Moderate mag. 5.0 earthquake - 96 km west of Noshiro, Akita, Japan, on Wednesday, June 29, 1983 at 05:11 GMT

Moderate mag. 5.0 earthquake - 96 km west of Noshiro, Akita, Japan, on Wednesday, June 29, 1983 at 05:11 GMT Moderate mag. 5.0 earthquake - 96 km west of Noshiro, Akita, Japan, on Wednesday, June 29, 1983 at 05:11 GMT

Moderate magnitude 5.0 earthquake at 22 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.

Earthquake details

Date & timeJun 29, 1983 05:11:55 UTC
Local time at epicenter
Depth21.6 km
Epicenter latitude / longitude40.298°N / 138.906°E (Japan Sea, Japan)
Antipode40.298°S / 41.094°W
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoMegata (80 km / 50 mi)
Nearby towns and cities96 km (59 mi) W of Noshiro (pop: 51,100) | Show on map | Quakes nearby
101 km (62 mi) WNW of Tennō (Katagami) (pop: 22,700) | Show on map | Quakes nearby
122 km (76 mi) WNW of Akita (pop: 320,100) | Show on map | Quakes nearby
137 km (85 mi) WSW of Hirosaki (pop: 175,000) | Show on map | Quakes nearby
140 km (87 mi) W of Ōdate (pop: 64,500) | Show on map | Quakes nearby
165 km (102 mi) WSW of Aomori (pop: 298,400) | Show on map | Quakes nearby
174 km (108 mi) NNW of Sakata (pop: 100,400) | Show on map | Quakes nearby
202 km (126 mi) WNW of Morioka (pop: 295,200) | Show on map | Quakes nearby
282 km (175 mi) NW of Sendai (pop: 1,063,100) | Show on map | Quakes nearby
517 km (321 mi) N of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
Estimated seismic energy released2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) | about seismic energy
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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.
5.022 kmeastern Sea of JapanUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Recorded aftershocks, latest first (2 quakes)

Date and timeMag
Jul 25, 1983 23:17
39 years ago

33 km
92 km W of Noshiro, Akita, JapanMore
Jul 22, 1983 12:16
39 years ago

33 km
83 km W of Noshiro, Akita, JapanMore

Earlier earthquakes in the same area

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