Moderate mag. 5.0 earthquake - 92 km west of Noshiro, Akita, Japan, on Monday, July 25, 1983 at 23:17 GMT
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Moderate magnitude 5.0 earthquake at 33 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
|Date & time||Jul 25, 1983 23:17:44 UTC|
|Local time at epicenter|
|Epicenter latitude / longitude||40.153°N / 138.945°E (Japan Sea, Japan)|
|Antipode||40.153°S / 41.055°W|
|Shaking intensity||Light shaking near epicenter|
|Primary data source||USGS (United States Geological Survey)|
|Nearest volcano||Megata (71 km / 44 mi)|
|Nearby towns and cities||91 km (57 mi) WNW of Tennō (Katagami) (pop: 22,700) | Show on map | Quakes nearby|
92 km (57 mi) W of Noshiro (pop: 51,100) | Show on map | Quakes nearby
111 km (69 mi) WNW of Akita (pop: 320,100) | Show on map | Quakes nearby
138 km (86 mi) W of Ōdate (pop: 64,500) | Show on map | Quakes nearby
138 km (86 mi) WSW of Hirosaki (pop: 175,000) | Show on map | Quakes nearby
158 km (98 mi) NNW of Sakata (pop: 100,400) | Show on map | Quakes nearby
168 km (105 mi) WSW of Aomori (pop: 298,400) | Show on map | Quakes nearby
195 km (121 mi) WNW of Morioka (pop: 295,200) | Show on map | Quakes nearby
267 km (166 mi) NW of Sendai (pop: 1,063,100) | Show on map | Quakes nearby
501 km (311 mi) N of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
|Estimated seismic energy released||2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) | about seismic energy|
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.
|5.0||33 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.
Recorded aftershocks, latest first (0 quake)
So far, no aftershocks have been registered.