Mag. 4.5 earthquake - North Pacific Ocean, 186 km east of Hachinohe, Aomori, Japan, on Saturday, 23 April 2011 at 04:16 (GMT)

Mag. 4.5 earthquake - North Pacific Ocean, 186 km east of Hachinohe, Aomori, Japan, on Saturday, 23 April 2011 at 04:16 (GMT)

Light magnitude 4.5 earthquake at 35 km depth

Date & time: 23 Apr 2011 04:16:13 UTC
Magnitude: 4.5
Profondeur: 35.0 km
Epicenter latitude / longitude: 40.281°N / 143.682°E (Océan Pacifique Nord, Japon)
Volcan le plus près: Osore-yama (217 km / 135 mi)
Nearby towns and cities:
164 km ENE de Miyako (pop: 51,700) --> Voir les séismes à proximité!
173 km ENE de Yamada (Shimohei-gun) (pop: 20,100) --> Voir les séismes à proximité!
186 km E de Hachinohe (pop: 239,000) --> Voir les séismes à proximité!
191 km NE de Kamaishi (pop: 43,100) --> Voir les séismes à proximité!
199 km ESE de Misawa (pop: 42,800) --> Voir les séismes à proximité!
225 km ENE de Morioka (pop: 295,200) --> Voir les séismes à proximité!
246 km ENE de Kitakami (pop: 93,900) --> Voir les séismes à proximité!
256 km ESE de Aomori (pop: 298,400) --> Voir les séismes à proximité!
365 km SSE de Sapporo (pop: 1,883,000) --> Voir les séismes à proximité!
619 km NNE de Tokyo (pop: 8,336,600) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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 4.535 kmoff the east coast of Honshu, JapanUSGS
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. 4.5 earthquake - North Pacific Ocean, 186 km east of Hachinohe, Aomori, Japan, on Saturday, 23 April 2011 at 04:16 (GMT)
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