Moderate mag. 5.1 earthquake - North Pacific Ocean, 1079 km southeast of Tokyo, Japan, on Saturday, 8 January 2011 at 18:23 (GMT)

Moderate mag. 5.1 earthquake - North Pacific Ocean, 1079 km southeast of Tokyo, Japan, on Saturday, 8 January 2011 at 18:23 (GMT)

Moderate magnitude 5.1 earthquake at 16 km depth

Date & time: 8 Jan 2011 18:23:20 UTC
Magnitude: 5.1
Depth: 15.6 km
Epicenter latitude / longitude: 26.672°N / 143.878°E (North Pacific Ocean, Japan)
Nearest volcano: unnamed (85 km / 53 mi)
Nearby towns and cities:
1079 km (670 mi) SSE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 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 5.116 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 5.1 quake North Pacific Ocean, 1079 km southeast of Tokyo, Japan, 8 January 2011 18:23 GMT

More info
Recorded aftershocks, latest first (16 quakes):
  • 24 Feb 2011 07:38 UTC
    | M 4.1 |
    10 km (6.2 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 18 Feb 2011 15:35 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 18 Feb 2011 08:03 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    21 km (13 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
  • 24 Jan 2011 07:19 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 24 Jan 2011 00:59 UTC
    | M 4.1 |
    4.1 km (2.5 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 23 Jan 2011 22:51 UTC
    | M 5.1 |
    13.8 km (8.6 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 23 Jan 2011 22:13 UTC
    | M 5.0 |
    15 km (9.3 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 23 Jan 2011 11:48 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 23 Jan 2011 10:58 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 16 Jan 2011 10:35 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 14 Jan 2011 20:33 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 12 Jan 2011 04:11 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 12 Jan 2011 00:16 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 11 Jan 2011 22:56 UTC
    | M 4.9 |
    5.8 km (3.6 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 09 Jan 2011 07:45 UTC
    | M 4.0 |
    10 km (6.2 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.1 earthquake - North Pacific Ocean, 1079 km southeast of Tokyo, Japan, on Saturday, 8 January 2011 at 18:23 (GMT)
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