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Major mag. 7.8 earthquake - Off the East Coast of Honshu, Japan, on Wednesday, 28 December 1994 at 12:19 (GMT)

Major mag. 7.8 earthquake  - Off the East Coast of Honshu, Japan, on Wednesday, 28 December 1994 at 12:19 (GMT)
Date & time: 1994-12-28 12:19:23 UTC
Magnitude: 7.8
Depth: 26.5 km
Epicenter latitude / longitude: 40.525°N / 143.419°E (Japan)
Nearest volcano: Osore-yama (196 km / 122 mi)
Nearby towns and cities:
159 km (99 mi) NE of Miyako (pop: 51,700)
162 km (101 mi) E of Hachinohe (pop: 239,000)
172 km (107 mi) NE of Yamada (pop: 20,100)
172 km (107 mi) E of Misawa (pop: 42,800)
183 km (114 mi) NE of Ōtsuchi (pop: 16,500)
629 km (391 mi) NE of Tokyo (pop: 8,336,600)
Primary data source: USGS
Estimated released energy: 3.2 x 1016 joules (8784 gigawatt hours, equivalent to 7.6 x 106 tons of TNT or 472.4 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
1994-12-28 12:19:23 UTCM 7.8 / 26.5 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!

Aftershocks of the 7.8 quake Off the East Coast of Honshu, Japan, 1994-12-28 12:19 UTC

More info
Recorded aftershocks, latest first (90 quakes):
  • 03 Sep 1996 09:57 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    74 km (46 mi) distance
    | USGS | Details
  • 13 Aug 1996 02:13 UTC
    | M 5.3 |
    10 km (6.2 mi) depth
    |
    311 km (194 mi) distance
    | USGS | Details
  • 11 Aug 1996 01:59 UTC
    | M 5.2 |
    10 km (6.2 mi) depth
    |
    311 km (193 mi) distance
    | USGS | Details
  • 10 Aug 1996 23:10 UTC
    | M 5.7 |
    10 km (6.2 mi) depth
    |
    301 km (187 mi) distance
    | USGS | Details
  • 10 Aug 1996 18:54 UTC
    | M 5.5 |
    10 km (6.2 mi) depth
    |
    302 km (188 mi) distance
    | USGS | Details
  • 10 Aug 1996 18:12 UTC
    | M 6.0 |
    10 km (6.2 mi) depth
    |
    306 km (190 mi) distance
    | USGS | Strong mag. 6.0 earthquake - Eastern Honshu, Japan, on Saturday, 10 August 1996 at 18:12 (GMT)
  • 04 Aug 1996 23:52 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    53 km (33 mi) distance
    | USGS | Details
  • 03 Jul 1996 18:59 UTC
    | M 5.2 |
    48.6 km (30.2 mi) depth
    |
    74 km (46 mi) distance
    | USGS | Details
  • 25 Jun 1996 21:37 UTC
    | M 5.0 |
    44.9 km (27.9 mi) depth
    |
    79 km (49 mi) distance
    | USGS | Details
  • 23 Apr 1996 04:08 UTC
    | M 5.3 |
    73.2 km (45.5 mi) depth
    |
    222 km (138 mi) distance
    | USGS | Details
  • 19 Feb 1996 12:14 UTC
    | M 5.3 |
    33 km (20.5 mi) depth
    |
    90 km (56 mi) distance
    | USGS | Details
  • 22 Jan 1996 13:14 UTC
    | M 5.4 |
    63 km (39.1 mi) depth
    |
    105 km (65 mi) distance
    | USGS | Details
  • 30 Dec 1995 20:45 UTC
    | M 5.7 |
    30.1 km (18.7 mi) depth
    |
    39 km (24 mi) distance
    | USGS | Details
  • 30 Dec 1995 12:17 UTC
    | M 5.7 |
    33 km (20.5 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 30 Dec 1995 12:11 UTC
    | M 6.3 |
    22 km (13.7 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Strong mag. 6.3 earthquake - Off the East Coast of Honshu, Japan, on Saturday, 30 December 1995 at 12:11 (GMT)
  • 21 Dec 1995 11:38 UTC
    | M 5.3 |
    54.5 km (33.9 mi) depth
    |
    77 km (48 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Major mag. 7.8 earthquake - Off the East Coast of Honshu, Japan, on Wednesday, 28 December 1994 at 12:19 (GMT)
 

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