- Samoa Islands Region on Thursday, 4 January 1990 at 05:32 (GMT)

 - Samoa Islands Region on Thursday, 4 January 1990 at 05:32 (GMT)

Tremblement de terre fort magnitude 6.5 at 54 km depth

Date & time: 4 Jan 1990 05:32:21 UTC
Magnitude: 6.5
Profondeur: 53.5 km
Epicenter latitude / longitude: 15.397°S / 172.85°W (Samoa)
Volcan le plus près: Curacoa (91 km / 57 mi)
Nearby towns and cities:
192 km SSO de Vailoa (pop: 769) --> Voir les séismes à proximité!
195 km SSO de Mulifanua (pop: 4,510) --> Voir les séismes à proximité!
202 km SSO de Fasito‘outa (pop: 2,100) --> Voir les séismes à proximité!
209 km SSO de Apia (pop: 40,400) --> Voir les séismes à proximité!
210 km S de Asau (pop: 6,640) --> Voir les séismes à proximité!
216 km SO de Lufilufi (pop: 1,070) --> Voir les séismes à proximité!
222 km SSO de Safotu (pop: 1,210) --> Voir les séismes à proximité!
262 km OSO de Pago Pago (Ma'Oputasi, Samoa américaines) (pop: 11,500) --> Voir les séismes à proximité!
429 km ESE de Mata-Utu (Hahake, Wallis-et-Futuna) (pop: 1,200) --> Voir les séismes à proximité!
512 km NO de Alofi (Niue) (pop: 624) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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.
MagnitudeProfondeurLocationSource
M 6.554 kmSamoa Islands 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

More info
Recorded aftershocks, latest first (7 quakes):
  • 02 Jul 1990 00:14 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    107 km (66 mi) distance
    | USGS | Details
  • 26 Jun 1990 03:24 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    99 km (61 mi) distance
    | USGS | Details
  • 06 May 1990 23:53 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    86 km (53 mi) distance
    | USGS | Details
  • 06 Apr 1990 06:09 UTC
    | M 5.6 |
    33 km (20.5 mi) depth
    |
    82 km (51 mi) distance
    | USGS | Details
  • 28 Mar 1990 19:50 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    82 km (51 mi) distance
    | USGS | Details
  • 24 Mar 1990 17:20 UTC
    | M 5.4 |
    29.6 km (18.4 mi) depth
    |
    97 km (60 mi) distance
    | USGS | Details
  • 20 Jan 1990 07:20 UTC
    | M 5.8 |
    33.6 km (20.9 mi) depth
    |
    58 km (36 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

- Samoa Islands Region on Thursday, 4 January 1990 at 05:32 (GMT)
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