Strong mag. 5.4 earthquake - North Pacific Ocean, 1060 km southeast of Tokyo, Japan, on Wednesday, 22 December 2010 at 03:02 (GMT)

Strong mag. 5.4 earthquake - North Pacific Ocean, 1060 km southeast of Tokyo, Japan, on Wednesday, 22 December 2010 at 03:02 (GMT)

Strong magnitude 5.4 earthquake at 10 km depth

Date & time: 22 Dec 2010 03:02:11 UTC
Magnitude: 5.4
Depth: 10.0 km
Epicenter latitude / longitude: 26.819°N / 143.763°E (North Pacific Ocean, Japan)
Nearest volcano: unnamed (105 km / 65 mi)
Nearby towns and cities:
1060 km (658 mi) SSE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) 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 5.410 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 (270 quakes):
  • 18 Feb 2011 15:35 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 18 Feb 2011 08:03 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    28 km (17 mi) distance
    | USGS | Details
  • 16 Feb 2011 04:03 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 15 Feb 2011 00:54 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 07 Feb 2011 22:18 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 07 Feb 2011 19:05 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 07 Feb 2011 15:19 UTC
    | M 4.9 |
    5 km (3.1 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 31 Jan 2011 07:45 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    15 km (10 mi) distance
    | USGS | Details
  • 30 Jan 2011 18:42 UTC
    | M 4.0 |
    10 km (6.2 mi) depth
    |
    19 km (11 mi) distance
    | USGS | Details
  • 30 Jan 2011 18:34 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 30 Jan 2011 18:04 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 30 Jan 2011 12:37 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    25 km (16 mi) distance
    | USGS | Details
  • 29 Jan 2011 20:57 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    12 km (7 mi) distance
    | USGS | Details
  • 28 Jan 2011 19:54 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 28 Jan 2011 19:44 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 28 Jan 2011 01:15 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 5.4 earthquake - North Pacific Ocean, 1060 km southeast of Tokyo, Japan, on Wednesday, 22 December 2010 at 03:02 (GMT)
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