Strong mag. 6.1 earthquake - South Pacific Ocean, 438 km north of Nuku\'alofa, Tongatapu, on Saturday, 4 September 2010 at 08:52 (GMT)

Strong mag. 6.1 earthquake - South Pacific Ocean, 438 km north of Nuku\'alofa, Tongatapu, on Saturday, 4 September 2010 at 08:52 (GMT)

Strong magnitude 6.1 earthquake at 69 km depth

Date & time: 4 Sep 2010 08:52:04 UTC
Magnitude: 6.1
Profondeur: 69.0 km
Epicenter latitude / longitude: 17.368°S / 173.999°W (South Pacific Ocean, Tonga)
Volcan le plus près: Fonualei (80 km / 50 mi)
Nearby towns and cities:
143 km N de Neiafu (pop: 4,320) --> Voir les séismes à proximité!
159 km S de Hihifo (pop: 815) --> Voir les séismes à proximité!
275 km N de Pangai (pop: 1,740) --> Voir les séismes à proximité!
434 km NNE de Kolonga (pop: 1,100) --> Voir les séismes à proximité!
438 km NNE de Nuku'alofa (pop: 22,400) --> Voir les séismes à proximité!
438 km NNE de Nuku‘alofa (pop: 22,400) --> Voir les séismes à proximité!
452 km NNE de ‘Ohonua (Ohonua) (pop: 1,240) --> Voir les séismes à proximité!
460 km SSO de Apia (Samoa) (pop: 40,400) --> Voir les séismes à proximité!
487 km SO de Tāfuna (Tualauta, Samoa américaines) (pop: 11,000) --> Voir les séismes à proximité!
492 km SO de Pago Pago (Ma'Oputasi, Samoa américaines) (pop: 11,500) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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 6.169 kmTongaUSGS
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 6.1 quake South Pacific Ocean, 438 km north of Nuku'alofa, Tongatapu, 4 September 2010 08:52 GMT

More info
Recorded aftershocks, latest first (5 quakes):
  • 28 Feb 2011 02:03 UTC
    | M 5.0 |
    13.1 km (8.1 mi) depth
    |
    42 km (26 mi) distance
    | USGS | Details
  • 15 Jan 2011 18:53 UTC
    | M 4.9 |
    118.5 km (73.6 mi) depth
    |
    48 km (30 mi) distance
    | USGS | Details
  • 14 Jan 2011 07:24 UTC
    | M 5.1 |
    100.7 km (62.6 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 19 Dec 2010 13:28 UTC
    | M 4.7 |
    18.9 km (11.7 mi) depth
    |
    9 km (6 mi) distance
    | USGS | Details
  • 05 Sep 2010 18:17 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    17 km (10 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - South Pacific Ocean, 438 km north of Nuku'alofa, Tongatapu, on Saturday, 4 September 2010 at 08:52 (GMT)
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