Moderate mag. 5.0 earthquake - Tonga on Friday, 9 July 2004 at 14:29 (GMT)

Moderate mag. 5.0 earthquake - Tonga on Friday, 9 July 2004 at 14:29 (GMT)

Moderate magnitude 5.0 earthquake at 123 km depth

Date & time: 9 Jul 2004 14:29:01 UTC
Magnitude: 5
Depth: 123.3 km
Epicenter latitude / longitude: 17.291°S / 174.371°W (Tonga)
Nearest volcano: Fonualei (81 km / 50 mi)
Nearby towns and cities:
157 km (97 mi) NNW of Neiafu (pop: 4,320) --> See nearby quakes!
161 km (100 mi) SSW of Hihifo (pop: 815) --> See nearby quakes!
281 km (174 mi) N of Pangai (pop: 1,740) --> See nearby quakes!
437 km (271 mi) N of Nuku'alofa (pop: 22,400) --> See nearby quakes!
459 km (285 mi) SSW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
466 km (290 mi) SSW of Fasito‘outa (Samoa) (pop: 2,100) --> See nearby quakes!
475 km (295 mi) SW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
482 km (300 mi) SW of Lufilufi (Samoa) (pop: 1,070) --> See nearby quakes!
511 km (317 mi) SW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
516 km (321 mi) SW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) 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 5.0123 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 5.0 quake Tonga 9 July 2004 14:29 GMT

More info
Recorded aftershocks, latest first (1 quakes):
  • 26 Jul 2004 13:33 UTC
    | M 4.1 |
    150 km (93.2 mi) depth
    |
    7 km (5 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.0 earthquake - Tonga on Friday, 9 July 2004 at 14:29 (GMT)
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