Terremoto molto forte magnitudine 6.1 - South Pacific Ocean, 71 km a est da Niuafo‘ou , Vava‘u, Tonga, lunedì, 13 febbraio 1961
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Terremoto molto forte magnitudine 6.1 at 25 km depth
Magnitudine: 6.1
Profondità: 25.0 km
Epicentro latitudine / longitudine: 15.432°S / 174.996°W
(South Pacific Ocean, Tonga)Vulcano più vicino: Niuafo'ou (70 km / 43 mi)
Nearby towns and cities:
141 km ONO da Hihifo (pop: 815) --> Vedi sismi vicini
271 km SSE da Mata-Utu (Hahake, Wallis e Futuna) (pop: 1,200) --> Vedi sismi vicini
331 km SO da Asau (Samoa) (pop: 6,640) --> Vedi sismi vicini
356 km SO da Safotu (Samoa) (pop: 1,210) --> Vedi sismi vicini
365 km OSO da Mulifanua (Samoa) (pop: 4,510) --> Vedi sismi vicini
374 km NNO da Neiafu (pop: 4,320) --> Vedi sismi vicini
375 km OSO da Fasito‘outa (Samoa) (pop: 2,100) --> Vedi sismi vicini
390 km OSO da Apia (Samoa) (pop: 40,400) --> Vedi sismi vicini
405 km OSO da Lufilufi (Samoa) (pop: 1,070) --> Vedi sismi vicini
635 km N da Nuku'alofa (pop: 22,400) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
| Magnitudine | Profondità | Ubicazione | Fonte |
| M 6.1 | 25 km | Tonga | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks
More info
Recorded aftershocks, latest first (1 quakes):- 25 Feb 1961 15:02 UTC| M 5.6 |35 km (21.7 mi) depth|59 km (37 mi) distance| USGS | Details
Earlier earthquakes in the same area
- South Pacific Ocean, 71 km east of Niuafo‘ou Island, Vava‘u, Tonga, on Monday, 13 February 1961 at 06:45 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
