Light mag. 4.9 earthquake - South Pacific Ocean, Tonga, on Thursday, 8 March 1990 at 01:06 (GMT)

Light mag. 4.9 earthquake - South Pacific Ocean, Tonga, on Thursday, 8 March 1990 at 01:06 (GMT)

Séisme faible magnitude 4.9 at 309 km depth

Date & time: 8 Mar 1990 01:06:14 UTC
Magnitude: 4.9
Profondeur: 309.4 km
Epicenter latitude / longitude: 15.63°S / 174.914°W (South Pacific Ocean, Tonga)
Volcan le plus près: Niuafo'ou (77 km / 48 mi)
Nearby towns and cities:
125 km ONO de Hihifo (pop: 815) --> Voir les séismes à proximité!
294 km SSE de Mata-Utu (Hahake, Wallis-et-Futuna) (pop: 1,200) --> Voir les séismes à proximité!
339 km SO de Asau (Samoa) (pop: 6,640) --> Voir les séismes à proximité!
350 km NNO de Neiafu (pop: 4,320) --> Voir les séismes à proximité!
363 km SO de Safotu (Samoa) (pop: 1,210) --> Voir les séismes à proximité!
369 km SO de Mulifanua (Samoa) (pop: 4,510) --> Voir les séismes à proximité!
378 km OSO de Fasito‘outa (Samoa) (pop: 2,100) --> Voir les séismes à proximité!
393 km OSO de Apia (Samoa) (pop: 40,400) --> Voir les séismes à proximité!
407 km OSO de Lufilufi (Samoa) (pop: 1,070) --> Voir les séismes à proximité!
614 km N de Nuku'alofa (pop: 22,400) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 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.
MagnitudeProfondeurLocationSource
M 4.9309 kmTongaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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