Moderate mag. 5.0 earthquake - North Pacific Ocean, 1059 km south of Tokyo, Japan, on Tuesday, 21 December 2010 at 23:38 (GMT)

Moderate mag. 5.0 earthquake - North Pacific Ocean, 1059 km south of Tokyo, Japan, on Tuesday, 21 December 2010 at 23:38 (GMT)

Moderate magnitude 5.0 earthquake at 10 km depth

Date & time: 21 Dec 2010 23:38:54 UTC
Magnitude: 5
Depth: 10.0 km
Epicenter latitude / longitude: 26.73°N / 143.466°E (North Pacific Ocean, Japan)
Nearest volcano: unnamed (121 km / 75 mi)
Nearby towns and cities:
1059 km (658 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 of the 5.0 quake North Pacific Ocean, 1059 km south of Tokyo, Japan, 21 December 2010 23:38 GMT

More info
Recorded aftershocks, latest first (29 quakes):
  • 15 Feb 2011 00:54 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 03 Feb 2011 04:20 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 04 Jan 2011 21:22 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 26 Dec 2010 17:00 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 26 Dec 2010 15:08 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 26 Dec 2010 09:33 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 25 Dec 2010 11:41 UTC
    | M 5.1 |
    10 km (6.2 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 24 Dec 2010 21:50 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 24 Dec 2010 16:35 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details
  • 23 Dec 2010 14:45 UTC
    | M 4.1 |
    10 km (6.2 mi) depth
    |
    17 km (10 mi) distance
    | USGS | Details
  • 23 Dec 2010 08:27 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 23 Dec 2010 08:27 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 23 Dec 2010 04:10 UTC
    | M 4.0 |
    10 km (6.2 mi) depth
    |
    14 km (8 mi) distance
    | USGS | Details
  • 22 Dec 2010 21:49 UTC
    | M 6.4 |
    18 km (11.2 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Strong mag. 6.4 earthquake - North Pacific Ocean, 1055 km south of Tokyo, Japan, on Wednesday, 22 December 2010 at 21:49 (GMT)
  • 22 Dec 2010 19:28 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 22 Dec 2010 18:06 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    12 km (8 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

Moderate mag. 5.0 earthquake - North Pacific Ocean, 1059 km south of Tokyo, Japan, on Tuesday, 21 December 2010 at 23:38 (GMT)
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