Major magnitude 7.0 earthquake - Japan Sea, 25 km west of Tennō, Katagami, Akita, Japan, on Monday, May 1, 1939 at 05:58 (GMT)
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Major magnitude 7.0 earthquake at 10 km depth
Depth: 10.0 km
Epicenter latitude / longitude: 39.945°N / 139.682°E↗ (Japan Sea, Japan)
Antipode: 39.945°S / 40.318°W↗
Nearest volcano: Megata (4 km / 2 mi)
Nearby towns and cities:
25 km (15 mi) W of Tennō (Katagami) (pop: 22,700) --> See nearby quakes!
42 km (26 mi) SW of Noshiro (pop: 51,100) --> See nearby quakes!
45 km (28 mi) NW of Akita (pop: 320,100) --> See nearby quakes!
66 km (41 mi) WSW of Takanosu (Kitaakita) (pop: 20,500) --> See nearby quakes!
83 km (51 mi) WSW of Ōdate (pop: 64,500) --> See nearby quakes!
88 km (55 mi) NW of Ōmagari (pop: 38,800) --> See nearby quakes!
98 km (61 mi) WSW of Hanawa (Kazuno) (pop: 36,900) --> See nearby quakes!
98 km (61 mi) SW of Hirosaki (pop: 175,000) --> See nearby quakes!
213 km (132 mi) NNW of Sendai (pop: 1,063,100) --> See nearby quakes!
473 km (294 mi) N of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1015 joules (554 gigawatt hours, equivalent to 4.8 x 105 tons of TNT or 29.8 atomic bombs!) 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.
|7.0||10 km||near the west coast of Honshu, 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 (1 quake)
- 01 May 1939 16:05 UTC| M 6.5 |10 km (6.2 mi) depth|10 km (6 mi) distance| USGS | Major magnitude 6.5 earthquake - Japan Sea, 16 km northwest of Tennō, Katagami, Akita, Japan, on Monday, May 1, 1939 at 16:05 (GMT)