Strong mag. 6.7 earthquake - Hokkaido, Japan Region, on Sunday, 21 March 1982 at 02:32 (GMT)

Strong mag. 6.7 earthquake - Hokkaido, Japan Region, on Sunday, 21 March 1982 at 02:32 (GMT)

Strong magnitude 6.7 earthquake at 44 km depth

Date & time: 21 Mar 1982 02:32:07 UTC
Magnitude: 6.7
Depth: 44.0 km
Epicenter latitude / longitude: 42.158°N / 142.361°E (Japan)
Nearest volcano: Shikotsu (100 km / 62 mi)
Nearby towns and cities:
20 km (12 mi) S of Shizunai-furukawachō (pop: 22,400) --> See nearby quakes!
82 km (51 mi) SE of Tomakomai (pop: 174,800) --> See nearby quakes!
94 km (58 mi) SE of Chitose (pop: 92,900) --> See nearby quakes!
94 km (58 mi) ESE of Shiraoi (pop: 20,800) --> See nearby quakes!
109 km (68 mi) SW of Obihiro (pop: 173,900) --> See nearby quakes!
112 km (69 mi) SE of Kitahiroshima (pop: 62,400) --> See nearby quakes!
114 km (71 mi) E of Muroran (pop: 96,200) --> See nearby quakes!
125 km (78 mi) SSE of Ebetsu (pop: 134,000) --> See nearby quakes!
131 km (81 mi) SE of Sapporo (pop: 1,883,000) --> See nearby quakes!
756 km (469 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1014 joules (197 gigawatt hours, equivalent to 1.7 x 105 tons of TNT or 10.6 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 6.744 kmHokkaido, Japan regionUSGS
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 6.7 quake Hokkaido, Japan Region, 21 March 1982 02:32 GMT

More info
Recorded aftershocks, latest first (135 quakes):
  • 12 Sep 1982 03:42 UTC
    | M 4.8 |
    70 km (43.5 mi) depth
    |
    28 km (17 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14008 km (8704 mi) distance
    | | Details
  • 09 Sep 1982 22:13 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    92 km (57 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14008 km (8704 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14008 km (8704 mi) distance
    | | Details
  • 07 Sep 1982 15:51 UTC
    | M 4.6 |
    57.5 km (35.7 mi) depth
    |
    47 km (29 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14008 km (8704 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14008 km (8704 mi) distance
    | | Details
  • 19 Aug 1982 11:02 UTC
    | M 4.5 |
    64.4 km (40 mi) depth
    |
    31 km (19 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14008 km (8704 mi) distance
    | | Details
  • 19 Aug 1982 08:12 UTC
    | M 4.7 |
    173.5 km (107.8 mi) depth
    |
    125 km (77 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14008 km (8704 mi) distance
    | | Details
  • 14 Aug 1982 20:23 UTC
    | M 4.7 |
    98 km (60.9 mi) depth
    |
    89 km (55 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14008 km (8704 mi) distance
    | | Details
  • 23 Jul 1982 14:06 UTC
    | M 4.4 |
    74.9 km (46.5 mi) depth
    |
    7 km (5 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14008 km (8704 mi) distance
    | | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 6.7 earthquake - Hokkaido, Japan Region, on Sunday, 21 March 1982 at 02:32 (GMT)
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