Moderate mag. 4.5 earthquake - Japan Sea, 116 km west of Noshiro, Akita, Japan, on Monday, 25 July 1983 at 06:30 (GMT)
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Moderate magnitude 4.5 earthquake at 22 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 22.0 km
Epicenter latitude / longitude: 40.025°N / 138.684°E (Japan Sea, Japan)
Nearest volcano: Megata (90 km / 56 mi)
Nearby towns and cities:
110 km (68 mi) W of Tennō (Katagami) (pop: 22,700) --> See nearby quakes!
116 km (72 mi) W of Noshiro (pop: 51,100) --> See nearby quakes!
127 km (79 mi) WNW of Akita (pop: 320,100) --> See nearby quakes!
159 km (99 mi) NW of Sakata (pop: 100,400) --> See nearby quakes!
164 km (102 mi) WSW of Hirosaki (pop: 175,000) --> See nearby quakes!
175 km (109 mi) NW of Tsuruoka (pop: 99,800) --> See nearby quakes!
195 km (121 mi) WSW of Aomori (pop: 298,400) --> See nearby quakes!
214 km (133 mi) W of Morioka (pop: 295,200) --> See nearby quakes!
405 km (251 mi) SW of Sapporo (pop: 1,883,000) --> See nearby quakes!
490 km (305 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||22 km||eastern Sea of Japan||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.