Strong mag. 6.1 earthquake - Tonga on Saturday, 4 September 2010 at 08:52 (GMT)

Strong mag. 6.1 earthquake  - Tonga 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###AGESTRINGCOPY###
Magnitude: 6.1
Depth: 69.0 km
Epicenter latitude / longitude: 17.368°S / 173.999°W (Tonga)
Nearest volcano: Fonualei (80 km / 50 mi)
Nearby towns and cities:
143 km (89 mi) N of Neiafu (Vava‘u) (pop: 4,320)
159 km (99 mi) S of Hihifo (pop: 815)
275 km (171 mi) N of Pangai (Ha'apai) (pop: 1,740)
438 km (272 mi) NNE of Nuku‘alofa (Nuku'alofa, Tongatapu) (pop: 22,400)
452 km (281 mi) SSW of Asau (Vaisigano, Samoa) (pop: 6,640)
460 km (286 mi) SSW of Apia (Tuamasaga, Samoa) (pop: 40,400)
487 km (302 mi) SW of Tāfuna (Tualauta, Western District, American Samoa) (pop: 11,000)
714 km (444 mi) E of Labasa (Northern Division, Fiji) (pop: 27,900)
Primary data source: USGS
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) [learn more]
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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.
MagnitudeDepthLocationSource
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 Tonga 4 September 08:52 UTC

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

Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - Tonga on Saturday, 4 September 2010 at 08:52 (GMT)
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