Moderate mag. 4.5 earthquake - Japan Sea, 90 km northwest of Noshiro, Akita, Japan, on Wednesday, 22 June 1983 at 00:59 (GMT)
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Moderate magnitude 4.5 earthquake at 33 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 33.0 km
Epicenter latitude / longitude: 40.79°N / 139.296°E (Japan Sea, Japan)
Nearest volcano: Oshima-Ko-jima (76 km / 47 mi)
Nearby towns and cities:
90 km (56 mi) NW of Noshiro (pop: 51,100) --> See nearby quakes!
91 km (56 mi) W of Shimokizukuri (Tsugaru) (pop: 18,900) --> See nearby quakes!
96 km (60 mi) W of Goshogawara (pop: 49,100) --> See nearby quakes!
102 km (63 mi) WNW of Hirosaki (pop: 175,000) --> See nearby quakes!
121 km (75 mi) W of Aomori (pop: 298,400) --> See nearby quakes!
121 km (75 mi) WNW of Ōdate (pop: 64,500) --> See nearby quakes!
138 km (86 mi) NNW of Akita (pop: 320,100) --> See nearby quakes!
199 km (123 mi) NW of Morioka (pop: 295,200) --> See nearby quakes!
305 km (189 mi) SW of Sapporo (pop: 1,883,000) --> See nearby quakes!
568 km (353 mi) N of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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.
|4.5||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.