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M7.3 earthquake - 245km SE of Kamaishi, Japan, Friday, 7 December 2012 at 08:18 (GMT)

Major mag. 7.3 earthquake - 245km SE of Kamaishi, Japan, on Fri, 7 Dec 2012 18:18

Major mag. 7.3 earthquake  - 245km SE of Kamaishi, Japan, on Fri, 7 Dec 2012 18:18
7 Dec 08:30 UTC: First to report: USGS after 12 minutes.
Date & time: 2012-12-07 08:18:24 UTC
Local time at epicenter: Fri, 7 Dec 2012 18:18
Magnitude: 7.3
Depth: 36.1 km
Epicenter latitude / longitude: 37.8885°N / 144.09°E (Japan)
Nearby towns and cities:
462 km (287 mi) NE of Tokyo (pop: 8,336,600)
Primary data source: USGS
Estimated released energy: 5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 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
2012-12-07 08:18:24 UTC
Fri, 7 Dec 2012 18:18
M 7.3 / 36.1 km245km SE of Kamaishi, JapanUSGS
2012-12-07 08:18:23 UTCM 7.3 / 30 kmOFF EAST COAST OF HONSHU, JAPANEMSC
2012-12-07 08:18:23 UTCM 7.3 / 33 kmOff East Coast of Honshu, JapanGFZ
2012-12-07 08:18:24 UTCM 7.3 / 36 kmOff The East Coast of Honshu, JapanGeoAu
2012-12-07 08:18:20 UTC
Fri, 7 Dec 2012 17:18:20 JST
M 7.4 / 46 km三陸沖 (Off Sanriku)JMA
2012-12-07 08:18:20 UTC
Fri, 7 Dec 2012 15:18 WIB
M 7.7 / 10 kmOff East Coast of Honshu, JapanBMKG

shake map
(shakemap: USGS)

User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
yufyuog / not felt
Misawa (Japan, 372 km NW of epicenter) : Earthquake started small seemed like one small shock then slowed down,. Then it increased and shook my h more strongly.Lasted about 3-5 minutes. Tsunami warning for Misawa for half meter wave and one meter for Sendai area. (reported through EMSC)
Yokosuka (Japan, 482 km SW of epicenter) : It seemed to last a long time. I felt like I was on a ship. (reported through EMSC)
Tsukuba (Japan, 400 km SW of epicenter) : shaking time was very long (reported through EMSC)

Aftershocks of the 7.3 quake 245km SE of Kamaishi, Japan, Fri, 7 Dec 2012 18:18

More info
Recorded aftershocks, latest first (1507 quakes):
  • 15 Nov 2014 00:56 UTC
    | M 4.6 |
    52.5 km (32.6 mi) depth
    |
    177 km (110 mi) distance
    | USGS | Details
  • 07 Nov 2014 23:54 UTC
    | M 5.0 |
    39 km (24.2 mi) depth
    |
    163 km (102 mi) distance
    | GFZ | Details
  • 07 Oct 2014 19:07 UTC
    | M 4.8 |
    40.4 km (25.1 mi) depth
    |
    165 km (103 mi) distance
    | USGS | Details
  • 06 Oct 2014 06:37 UTC
    | M 4.5 |
    52 km (32.3 mi) depth
    |
    175 km (109 mi) distance
    | EMSC | Details
  • 05 Oct 2014 11:05 UTC
    | M 4.5 |
    31 km (19.3 mi) depth
    |
    124 km (77 mi) distance
    | EMSC | Details
  • 18 Sep 2014 16:34 UTC
    | M 4.5 |
    52.4 km (32.6 mi) depth
    |
    189 km (117 mi) distance
    | USGS | Details
  • 18 Sep 2014 12:39 UTC
    | M 4.6 |
    30 km (18.6 mi) depth
    |
    189 km (118 mi) distance
    | EMSC | Details
  • 30 Aug 2014 20:42 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    154 km (96 mi) distance
    | EMSC | Details
  • 29 Aug 2014 13:33 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    124 km (77 mi) distance
    | GFZ | Details
  • 17 Aug 2014 18:15 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    185 km (115 mi) distance
    | EMSC | Details
  • 15 Aug 2014 12:24 UTC
    | M 4.6 |
    22.4 km (13.9 mi) depth
    |
    181 km (112 mi) distance
    | USGS | Details
  • 28 Jul 2014 19:01 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    149 km (92 mi) distance
    | GFZ | Details
  • 26 Jul 2014 20:38 UTC
    | M 4.6 |
    24.5 km (15.2 mi) depth
    |
    166 km (103 mi) distance
    | USGS | Details
  • 18 Jul 2014 04:38 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    159 km (99 mi) distance
    | EMSC | Details
  • 18 Jul 2014 01:22 UTC
    | M 4.3 |
    21.3 km (13.2 mi) depth
    |
    69 km (43 mi) distance
    | USGS | Details
  • 13 Jul 2014 13:26 UTC
    | M 4.8 |
    2 km (1.2 mi) depth
    |
    108 km (67 mi) distance
    | EMSC | Details
  • Show all

Earlier earthquakes in the same area

Major mag. 7.3 earthquake - 245km SE of Kamaishi, Japan, on Fri, 7 Dec 2012 18:18

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