Strong mag. 6.1 earthquake - North Pacific Ocean, 138 km northeast of Miyako, Iwate, Japan, on Tuesday, 15 March 2011 at 15:23 (GMT)

Strong mag. 6.1 earthquake - North Pacific Ocean, 138 km northeast of Miyako, Iwate, Japan, on Tuesday, 15 March 2011 at 15:23 (GMT)

Strong magnitude 6.1 earthquake at 18 km depth

Date & time: 15 Mar 2011 15:23:53 UTC
Magnitude: 6.1
Depth: 18.0 km
Epicenter latitude / longitude: 40.335°N / 143.288°E (North Pacific Ocean, Japan)
Nearest volcano: Osore-yama (184 km / 114 mi)
Nearby towns and cities:
138 km (86 mi) NE of Miyako (pop: 51,700) --> See nearby quakes!
150 km (93 mi) NE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
153 km (95 mi) E of Hachinohe (pop: 239,000) --> See nearby quakes!
165 km (103 mi) ESE of Misawa (pop: 42,800) --> See nearby quakes!
169 km (105 mi) NE of Kamaishi (pop: 43,100) --> See nearby quakes!
195 km (121 mi) ENE of Morioka (pop: 295,200) --> See nearby quakes!
219 km (136 mi) ENE of Kitakami (pop: 93,900) --> See nearby quakes!
222 km (138 mi) ESE of Aomori (pop: 298,400) --> See nearby quakes!
344 km (214 mi) SSE of Sapporo (pop: 1,883,000) --> See nearby quakes!
605 km (376 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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 6.118 kmoff 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 6.1 quake North Pacific Ocean, 138 km northeast of Miyako, Iwate, Japan, 15 March 2011 15:23 GMT

More info
Recorded aftershocks, latest first (81 quakes):
  • 07 Sep 2011 00:09 UTC
    | M 5.0 |
    24.1 km (15 mi) depth
    |
    44 km (28 mi) distance
    | USGS | Details
  • 06 Sep 2011 10:47 UTC
    | M 4.6 |
    21.7 km (13.5 mi) depth
    |
    41 km (26 mi) distance
    | USGS | Details
  • 30 Aug 2011 09:07 UTC
    | M 4.7 |
    31.4 km (19.5 mi) depth
    |
    65 km (41 mi) distance
    | USGS | Details
  • 14 Aug 2011 20:42 UTC
    | M 4.8 |
    35 km (21.7 mi) depth
    |
    53 km (33 mi) distance
    | USGS | Details
  • 28 Jul 2011 09:01 UTC
    | M 5.6 |
    30.9 km (19.2 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 27 Jul 2011 14:50 UTC
    | M 5.0 |
    48.9 km (30.4 mi) depth
    |
    53 km (33 mi) distance
    | USGS | Details
  • 22 Jul 2011 00:56 UTC
    | M 4.8 |
    18.1 km (11.2 mi) depth
    |
    63 km (39 mi) distance
    | USGS | Details
  • 07 Jul 2011 16:31 UTC
    | M 4.8 |
    19 km (11.8 mi) depth
    |
    35 km (22 mi) distance
    | USGS | Details
  • 04 Jul 2011 10:45 UTC
    | M 4.7 |
    35 km (21.7 mi) depth
    |
    57 km (35 mi) distance
    | USGS | Details
  • 30 Jun 2011 21:47 UTC
    | M 4.8 |
    30 km (18.6 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 28 Jun 2011 07:42 UTC
    | M 5.2 |
    27.2 km (16.9 mi) depth
    |
    49 km (30 mi) distance
    | USGS | Details
  • 25 Jun 2011 15:04 UTC
    | M 4.5 |
    35 km (21.7 mi) depth
    |
    51 km (32 mi) distance
    | USGS | Details
  • 22 Jun 2011 14:28 UTC
    | M 5.7 |
    42.7 km (26.5 mi) depth
    |
    54 km (34 mi) distance
    | USGS | Details
  • 19 Jun 2011 00:39 UTC
    | M 4.3 |
    35 km (21.7 mi) depth
    |
    68 km (42 mi) distance
    | USGS | Details
  • 16 Jun 2011 10:09 UTC
    | M 5.0 |
    19.3 km (12 mi) depth
    |
    61 km (38 mi) distance
    | USGS | Details
  • 13 Jun 2011 06:50 UTC
    | M 5.1 |
    17.9 km (11.1 mi) depth
    |
    52 km (33 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - North Pacific Ocean, 138 km northeast of Miyako, Iwate, Japan, on Tuesday, 15 March 2011 at 15:23 (GMT)
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