| Magnitude | 6.4 |
| Alert | Severe |
| Depth | 31.0 km |
| Coordinates | 51.096, 178.265 |
| UTC time | 1977-09-04 17:10:30.600 |
Earthquake details
Sunday, September 4, 1977 Earthquake
The earthquake hit Alaska on Sunday, September 4, 1977 at 17:10 UTC with a magnitude of 6.4. The closest known location in the current dataset is Petropavlovsk-Kamchatskiy (Alaska - AL), about 1356.7 km away. The epicenter is located at longitude 178.265 and latitude 51.096.
| Location | Rat Islands, Aleutian Islands |
| Country | Alaska (AL) |
| Severity | Severe |
Earthquake map 1977-09-04
Closest countries
The 12 closest cities near the epicenter.
| Petropavlovsk-Kamchatskiy | 1356.7 km |
| Yelizovo | 1373.5 km |
| Magadan | 1957.9 km |
| Anchorage | 2240.2 km |
| Fairbanks | 2474.5 km |
| Nemuro | 2593.7 km |
| Yuzhno-Sakhalinsk | 2607.7 km |
| Korsakov | 2619.1 km |
| Abashiri | 2645.6 km |
| Kholmsk | 2651.5 km |
| Kitami | 2684.0 km |
| Sovetskaya Gavan' | 2695.4 km |
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
35.3 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-29 12:45 UTC
87.6 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-13 19:01 UTC
39.9 km
M 4.6
Rat Islands, Aleutian Islands
Alaska · 2026-05-27 05:57 UTC
40.4 km
M 4.7
295 km WSW of Adak
Alaska · 2026-04-20 09:54 UTC
73.2 km
M 4.5
Rat Islands, Aleutian Islands
Alaska · 2026-04-04 09:39 UTC
22.2 km
M 4.0
Rat Islands, Aleutian Islands
Alaska · 2026-02-05 19:33 UTC
88.5 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-02-04 06:06 UTC
51.4 km
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