| Magnitude | 5.8 |
| Alert | Strong |
| Depth | 35.0 km |
| Coordinates | 51.295, 177.215 |
| UTC time | 1955-10-09 23:13:48.480 |
Earthquake details
Sunday, October 9, 1955 Earthquake
The earthquake hit Alaska on Sunday, October 9, 1955 at 23:13 UTC with a magnitude of 5.8. The closest known location in the current dataset is Petropavlovsk-Kamchatskiy (Alaska - AL), about 1280.2 km away. The epicenter is located at longitude 177.215 and latitude 51.295.
| Location | Rat Islands, Aleutian Islands |
| Country | Alaska (AL) |
| Severity | Strong |
Earthquake map 1955-10-09
Closest countries
The 12 closest cities near the epicenter.
| Petropavlovsk-Kamchatskiy | 1280.2 km |
| Yelizovo | 1296.9 km |
| Magadan | 1887.3 km |
| Anchorage | 2279.8 km |
| Fairbanks | 2503.8 km |
| Nemuro | 2523.9 km |
| Yuzhno-Sakhalinsk | 2533.3 km |
| Korsakov | 2545.0 km |
| Abashiri | 2574.3 km |
| Kholmsk | 2576.9 km |
| Kitami | 2612.8 km |
| Sovetskaya Gavan' | 2619.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-29 12:45 UTC
99.7 km
M 4.1
235 km ESE of Attu Station
Alaska · 2026-07-19 21:36 UTC
95.6 km
M 4.2
231 km ESE of Attu Station
Alaska · 2026-07-16 17:18 UTC
95.2 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-13 19:01 UTC
36.6 km
M 4.5
229 km ESE of Attu Station
Alaska · 2026-06-28 03:18 UTC
99.8 km
M 4.0
241 km ESE of Attu Station
Alaska · 2026-06-25 12:24 UTC
88.3 km
M 4.1
229 km ESE of Attu Station
Alaska · 2026-06-24 11:04 UTC
97.0 km
M 4.0
232 km ESE of Attu Station
Alaska · 2026-06-13 11:16 UTC
95.2 km
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