Strong and deep M 6.4 earthquake hit Molucca Sea, Indonesia

Strong and deep M 6.4 earthquake hit Molucca Sea, Indonesia

Very strong and deep earthquake with recorded magnitude of 6.4 struck Molucca Sea, Indonesia on August 26, 2012 at 15:05 UTC, 11:05 pm local time, according to USGS. Both USGS and EMSC recorded preliminary magnitude of 6.8. Epicenter was located 169 km (105 miles) NNW (340°) from Ternate, Moluccas, Indonesia at coordinates 2.231°N, 126.865°E. Recorded depth was 69.7 km (43.3 miles). EMSC later reported magnitude 6.6 and depth of 80 km.

The earthquake was felt in a wide area in Indonesia and the Philippines, mainly because of the deep origin of the hypocenter.

NOAA/NWS - Pacific Tsunami Warning Center evaluated that this earthquake had no destructive widespread tsunami threat based on historical earthquake and tsunami data.

GDACS reported that this earthquake can have a low humanitarian impact based on the Magnitude and the affected population and their vulnerability. About 6000 people live within 100km.


  • Sunday, August 26, 2012 at 15:05:35 UTC
  • Sunday, August 26, 2012 at 11:05:35 PM at epicenter
Location2.231°N, 126.865°E
Depth69.7 km (43.3 miles)
  • 169 km (105 miles) NNW (340°) from Ternate, Moluccas, Indonesia
  • 239 km (148 miles) ENE (70°) from Manado, Sulawesi, Indonesia
  • 460 km (286 miles) ENE (66°) from Gorontalo, Sulawesi, Indonesia
  • 1021 km (634 miles) SW (236°) from KOROR, Palau
Location Uncertaintyhorizontal +/- 13.4 km (8.3 miles); depth +/- 7.2 km (4.5 miles)
ParametersNST=250, Nph=250, Dmin=170.3 km, Rmss=1.18 sec, Gp= 14°,
M-type=regional moment magnitude (Mw), Version=8
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event IDusc000c76x

Historic seismicity map - 2012


Tags: indonesia


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