Light mag. 4.4 earthquake - 82 km west of Noshiro, Akita, Japan, on Wednesday, June 15, 1983 at 07:28 GMT

Light magnitude 4.4 earthquake at 33 km depth

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

Earthquake details

Date & time	Jun 15, 1983 07:28:00 UTC
Local time at epicenter
Status	Confirmed
Magnitude	4.4
Depth	33.0 km
Epicenter latitude / longitude	40.459°N / 139.112°E (Japan Sea, Japan)
Antipode	40.459°S / 40.888°W
Shaking intensity	Weak shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Megata (77 km / 48 mi)
Nearby towns and cities	82 km (51 mi) WNW of Noshiro (pop: 51,100) \| Show on map \| Quakes nearby 96 km (59 mi) NW of Tennō (Katagami) (pop: 22,700) \| Show on map \| Quakes nearby 116 km (72 mi) W of Hirosaki (pop: 175,000) \| Show on map \| Quakes nearby 119 km (74 mi) WSW of Goshogawara (pop: 49,100) \| Show on map \| Quakes nearby 119 km (74 mi) NW of Akita (pop: 320,100) \| Show on map \| Quakes nearby 124 km (77 mi) W of Ōdate (pop: 64,500) \| Show on map \| Quakes nearby 143 km (89 mi) WSW of Aomori (pop: 298,400) \| Show on map \| Quakes nearby 193 km (120 mi) WNW of Morioka (pop: 295,200) \| Show on map \| Quakes nearby 287 km (178 mi) NNW of Sendai (pop: 1,063,100) \| Show on map \| Quakes nearby 533 km (331 mi) N of Tokyo (pop: 8,336,600) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	2.5 x 10¹¹ joules (69.8 megawatt hours, equivalent to 60 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.

Mag.	Depth	Location	Source
4.4	33 km	near the west coast of Honshu, Japan	USGS

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User reports for this quake

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