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Interactive map of latest earthquakes and active volcanoes in the world

Strong mag. 6.6 earthquake - Near the East Coast of Honshu, Japan on Friday, 11 March 2011

Strong mag. 6.6 earthquake - Near the East Coast of Honshu, Japan on Friday, 11 March 2011
Date & time: Friday, 11 March 2011 11:36 UTC
Magnitude: 6.6
Depth: 25.7 km
Epicenter latitude / longitude: 39.241°N / 142.463°E (Japan)
Nearest volcano: Yakeishi (141 km / 88 mi)
Nearby towns and cities:
50 km (31 mi) SE of Ōtsuchi (pop: 16,500)
51 km (32 mi) SE of Yamada (pop: 20,100)
51 km (32 mi) E of Kamaishi (pop: 43,100)
124 km (77 mi) SE of Morioka (pop: 295,200)
176 km (109 mi) NE of Sendai (pop: 1,063,100)
465 km (289 mi) NE of Tokyo (pop: 8,336,600)
Primary data source: USGS
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Fri, 11 Mar 11:36 UTCM 6.6 / 25.7 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 6.6 quake: Near the East Coast of Honshu, Japan, 11 Mar 2011 11:36

More info
Recorded aftershocks, latest first (787 quakes):
  • 07 Sep 2011 00:09 UTC
    | M 5.0 |
    24.1 km (15 mi) depth
    |
    118 km (73 mi) distance
    | USGS | Details
  • 04 Sep 2011 12:22 UTC
    | M 4.9 |
    36 km (22.4 mi) depth
    |
    100 km (62 mi) distance
    | USGS | Details
  • 04 Sep 2011 07:01 UTC
    | M 4.4 |
    51.6 km (32.1 mi) depth
    |
    60 km (37 mi) distance
    | USGS | Details
  • 02 Sep 2011 04:48 UTC
    | M 4.4 |
    39.4 km (24.5 mi) depth
    |
    89 km (55 mi) distance
    | USGS | Details
  • 02 Sep 2011 04:08 UTC
    | M 4.6 |
    47.3 km (29.4 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
  • 01 Sep 2011 22:52 UTC
    | M 4.3 |
    35 km (21.7 mi) depth
    |
    52 km (32 mi) distance
    | USGS | Details
  • 31 Aug 2011 09:12 UTC
    | M 4.7 |
    50.6 km (31.4 mi) depth
    |
    113 km (70 mi) distance
    | USGS | Details
  • 30 Aug 2011 09:07 UTC
    | M 4.7 |
    31.4 km (19.5 mi) depth
    |
    93 km (58 mi) distance
    | USGS | Details
  • 28 Aug 2011 01:23 UTC
    | M 4.1 |
    27.5 km (17.1 mi) depth
    |
    94 km (58 mi) distance
    | USGS | Details
  • 27 Aug 2011 08:43 UTC
    | M 4.5 |
    62.6 km (38.9 mi) depth
    |
    98 km (61 mi) distance
    | USGS | Details
  • 25 Aug 2011 23:34 UTC
    | M 4.5 |
    76.3 km (47.4 mi) depth
    |
    63 km (39 mi) distance
    | USGS | Details
  • 25 Aug 2011 04:07 UTC
    | M 4.7 |
    46.4 km (28.8 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Details
  • 23 Aug 2011 04:36 UTC
    | M 4.3 |
    19 km (11.8 mi) depth
    |
    105 km (66 mi) distance
    | USGS | Details
  • 21 Aug 2011 19:42 UTC
    | M 4.4 |
    61.9 km (38.5 mi) depth
    |
    56 km (35 mi) distance
    | USGS | Details
  • 20 Aug 2011 22:58 UTC
    | M 4.9 |
    62.6 km (38.9 mi) depth
    |
    84 km (52 mi) distance
    | USGS | Details
  • 20 Aug 2011 19:37 UTC
    | M 4.7 |
    48.3 km (30 mi) depth
    |
    88 km (55 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 6.6 earthquake - Near the East Coast of Honshu, Japan on Friday, 11 March 2011
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