Very strong mag. 6.3 earthquake - Japan Sea, 86 km west of Noshiro, Akita, Japan, on Thursday, 9 June 1983 at 13:04 (GMT)

Very strong mag. 6.3 earthquake - Japan Sea, 86 km west of Noshiro, Akita, Japan, on Thursday, 9 June 1983 at 13:04 (GMT)

Tremblement de terre très fort magnitude 6.3 at 28 km depth

1 Jan 00:00 UTC: Premier à signaler: USGS après 30 seconds.
Date & time: 9 Jun 1983 13:04:00 UTC
Magnitude: 6.3
Profondeur: 28.0 km
Epicenter latitude / longitude: 40.268°N / 139.023°E (Mer du Japon, Japon)
Volcan le plus près: Megata (70 km / 43 mi)
Nearby towns and cities:
86 km O de Noshiro (pop: 51,100) --> Voir les séismes à proximité!
90 km ONO de Tennō (Katagami) (pop: 22,700) --> Voir les séismes à proximité!
112 km ONO de Akita (pop: 320,100) --> Voir les séismes à proximité!
114 km O de Takanosu (Kitaakita) (pop: 20,500) --> Voir les séismes à proximité!
128 km OSO de Hirosaki (pop: 175,000) --> Voir les séismes à proximité!
130 km O de Ōdate (pop: 64,500) --> Voir les séismes à proximité!
134 km OSO de Goshogawara (pop: 49,100) --> Voir les séismes à proximité!
139 km OSO de Kuroishi (pop: 38,600) --> Voir les séismes à proximité!
366 km SSO de Sapporo (pop: 1,883,000) --> Voir les séismes à proximité!
513 km N de Tokyo (pop: 8,336,600) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) Plus d'infos
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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.
Mag.ProfondeurLieuSource
6.328 kmnear the west 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.
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Aftershocks

More info
Recorded aftershocks, latest first (30 quakes):
  • 23 Sep 1983 11:36 UTC
    | M 5.0 |
    24.9 km (15.5 mi) depth
    |
    55 km (34 mi) distance
    | USGS | Details
  • 23 Sep 1983 11:20 UTC
    | M 5.3 |
    22.9 km (14.2 mi) depth
    |
    58 km (36 mi) distance
    | USGS | Details
  • 18 Sep 1983 13:12 UTC
    | M 4.8 |
    41.2 km (25.6 mi) depth
    |
    62 km (39 mi) distance
    | USGS | Details
  • 25 Jul 1983 23:17 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 25 Jul 1983 06:30 UTC
    | M 4.5 |
    22 km (13.7 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 24 Jul 1983 19:07 UTC
    | M 4.3 |
    33 km (20.5 mi) depth
    |
    57 km (35 mi) distance
    | USGS | Details
  • 24 Jul 1983 15:36 UTC
    | M 4.3 |
    33 km (20.5 mi) depth
    |
    25 km (15 mi) distance
    | USGS | Details
  • 24 Jul 1983 14:52 UTC
    | M 5.1 |
    193.5 km (120.2 mi) depth
    |
    81 km (50 mi) distance
    | USGS | Details
  • 22 Jul 1983 12:16 UTC
    | M 4.8 |
    33 km (20.5 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 20 Jul 1983 21:11 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 17 Jul 1983 17:28 UTC
    | M 4.8 |
    56.4 km (35 mi) depth
    |
    47 km (29 mi) distance
    | USGS | Details
  • 02 Jul 1983 05:32 UTC
    | M 5.1 |
    17.3 km (10.7 mi) depth
    |
    27 km (17 mi) distance
    | USGS | Details
  • 01 Jul 1983 23:32 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    31 km (19 mi) distance
    | USGS | Details
  • 29 Jun 1983 05:11 UTC
    | M 5.0 |
    21.6 km (13.4 mi) depth
    |
    10 km (7 mi) distance
    | USGS | Details
  • 24 Jun 1983 02:09 UTC
    | M 4.3 |
    33 km (20.5 mi) depth
    |
    41 km (26 mi) distance
    | USGS | Details
  • 22 Jun 1983 20:15 UTC
    | M 5.4 |
    17.2 km (10.7 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
    • Show all

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