Strong mag. 6.0 earthquake - South Pacific Ocean, 178 km south of Apia, Tuamasaga, Samoa, on Monday, 19 October 2009 at 22:49 (GMT)

Strong mag. 6.0 earthquake - South Pacific Ocean, 178 km south of Apia, Tuamasaga, Samoa, on Monday, 19 October 2009 at 22:49 (GMT)

Strong magnitude 6.0 earthquake at 18 km depth

Date & time: 19 Oct 2009 22:49:38 UTC
Magnitude: 6
Profondeur: 18.0 km
Epicenter latitude / longitude: 15.36°S / 172.264°W (South Pacific Ocean, Samoa)
Volcan le plus près: Curacoa (153 km / 95 mi)
Nearby towns and cities:
172 km S de Mulifanua (pop: 4,510) --> Voir les séismes à proximité!
176 km S de Fasito‘outa (pop: 2,100) --> Voir les séismes à proximité!
178 km SSO de Apia (pop: 40,400) --> Voir les séismes à proximité!
179 km S de Vailoa (pop: 769) --> Voir les séismes à proximité!
180 km SSO de Lufilufi (pop: 1,070) --> Voir les séismes à proximité!
201 km SO de Tāfuna (Tualauta, Samoa américaines) (pop: 11,000) --> Voir les séismes à proximité!
207 km SO de Pago Pago (Ma'Oputasi, Samoa américaines) (pop: 11,500) --> Voir les séismes à proximité!
209 km SSE de Asau (pop: 6,640) --> Voir les séismes à proximité!
213 km S de Safotu (pop: 1,210) --> Voir les séismes à proximité!
409 km NNE de Neiafu (Tonga) (pop: 4,320) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) 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.
MagnitudeProfondeurLocationSource
M 6.018 kmSamoa Islands regionUSGS
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.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 6.0 quake South Pacific Ocean, 178 km south of Apia, Tuamasaga, Samoa, 19 October 2009 22:49 GMT

More info
Recorded aftershocks, latest first (2 quakes):
  • 22 Jan 2010 10:34 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 04 Nov 2009 18:35 UTC
    | M 5.2 |
    10 km (6.2 mi) depth
    |
    58 km (36 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Strong mag. 6.0 earthquake - South Pacific Ocean, 178 km south of Apia, Tuamasaga, Samoa, on Monday, 19 October 2009 at 22:49 (GMT)
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