Moderate mag. 5.0 earthquake - Japan Sea, 92 km west of Noshiro, Akita, Japan, on Monday, 25 July 1983 at 23:17 (GMT)

Moderate mag. 5.0 earthquake - Japan Sea, 92 km west of Noshiro, Akita, Japan, on Monday, 25 July 1983 at 23:17 (GMT)

Moderate magnitude 5.0 earthquake at 33 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: 25 Jul 1983 23:17:44 UTC
Magnitude: 5
Depth: 33.0 km
Epicenter latitude / longitude: 40.153°N / 138.945°E (Japan Sea, Japan)
Nearest volcano: Megata (71 km / 44 mi)
Nearby towns and cities:
91 km (57 mi) WNW of Tennō (Katagami) (pop: 22,700) --> See nearby quakes!
92 km (57 mi) W of Noshiro (pop: 51,100) --> See nearby quakes!
111 km (69 mi) WNW of Akita (pop: 320,100) --> See nearby quakes!
138 km (86 mi) W of Ōdate (pop: 64,500) --> See nearby quakes!
138 km (86 mi) WSW of Hirosaki (pop: 175,000) --> See nearby quakes!
158 km (98 mi) NNW of Sakata (pop: 100,400) --> See nearby quakes!
168 km (105 mi) WSW of Aomori (pop: 298,400) --> See nearby quakes!
195 km (121 mi) WNW of Morioka (pop: 295,200) --> See nearby quakes!
381 km (237 mi) SSW of Sapporo (pop: 1,883,000) --> See nearby quakes!
501 km (311 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
5.033 kmeastern Sea of JapanUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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Aftershocks

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Recorded aftershocks, latest first (0 quakes):
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