Moderate mag. 4.6 earthquake - 91 km west of Noshiro, Akita, Japan, on Saturday, June 11, 1983 at 06:14 GMT
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Moderate magnitude 4.6 earthquake at 33 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Earthquake details
Date & time | Jun 11, 1983 06:14:54 UTC |
Local time at epicenter | |
Status | Confirmed |
Magnitude | 4.6 |
Depth | 33.0 km |
Epicenter latitude / longitude | 40°N / 138.989°E ![]() |
Antipode | 40°S / 41.011°W |
Shaking intensity | Light shaking near epicenter |
Felt | 0 reports |
Primary data source | USGS (United States Geological Survey) |
Nearest volcano | Megata (63 km / 39 mi) |
Nearby towns and cities | 84 km (52 mi) W of Tennō (Katagami) (pop: 22,700) | Show on map | Quakes nearby 91 km (57 mi) WSW of Noshiro (pop: 51,100) | Show on map | Quakes nearby 101 km (63 mi) WNW of Akita (pop: 320,100) | Show on map | Quakes nearby 142 km (88 mi) NNW of Sakata (pop: 100,400) | Show on map | Quakes nearby 142 km (88 mi) WSW of Hirosaki (pop: 175,000) | Show on map | Quakes nearby 159 km (99 mi) NNW of Tsuruoka (pop: 99,800) | Show on map | Quakes nearby 173 km (108 mi) WSW of Aomori (pop: 298,400) | Show on map | Quakes nearby 188 km (117 mi) W of Morioka (pop: 295,200) | Show on map | Quakes nearby 252 km (156 mi) NW of Sendai (pop: 1,063,100) | Show on map | Quakes nearby 483 km (300 mi) N of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby |
Estimated seismic energy released | 5 x 1011 joules (139 megawatt hours, equivalent to 120 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.
Mag. | Depth | Location | Source |
4.6 | 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.
Earlier earthquakes in the same area
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