Moderate mag. 5.0 earthquake - Japan Sea, 96 km west of Noshiro, Akita, Japan, on Wednesday, 29 June 1983 at 05:11 (GMT)

Moderate mag. 5.0 earthquake - Japan Sea, 96 km west of Noshiro, Akita, Japan, on Wednesday, 29 June 1983 at 05:11 (GMT)

Moderate magnitude 5.0 earthquake at 22 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: 29 Jun 1983 05:11:55 UTC
Magnitude: 5
Depth: 21.6 km
Epicenter latitude / longitude: 40.298°N / 138.906°E (Japan Sea, Japan)
Nearest volcano: Megata (80 km / 50 mi)
Nearby towns and cities:
96 km (59 mi) W of Noshiro (pop: 51,100) --> See nearby quakes!
101 km (62 mi) WNW of Tennō (Katagami) (pop: 22,700) --> See nearby quakes!
122 km (76 mi) WNW of Akita (pop: 320,100) --> See nearby quakes!
137 km (85 mi) WSW of Hirosaki (pop: 175,000) --> See nearby quakes!
140 km (87 mi) W of Ōdate (pop: 64,500) --> See nearby quakes!
165 km (102 mi) WSW of Aomori (pop: 298,400) --> See nearby quakes!
174 km (108 mi) NNW of Sakata (pop: 100,400) --> See nearby quakes!
202 km (126 mi) WNW of Morioka (pop: 295,200) --> See nearby quakes!
369 km (229 mi) SW of Sapporo (pop: 1,883,000) --> See nearby quakes!
517 km (321 mi) N of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) 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
5.022 kmeastern Sea of 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 (2 quakes):
  • 25 Jul 1983 23:17 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 22 Jul 1983 12:16 UTC
    | M 4.8 |
    33 km (20.5 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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