Strong mag. 6.2 earthquake - North Pacific Ocean, 45 km southeast of Kamaishi, Kamaishi-shi, Iwate, Japan, on Friday, 11 March 2011 at 06:23 (GMT)

Strong mag. 6.2 earthquake - North Pacific Ocean, 45 km southeast of Kamaishi, Kamaishi-shi, Iwate, Japan, on Friday, 11 March 2011 at 06:23 (GMT)

Strong magnitude 6.2 earthquake at 56 km depth

Date & time: 11 Mar 2011 06:23:09 UTC
Magnitude: 6.2
Depth: 56.3 km
Epicenter latitude / longitude: 39.03°N / 142.284°E (North Pacific Ocean, Japan)
Nearest volcano: Yakeishi (126 km / 78 mi)
Nearby towns and cities:
45 km (28 mi) SE of Kamaishi (pop: 43,100) --> See nearby quakes!
49 km (31 mi) E of Ōfunato (pop: 35,400) --> See nearby quakes!
50 km (31 mi) SE of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
56 km (35 mi) SSE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
72 km (45 mi) ESE of Tōno (pop: 26,800) --> See nearby quakes!
75 km (46 mi) SSE of Miyako (pop: 51,700) --> See nearby quakes!
436 km (271 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 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 6.256 kmnear the east coast of Honshu, JapanUSGS
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 6.2 quake North Pacific Ocean, 45 km southeast of Kamaishi, Kamaishi-shi, Iwate, Japan, 11 March 2011 06:23 GMT

More info
Recorded aftershocks, latest first (398 quakes):
  • 02 Sep 2011 04:48 UTC
    | M 4.4 |
    39.4 km (24.5 mi) depth
    |
    65 km (40 mi) distance
    | USGS | Details
  • 02 Sep 2011 04:08 UTC
    | M 4.6 |
    47.3 km (29.4 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
  • 01 Sep 2011 22:52 UTC
    | M 4.3 |
    35 km (21.7 mi) depth
    |
    67 km (42 mi) distance
    | USGS | Details
  • 28 Aug 2011 01:23 UTC
    | M 4.1 |
    27.5 km (17.1 mi) depth
    |
    72 km (45 mi) distance
    | USGS | Details
  • 25 Aug 2011 23:34 UTC
    | M 4.5 |
    76.3 km (47.4 mi) depth
    |
    38 km (23 mi) distance
    | USGS | Details
  • 21 Aug 2011 19:42 UTC
    | M 4.4 |
    61.9 km (38.5 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 20 Aug 2011 22:58 UTC
    | M 4.9 |
    62.6 km (38.9 mi) depth
    |
    56 km (35 mi) distance
    | USGS | Details
  • 20 Aug 2011 19:37 UTC
    | M 4.7 |
    48.3 km (30 mi) depth
    |
    60 km (37 mi) distance
    | USGS | Details
  • 19 Aug 2011 05:01 UTC
    | M 4.2 |
    49.4 km (30.7 mi) depth
    |
    68 km (42 mi) distance
    | USGS | Details
  • 19 Aug 2011 04:51 UTC
    | M 4.5 |
    40.9 km (25.4 mi) depth
    |
    28 km (17 mi) distance
    | USGS | Details
  • 17 Aug 2011 03:14 UTC
    | M 4.6 |
    39.5 km (24.5 mi) depth
    |
    76 km (47 mi) distance
    | USGS | Details
  • 17 Aug 2011 03:05 UTC
    | M 5.0 |
    42 km (26.1 mi) depth
    |
    73 km (45 mi) distance
    | USGS | Details
  • 16 Aug 2011 16:11 UTC
    | M 4.5 |
    39.5 km (24.5 mi) depth
    |
    74 km (46 mi) distance
    | USGS | Details
  • 13 Aug 2011 08:30 UTC
    | M 4.8 |
    29.9 km (18.6 mi) depth
    |
    68 km (42 mi) distance
    | USGS | Details
  • 10 Aug 2011 04:29 UTC
    | M 4.5 |
    58.9 km (36.6 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 09 Aug 2011 18:29 UTC
    | M 4.6 |
    67.9 km (42.2 mi) depth
    |
    28 km (17 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 6.2 earthquake - North Pacific Ocean, 45 km southeast of Kamaishi, Kamaishi-shi, Iwate, Japan, on Friday, 11 March 2011 at 06:23 (GMT)
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