
| UTC time | 1977-09-04 16:44:25.200 |
Earthquake details
Sunday, September 4, 1977 Earthquake
The earthquake hit Alaska on Sunday, September 4, 1977 at 16:44 UTC with a magnitude of 5.3. The closest known location in the current dataset is Petropavlovsk-Kamchatskiy (Alaska - AL), about 1375.8 km away. The epicenter is located at longitude 178.426 and latitude 50.848.
| Location | Rat Islands, Aleutian Islands |
| Country | Alaska (AL) |
| Severity | Strong |
Earthquake map 1977-09-04
Closest countries
The 12 closest cities near the epicenter.
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Rat Islands, Aleutian Islands
Alaska · 2026-08-20 02:45 UTC
23.5 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-13 19:01 UTC
63.5 km
M 4.6
Rat Islands, Aleutian Islands
Alaska · 2026-05-27 05:57 UTC
31.1 km
M 4.7
295 km WSW of Adak
Alaska · 2026-04-20 09:54 UTC
66.5 km
M 4.5
Rat Islands, Aleutian Islands
Alaska · 2026-04-04 09:39 UTC
31.3 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-02-04 06:06 UTC
77.8 km
M 4.0
294 km WSW of Adak
Alaska · 2026-01-29 12:56 UTC
76.3 km
M 4.2
Rat Islands, Aleutian Islands
Alaska · 2026-01-26 06:57 UTC
85.9 km
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