Terremoto moderato mag. 5.3 - South Pacific Ocean, 246 km a sud ovest da Apia, Tuamasaga, Samoa, venerdì, 04 agosto 1978

Terremoto moderato mag. 5.3 - South Pacific Ocean, 246 km a sud ovest da Apia, Tuamasaga, Samoa, venerdì, 04 agosto 1978

Terremoto moderato magnitudine 5.3 at 33 km depth

Data & ora: 4 Aug 1978 01:17:02 UTC
Magnitudine: 5.3
Profondità: 33.0 km
Epicentro latitudine / longitudine: 15.669°S / 173.046°W (South Pacific Ocean, Samoa)
Vulcano più vicino: Curacoa (67 km / 42 mi)
Nearby towns and cities:
227 km SSO da Vailoa (pop: 769) --> Vedi sismi vicini
231 km SSO da Mulifanua (pop: 4,510) --> Vedi sismi vicini
243 km S da Asau (pop: 6,640) --> Vedi sismi vicini
245 km SSO da Afega (Malie) (pop: 1,900) --> Vedi sismi vicini
246 km SSO da Apia (pop: 40,400) --> Vedi sismi vicini
253 km SO da Lufilufi (pop: 1,070) --> Vedi sismi vicini
256 km SSO da Safotu (pop: 1,210) --> Vedi sismi vicini
296 km OSO da Pago Pago (Ma'Oputasi, Samoa americane) (pop: 11,500) --> Vedi sismi vicini
429 km SE da Mata-Utu (Hahake, Wallis e Futuna) (pop: 1,200) --> Vedi sismi vicini
502 km NO da Alofi (Niue) (pop: 624) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 tons of TNT) More info
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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.
MagnitudineProfonditàUbicazioneFonte
M 5.333 kmTonga (Samoa)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from 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):
  • 22 Sep 1978 14:32 UTC
    | M 4.7 |
    47 km (29.2 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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