Moderate mag. 4.7 earthquake - Japan Sea, 87 km west of Noshiro, Akita, Japan, on Sunday, 12 June 1983 at 03:00 (GMT)

Moderate mag. 4.7 earthquake - Japan Sea, 87 km west of Noshiro, Akita, Japan, on Sunday, 12 June 1983 at 03:00 (GMT)

Moderate magnitude 4.7 earthquake at 33 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: 12 Jun 1983 03:00:11 UTC
Magnitude: 4.7
Depth: 33.0 km
Epicenter latitude / longitude: 40.232°N / 139.002°E (Japan Sea, Japan)
Nearest volcano: Megata (69 km / 43 mi)
Nearby towns and cities:
87 km (54 mi) W of Noshiro (pop: 51,100) --> See nearby quakes!
90 km (56 mi) WNW of Tennō (Katagami) (pop: 22,700) --> See nearby quakes!
111 km (69 mi) WNW of Akita (pop: 320,100) --> See nearby quakes!
131 km (81 mi) WSW of Hirosaki (pop: 175,000) --> See nearby quakes!
132 km (82 mi) W of Ōdate (pop: 64,500) --> See nearby quakes!
160 km (100 mi) WSW of Aomori (pop: 298,400) --> See nearby quakes!
164 km (102 mi) NNW of Sakata (pop: 100,400) --> See nearby quakes!
192 km (120 mi) WNW of Morioka (pop: 295,200) --> See nearby quakes!
371 km (230 mi) SSW of Sapporo (pop: 1,883,000) --> See nearby quakes!
509 km (316 mi) N of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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
4.733 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

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