Moderate mag. 4.6 earthquake - Japan Sea, 91 km west of Noshiro, Akita, Japan, on Saturday, 11 June 1983 at 06:14 (GMT)

Moderate mag. 4.6 earthquake - Japan Sea, 91 km west of Noshiro, Akita, Japan, on Saturday, 11 June 1983 at 06:14 (GMT)

Moderate magnitude 4.6 earthquake at 33 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: 11 Jun 1983 06:14:54 UTC
Magnitude: 4.6
Depth: 33.0 km
Epicenter latitude / longitude: 40°N / 138.989°E (Japan Sea, Japan)
Nearest volcano: Megata (63 km / 39 mi)
Nearby towns and cities:
84 km (52 mi) W of Tennō (Katagami) (pop: 22,700) --> See nearby quakes!
91 km (57 mi) WSW of Noshiro (pop: 51,100) --> See nearby quakes!
101 km (63 mi) WNW of Akita (pop: 320,100) --> See nearby quakes!
142 km (88 mi) NNW of Sakata (pop: 100,400) --> See nearby quakes!
142 km (88 mi) WSW of Hirosaki (pop: 175,000) --> See nearby quakes!
159 km (99 mi) NNW of Tsuruoka (pop: 99,800) --> See nearby quakes!
173 km (108 mi) WSW of Aomori (pop: 298,400) --> See nearby quakes!
188 km (117 mi) W of Morioka (pop: 295,200) --> See nearby quakes!
252 km (156 mi) NW of Sendai (pop: 1,063,100) --> See nearby quakes!
483 km (300 mi) N of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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
4.633 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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