Moderate mag. 4.8 earthquake - Japan Sea, 83 km west of Noshiro, Akita, Japan, on Friday, 22 July 1983 at 12:16 (GMT)
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Moderate magnitude 4.8 earthquake at 33 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 33.0 km
Epicenter latitude / longitude: 40.18°N / 139.049°E (Japan Sea, Japan)
Nearest volcano: Megata (63 km / 39 mi)
Nearby towns and cities:
83 km (52 mi) W of Noshiro (pop: 51,100) --> See nearby quakes!
84 km (52 mi) WNW of Tennō (Katagami) (pop: 22,700) --> See nearby quakes!
105 km (65 mi) WNW of Akita (pop: 320,100) --> See nearby quakes!
129 km (80 mi) W of Ōdate (pop: 64,500) --> See nearby quakes!
129 km (80 mi) WSW of Hirosaki (pop: 175,000) --> See nearby quakes!
157 km (97 mi) NNW of Sakata (pop: 100,400) --> See nearby quakes!
159 km (99 mi) WSW of Aomori (pop: 298,400) --> See nearby quakes!
187 km (116 mi) WNW of Morioka (pop: 295,200) --> See nearby quakes!
374 km (232 mi) SSW of Sapporo (pop: 1,883,000) --> See nearby quakes!
503 km (312 mi) N of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 tons of TNT) More info
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.
|4.8||33 km||near the west coast of Honshu, Japan||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.