Terremoto forte mag. 5.5 - North Pacific Ocean, 39 km a sud-est da Tigalda , Borough delle Aleutine orientali, Alaska, Stati Uniti, martedì, 11 giugno 1957
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Terremoto forte magnitudine 5.5 at 35 km depth
Data & ora: 11 Jun 1957 04:04:39 UTC
Magnitudine: 5.5
Profondità: 35.0 km
Epicentro latitudine / longitudine: 53.848°N / 164.644°W
(North Pacific Ocean, Alaska, Stati Uniti)Vulcano più vicino: Westdahl (75 km / 47 mi)
Nearby towns and cities:
81 km ESE da Akutan (pop: 1,040) --> Vedi sismi vicini
124 km E da Isola di Unalaska (pop: 4,490) --> Vedi sismi vicini
138 km SO da False Pass (pop: 40) --> Vedi sismi vicini
194 km SO da Cold Bay (pop: 123) --> Vedi sismi vicini
202 km SO da King Cove (pop: 1,010) --> Vedi sismi vicini
297 km ENE da Nikolski (pop: 18) --> Vedi sismi vicini
314 km OSO da Sand Point (pop: 1,060) --> Vedi sismi vicini
325 km SO da Nelson Lagoon (pop: 52) --> Vedi sismi vicini
420 km OSO da Perryville (pop: 113) --> Vedi sismi vicini
460 km SO da Chignik Lake (pop: 73) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) More info
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| Magnitudine | Profondità | Ubicazione | Fonte |
| 5.5 | 35 km | Unimak Island region, Alaska (USA) | USGS |
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