Strong mag. 5.0 earthquake - North Pacific Ocean, 993 km south of Tokyo, Japan, on Wednesday, 9 February 2011 at 11:29 (GMT)

Strong mag. 5.0 earthquake - North Pacific Ocean, 993 km south of Tokyo, Japan, on Wednesday, 9 February 2011 at 11:29 (GMT)

Strong magnitude 5.0 earthquake at 10 km depth

Date & time: 9 Feb 2011 11:29:12 UTC
Magnitude: 5
Depth: 10.0 km
Epicenter latitude / longitude: 27.292°N / 143.258°E (North Pacific Ocean, Japan)
Nearest volcano: unnamed (177 km / 110 mi)
Nearby towns and cities:
993 km (617 mi) SSE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 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.
MagnitudeDepthLocationSource
M 5.010 kmBonin Islands, Japan 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 (9 quakes):
  • 07 Apr 2011 15:02 UTC
    | M 4.8 |
    35 km (21.7 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 07 Apr 2011 04:00 UTC
    | M 4.6 |
    35 km (21.7 mi) depth
    |
    12 km (8 mi) distance
    | USGS | Details
  • 07 Apr 2011 00:16 UTC
    | M 4.8 |
    35 km (21.7 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 06 Apr 2011 07:12 UTC
    | M 5.1 |
    37 km (23 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 06 Apr 2011 04:28 UTC
    | M 4.4 |
    35 km (21.7 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 15 Feb 2011 17:38 UTC
    | M 4.4 |
    24.4 km (15.2 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 12 Feb 2011 00:05 UTC
    | M 5.0 |
    16.6 km (10.3 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 11 Feb 2011 16:21 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 09 Feb 2011 20:06 UTC
    | M 4.7 |
    12 km (7.5 mi) depth
    |
    3 km (2 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Strong mag. 5.0 earthquake - North Pacific Ocean, 993 km south of Tokyo, Japan, on Wednesday, 9 February 2011 at 11:29 (GMT)
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