Strong mag. 5.2 earthquake - North Pacific Ocean, 1017 km south of Tokyo, Japan, on Friday, 21 January 2011 at 08:12 (GMT)

Strong mag. 5.2 earthquake - North Pacific Ocean, 1017 km south of Tokyo, Japan, on Friday, 21 January 2011 at 08:12 (GMT)

Tremblement de terre fort magnitude 5.2 at 10 km depth

Date & time: 21 Jan 2011 08:12:30 UTC
Magnitude: 5.2
Profondeur: 10.0 km
Epicenter latitude / longitude: 27.133°N / 143.47°E (Océan Pacifique Nord, Japon)
Volcan le plus près: unnamed (150 km / 93 mi)
Nearby towns and cities:
125 km E de Chichijima Island (pop: 2,000) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 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.
MagnitudeProfondeurLocationSource
M 5.210 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 (46 quakes):
  • 14 Mar 2011 20:23 UTC
    | M 4.7 |
    12.3 km (7.6 mi) depth
    |
    7 km (5 mi) distance
    | USGS | Details
  • 08 Mar 2011 04:17 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 06 Mar 2011 07:13 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    23 km (14 mi) distance
    | USGS | Details
  • 02 Mar 2011 05:34 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
  • 26 Feb 2011 06:14 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    12 km (7 mi) distance
    | USGS | Details
  • 11 Feb 2011 16:21 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    20 km (13 mi) distance
    | USGS | Details
  • 11 Feb 2011 06:41 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    9 km (5 mi) distance
    | USGS | Details
  • 10 Feb 2011 20:29 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    1 km (1 mi) distance
    | USGS | Details
  • 10 Feb 2011 03:04 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    9 km (6 mi) distance
    | USGS | Details
  • 08 Feb 2011 05:37 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 06 Feb 2011 21:44 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    10 km (7 mi) distance
    | USGS | Details
  • 05 Feb 2011 06:22 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    12 km (7 mi) distance
    | USGS | Details
  • 04 Feb 2011 00:17 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 03 Feb 2011 19:10 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 02 Feb 2011 04:48 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 01 Feb 2011 18:41 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

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