Forte terremoto magnitudine 6.7 - Tonga, domenica, 25 gennaio 2004

Forte terremoto magnitudine 6.7 - Tonga, domenica, 25 gennaio 2004

Strong magnitude 6.7 earthquake at 130 km depth

Data & ora: 25 Jan 2004 11:43:11 UTC
Magnitudine: 6.7
Profondità: 129.8 km
Epicentro latitudine / longitudine: 16.83°S / 174.196°W (Tonga)
Vulcano più vicino: Tafahi (120 km / 75 mi)
Nearby towns and cities:
106 km SSO da Hihifo (pop: 815) --> Vedi sismi vicini
204 km N da Neiafu (pop: 4,320) --> Vedi sismi vicini
332 km N da Pangai (pop: 1,740) --> Vedi sismi vicini
404 km SSO da Asau (Samoa) (pop: 6,640) --> Vedi sismi vicini
406 km SO da Mulifanua (Samoa) (pop: 4,510) --> Vedi sismi vicini
414 km SO da Fasito‘outa (Samoa) (pop: 2,100) --> Vedi sismi vicini
423 km SO da Apia (Samoa) (pop: 40,400) --> Vedi sismi vicini
464 km SO da Tāfuna (Tualauta, Samoa americane) (pop: 11,000) --> Vedi sismi vicini
470 km SO da Pago Pago (Ma'Oputasi, Samoa americane) (pop: 11,500) --> Vedi sismi vicini
491 km NNE da Nuku'alofa (pop: 22,400) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 7.1 x 1014 joules (197 gigawatt hours, equivalent to 1.7 x 105 tons of TNT or 10.6 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.
MagnitudineProfonditàUbicazioneFonte
M 6.7130 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 6.7 quake Tonga 25 January 2004 11:43 GMT

More info
Recorded aftershocks, latest first (7 quakes):
  • 09 Jul 2004 14:29 UTC
    | M 5.0 |
    123.3 km (76.6 mi) depth
    |
    55 km (34 mi) distance
    | USGS | Details
  • 04 Jun 2004 02:38 UTC
    | M 5.6 |
    85.4 km (53.1 mi) depth
    |
    94 km (58 mi) distance
    | USGS | Details
  • 28 Apr 2004 11:45 UTC
    | M 5.7 |
    53.6 km (33.3 mi) depth
    |
    129 km (80 mi) distance
    | USGS | Details
  • 14 Apr 2004 01:33 UTC
    | M 6.0 |
    143.5 km (89.2 mi) depth
    |
    120 km (74 mi) distance
    | USGS | Strong mag. 6.0 earthquake - Tonga on Wednesday, 14 April 2004 at 01:33 (GMT)
  • 13 Apr 2004 11:24 UTC
    | M 5.3 |
    98.9 km (61.5 mi) depth
    |
    125 km (78 mi) distance
    | USGS | Details
  • 03 Apr 2004 09:00 UTC
    | M 5.3 |
    288.3 km (179.1 mi) depth
    |
    102 km (63 mi) distance
    | USGS | Details
  • 23 Feb 2004 15:16 UTC
    | M 5.1 |
    10 km (6.2 mi) depth
    |
    69 km (43 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Strong mag. 6.7 earthquake - Tonga on Sunday, 25 January 2004 at 11:43 (GMT)
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