Strong mag. 6.1 earthquake - Tonga Region on Sunday, 14 March 2004 at 16:30 (GMT)

Strong mag. 6.1 earthquake  - Tonga Region on Sunday, 14 March 2004 at 16:30 (GMT)

Strong magnitude 6.1 earthquake at 12 km depth

Date & time: 14 Mar 2004 04:30:42 UTC###AGESTRINGCOPY###
Magnitude: 6.1
Depth: 12.0 km
Epicenter latitude / longitude: 17.267°S / 172.316°W (Tonga)
Nearest volcano: Tafahi (217 km / 135 mi)
Nearby towns and cities:
215 km (134 mi) SE of Hihifo (pop: 815)
234 km (145 mi) NE of Neiafu (Vava‘u) (pop: 4,320)
356 km (221 mi) NE of Pangai (Ha'apai) (pop: 1,740)
368 km (229 mi) SSW of Tāfuna (Tualauta, Western District, American Samoa) (pop: 11,000)
383 km (238 mi) S of Mulifanua (Samoa) (pop: 4,510)
386 km (240 mi) S of Apia (Tuamasaga, Samoa) (pop: 40,400)
418 km (260 mi) S of Asau (Vaisigano, Samoa) (pop: 6,640)
527 km (327 mi) NE 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 6.112 kmTonga regionUSGS
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 Region 14 March 16:30 UTC

More info
Recorded aftershocks, latest first (4 quakes):
  • 01 Jul 2004 11:33 UTC
    | M 4.4 |
    25 km (15.5 mi) depth
    |
    59 km (37 mi) distance
    | USGS | Details
  • 17 May 2004 00:30 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    52 km (32 mi) distance
    | USGS | Details
  • 15 May 2004 09:32 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 15 Mar 2004 05:22 UTC
    | M 4.8 |
    45 km (28 mi) depth
    |
    44 km (27 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - Tonga Region on Sunday, 14 March 2004 at 16:30 (GMT)
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