Strong mag. 6.1 earthquake - Tonga on Friday, 2 October 2009 at 01:07 (GMT)

Strong mag. 6.1 earthquake  - Tonga on Friday, 2 October 2009 at 01:07 (GMT)

Strong magnitude 6.1 earthquake at 8 km depth

Date & time: 2 Oct 2009 01:07:39 UTC###AGESTRINGCOPY###
Magnitude: 6.1
Depth: 8.0 km
Epicenter latitude / longitude: 16.335°S / 173.471°W (Tonga)
Nearest volcano: Tafahi (60 km / 37 mi)
Nearby towns and cities:
55 km (34 mi) SE of Hihifo (pop: 815)
263 km (164 mi) NNE of Neiafu (Vava‘u) (pop: 4,320)
318 km (198 mi) SSW of Mulifanua (Samoa) (pop: 4,510)
326 km (202 mi) SSW of Asau (Vaisigano, Samoa) (pop: 6,640)
333 km (207 mi) SSW of Apia (Tuamasaga, Samoa) (pop: 40,400)
369 km (230 mi) SW of Tāfuna (Tualauta, Western District, American Samoa) (pop: 11,000)
398 km (247 mi) NNE of Pangai (Ha'apai) (pop: 1,740)
565 km (351 mi) NNE of Nuku‘alofa (Nuku'alofa, Tongatapu) (pop: 22,400)
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!) 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.
MagnitudeDepthLocationSource
M 6.18 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 2 October 01:07 UTC

More info
Recorded aftershocks, latest first (12 quakes):
  • 28 Feb 2010 03:33 UTC
    | M 4.5 |
    79.6 km (49.5 mi) depth
    |
    44 km (28 mi) distance
    | USGS | Details
  • 10 Jan 2010 12:15 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    20 km (12 mi) distance
    | USGS | Details
  • 08 Jan 2010 00:50 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    47 km (29 mi) distance
    | USGS | Details
  • 16 Dec 2009 18:54 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    47 km (29 mi) distance
    | USGS | Details
  • 12 Dec 2009 09:08 UTC
    | M 5.1 |
    10 km (6.2 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 06 Nov 2009 12:28 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    46 km (29 mi) distance
    | USGS | Details
  • 18 Oct 2009 12:02 UTC
    | M 5.4 |
    10 km (6.2 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details
  • 05 Oct 2009 09:22 UTC
    | M 5.1 |
    10 km (6.2 mi) depth
    |
    28 km (18 mi) distance
    | USGS | Details
  • 04 Oct 2009 17:09 UTC
    | M 5.5 |
    10 km (6.2 mi) depth
    |
    23 km (14 mi) distance
    | USGS | Details
  • 04 Oct 2009 09:10 UTC
    | M 5.5 |
    23 km (14.3 mi) depth
    |
    27 km (17 mi) distance
    | USGS | Details
  • 02 Oct 2009 06:30 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 02 Oct 2009 01:09 UTC
    | M 5.5 |
    10 km (6.2 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - Tonga on Friday, 2 October 2009 at 01:07 (GMT)
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