Strong mag. 6.0 earthquake - Tonga on Sunday, 21 November 2004 at 11:07 (GMT)

Strong mag. 6.0 earthquake  - Tonga on Sunday, 21 November 2004 at 11:07 (GMT)

Strong magnitude 6.0 earthquake at 256 km depth

Date & time: 21 Nov 2004 11:07:13 UTC###AGESTRINGCOPY###
Magnitude: 6.0
Depth: 256.1 km
Epicenter latitude / longitude: 15.403°S / 174.908°W (Tonga)
Nearest volcano: Tafu-Maka (73 km / 45 mi)
Nearby towns and cities:
134 km (83 mi) WNW of Hihifo (pop: 815)
273 km (169 mi) SSE of Mata-Utu (Hahake, Wallis, Wallis & Futuna) (pop: 1,200)
322 km (200 mi) SW of Asau (Vaisigano, Samoa) (pop: 6,640)
355 km (221 mi) WSW of Mulifanua (Samoa) (pop: 4,510)
374 km (233 mi) NNW of Neiafu (Vava‘u) (pop: 4,320)
380 km (236 mi) WSW of Apia (Tuamasaga, Samoa) (pop: 40,400)
623 km (387 mi) E of Labasa (Northern Division, Fiji) (pop: 27,900)
639 km (397 mi) N of Nuku‘alofa (Nuku'alofa, Tongatapu) (pop: 22,400)
Primary data source: USGS
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.
MagnitudeDepthLocationSource
M 6.0256 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 6.0 quake Tonga 21 November 11:07 UTC

More info
Recorded aftershocks, latest first (9 quakes):
  • 10 Apr 2005 13:50 UTC
    | M 4.8 |
    253.3 km (157.4 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 07 Mar 2005 12:35 UTC
    | M 4.4 |
    157.7 km (98 mi) depth
    |
    57 km (35 mi) distance
    | USGS | Details
  • 18 Jan 2005 03:31 UTC
    | M 3.7 |
    238.7 km (148.3 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
  • 09 Jan 2005 01:26 UTC
    | M 4.0 |
    290.9 km (180.8 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 20 Dec 2004 07:39 UTC
    | M 5.8 |
    227.8 km (141.5 mi) depth
    |
    60 km (37 mi) distance
    | USGS | Details
  • 18 Dec 2004 08:33 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    30 km (19 mi) distance
    | USGS | Details
  • 18 Dec 2004 08:09 UTC
    | M 4.8 |
    15 km (9.3 mi) depth
    |
    44 km (27 mi) distance
    | USGS | Details
  • 23 Nov 2004 11:19 UTC
    | M 4.2 |
    264 km (164 mi) depth
    |
    54 km (34 mi) distance
    | USGS | Details
  • 21 Nov 2004 14:30 UTC
    | M 3.4 |
    222.7 km (138.4 mi) depth
    |
    27 km (17 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.0 earthquake - Tonga on Sunday, 21 November 2004 at 11:07 (GMT)
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