Major magnitude 7.2 earthquake - Philippines Sea, 91 km south of Ise, Mie, Japan, on Sunday, January 1, 1984 at 09:03 (GMT)

Major magnitude 7.2 earthquake - Philippines Sea, 91 km south of Ise, Mie, Japan, on Sunday, January 1, 1984 at 09:03 (GMT)

Major magnitude 7.2 earthquake at 368 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Jan 1, 1984 09:03:38 UTC
Magnitude: 7.2
Depth: 368.1 km
Epicenter latitude / longitude: 33.683°N / 136.894°E (Philippine Sea, Japan)
Antipode: 33.683°S / 43.106°W
Nearest volcano: Nanzaki (206 km / 128 mi)
Nearby towns and cities:
77 km (48 mi) ESE of Owase (pop: 22,000) --> See nearby quakes!
84 km (52 mi) E of Shingu (pop: 31,600) --> See nearby quakes!
89 km (55 mi) S of Toba (pop: 23,300) --> See nearby quakes!
91 km (56 mi) SSE of Ise (pop: 97,300) --> See nearby quakes!
122 km (76 mi) SSE of Tsu (pop: 163,500) --> See nearby quakes!
129 km (80 mi) SSW of Toyohashi-shi (pop: 378,400) --> See nearby quakes!
132 km (82 mi) S of Nishio (pop: 103,300) --> See nearby quakes!
150 km (93 mi) SE of Nara (pop: 367,400) --> See nearby quakes!
170 km (106 mi) SE of Osaka (pop: 2,592,400) --> See nearby quakes!
339 km (211 mi) SW of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 1015 joules (1106 gigawatt hours, equivalent to 9.5 x 105 tons of TNT or 59.5 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.
Mag.DepthLocationSource
7.2368 kmnear the south coast of western 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 (39 quakes)

  • 02 Jan 1986 06:04 UTC
    | M 3.9 |
    333.1 km (207 mi) depth
    |
    130 km (81 mi) distance
    | USGS | Details
  • 01 Jan 1986 13:11 UTC
    | M 4.0 |
    339.9 km (211.2 mi) depth
    |
    149 km (93 mi) distance
    | USGS | Details
  • 28 Dec 1985 23:11 UTC
    | M 4.2 |
    354.3 km (220.2 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 11 Dec 1985 10:36 UTC
    | M 4.2 |
    310.8 km (193.1 mi) depth
    |
    136 km (85 mi) distance
    | USGS | Details
  • 09 Dec 1985 22:56 UTC
    | M 4.3 |
    347.3 km (215.8 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 30 Nov 1985 20:49 UTC
    | M 4.7 |
    391.5 km (243.3 mi) depth
    |
    149 km (93 mi) distance
    | USGS | Details
  • 30 Nov 1985 15:21 UTC
    | M 4.8 |
    333.4 km (207.2 mi) depth
    |
    108 km (67 mi) distance
    | USGS | Details
  • 16 Nov 1985 02:46 UTC
    | M 4.0 |
    400.2 km (248.7 mi) depth
    |
    85 km (53 mi) distance
    | USGS | Details
  • 30 Oct 1985 11:29 UTC
    | M 4.4 |
    341.2 km (212 mi) depth
    |
    111 km (69 mi) distance
    | USGS | Details
  • 26 Oct 1985 00:07 UTC
    | M 4.5 |
    355.3 km (220.8 mi) depth
    |
    163 km (102 mi) distance
    | USGS | Details
  • 30 Sep 1985 09:38 UTC
    | M 4.2 |
    23 km (14.3 mi) depth
    |
    163 km (101 mi) distance
    | USGS | Details
  • 12 Sep 1985 07:18 UTC
    | M 4.2 |
    313.9 km (195 mi) depth
    |
    77 km (48 mi) distance
    | USGS | Details
  • 05 Sep 1985 15:33 UTC
    | M 4.9 |
    312.4 km (194.1 mi) depth
    |
    83 km (52 mi) distance
    | USGS | Details
  • 20 Aug 1985 17:27 UTC
    | M 4.2 |
    448.8 km (278.9 mi) depth
    |
    135 km (84 mi) distance
    | USGS | Details
  • 16 Aug 1985 22:38 UTC
    | M 3.3 |
    425 km (264.1 mi) depth
    |
    148 km (92 mi) distance
    | USGS | Details
  • 12 Aug 1985 15:03 UTC
    | M 3.3 |
    402.8 km (250.3 mi) depth
    |
    71 km (44 mi) distance
    | USGS | Details
  • Show all

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