Mag. 4.6 earthquake - Indian Ocean, 61 km north of Pulau Tanahmasa Island, North Sumatra, Indonesia, on Friday, 20 May 2011 at 23:20 (GMT)

Mag. 4.6 earthquake - Indian Ocean, 61 km north of Pulau Tanahmasa Island, North Sumatra, Indonesia, on Friday, 20 May 2011 at 23:20 (GMT)

Light magnitude 4.6 earthquake at 55 km depth

Date & time: 20 May 2011 23:20:20 UTC
Magnitude: 4.6
Profondeur: 54.8 km
Epicenter latitude / longitude: 0.383°N / 98.466°E (Océan Indien, Indonésie)
Volcan le plus près: Sorikmarapi (124 km / 77 mi)
Nearby towns and cities:
143 km SO de Padangsidempuan (pop: 100,600) --> Voir les séismes à proximité!
155 km SSO de Sibolga (pop: 79,700) --> Voir les séismes à proximité!
215 km ONO de Pariaman (pop: 92,200) --> Voir les séismes à proximité!
225 km SSE de Singkil (pop: 46,800) --> Voir les séismes à proximité!
225 km ONO de Bukittinggi (pop: 98,700) --> Voir les séismes à proximité!
244 km SO de Rantauprapat (pop: 103,000) --> Voir les séismes à proximité!
250 km ONO de Payakumbuh (pop: 121,600) --> Voir les séismes à proximité!
257 km NO de Padang (pop: 840,400) --> Voir les séismes à proximité!
357 km S de Medan (pop: 1,751,000) --> Voir les séismes à proximité!
1185 km NO de Jakarta (pop: 8,540,100) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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 4.655 kmNias region, IndonesiaUSGS
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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Earlier earthquakes in the same area

Mag. 4.6 earthquake - Indian Ocean, 61 km north of Pulau Tanahmasa Island, North Sumatra, Indonesia, on Friday, 20 May 2011 at 23:20 (GMT)
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