Moderate mag. 5.3 earthquake - North Pacific Ocean, 989 km south of Tokyo, Japan, on Tuesday, 8 February 2011 at 16:42 (GMT)

Moderate mag. 5.3 earthquake - North Pacific Ocean, 989 km south of Tokyo, Japan, on Tuesday, 8 February 2011 at 16:42 (GMT)

Moderate magnitude 5.3 earthquake at 10 km depth

Date & time: 8 Feb 2011 16:42:40 UTC
Magnitude: 5.3
Depth: 10.0 km
Epicenter latitude / longitude: 27.301°N / 143.157°E (North Pacific Ocean, Japan)
Nearest volcano: unnamed (185 km / 115 mi)
Nearby towns and cities:
989 km (615 mi) SSE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 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 5.310 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 of the 5.3 quake North Pacific Ocean, 989 km south of Tokyo, Japan, 8 February 2011 16:42 GMT

More info
Recorded aftershocks, latest first (8 quakes):
  • 15 Feb 2011 17:38 UTC
    | M 4.4 |
    24.4 km (15.2 mi) depth
    |
    3 km (2 mi) distance
    | USGS | Details
  • 12 Feb 2011 00:05 UTC
    | M 5.0 |
    16.6 km (10.3 mi) depth
    |
    7 km (5 mi) distance
    | USGS | Details
  • 11 Feb 2011 23:59 UTC
    | M 5.1 |
    10 km (6.2 mi) depth
    |
    9 km (6 mi) distance
    | USGS | Details
  • 11 Feb 2011 16:21 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 09 Feb 2011 20:06 UTC
    | M 4.7 |
    12 km (7.5 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 09 Feb 2011 11:29 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 08 Feb 2011 17:48 UTC
    | M 4.3 |
    14.3 km (8.9 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 08 Feb 2011 17:13 UTC
    | M 4.9 |
    7.4 km (4.6 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.3 earthquake - North Pacific Ocean, 989 km south of Tokyo, Japan, on Tuesday, 8 February 2011 at 16:42 (GMT)
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