Strong mag. 5.0 earthquake - South Pacific Ocean, 232 km southwest of Apia, Tuamasaga, Samoa, on Tuesday, 23 Feb 2021 2:24 am (GMT +13) -

Strong mag. 5.0 earthquake - South Pacific Ocean, 232 km southwest of Apia, Tuamasaga, Samoa, on Tuesday, 23 Feb 2021 2:24 am (GMT +13)

Tremblement de terre fort magnitude 5.0 at 10 km depth

22 Feb 13:45 UTC: Premier à signaler: GeoAu après 21 minutes.
22 Feb 13:49: Profondeur recalculée de 0.0 à 10.0 km (de 0 à 6.2 mi). Emplacement de l'épicentre corrigé de 17 km (10.7 mi) au SO.
22 Feb 14:17: Emplacement de l'épicentre corrigé de 7.7 km (4.8 mi) au ENE.
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Date & time: 22 Feb 2021 13:24:15 UTC -
Local time at epicenter: mardi, 23 févr. 2021 02:24 (GMT +13)
Magnitude: 5
Profondeur: 10.0 km
Epicenter latitude / longitude: 15.166°S / 173.427°W (South Pacific Ocean, Samoa)
Volcan le plus près: West Mata (29 km / 18 mi)
Nearby towns and cities:
198 km SO de Vailoa (pop: 769) --> Voir les séismes à proximité!
202 km SSO de Asau (pop: 6,640) --> Voir les séismes à proximité!
211 km SO de Mulifanua (pop: 4,510) --> Voir les séismes à proximité!
220 km SSO de Safotu (pop: 1,210) --> Voir les séismes à proximité!
228 km SO de Afega (Malie) (pop: 1,900) --> Voir les séismes à proximité!
232 km SO de Apia (pop: 40,400) --> Voir les séismes à proximité!
244 km SO de Lufilufi (pop: 1,070) --> Voir les séismes à proximité!
305 km OSO de Tāfuna (Tualauta, Samoa américaines) (pop: 11,000) --> Voir les séismes à proximité!
309 km OSO de Pago Pago (Ma'Oputasi, Samoa américaines) (pop: 11,500) --> Voir les séismes à proximité!
363 km SE de Mata-Utu (Hahake, Wallis-et-Futuna) (pop: 1,200) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Very Heavy Rain 25.1°C (77 F), humidity: 94%, wind: 2 m/s (4 kts) from N
Primary data source: GeoAu (Geoscience Australia )
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 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.
M 5.010 kmTonga Islands, SamoaGeoAu
M 4.910 kmTONGA, SamoaEMSC
M 5.010 km124 Km NE of Hihifo, Tonga, SamoaUSGS
M 5.010 kmTonga Islands, SamoaGFZ

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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More info
Recorded aftershocks, latest first (1 quakes so far, frequently updated):
  • 24 Feb 2021 19:19 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    13 km (8 mi) distance
    | USGS | Details

Earlier earthquakes in the same area since 1900

Map of earlier quakes

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