Very strong mag. 6.4 earthquake - North Pacific Ocean, 100 km east of Hitachi, Ibaraki, Japan, on Tuesday, June 23, 1931 at 06:14 (GMT)
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in Japan | Chiba | Ibaraki | Tokyo | Kanagawa
Very strong magnitude 6.4 earthquake at 25 km depth
Depth: 25.0 km
Epicenter latitude / longitude: 36.268°N / 141.684°E↗ (North Pacific Ocean, Japan)
Antipode: 36.268°S / 38.316°W↗
Nearest volcano: Nasu (180 km / 112 mi)
Nearby towns and cities:
97 km (60 mi) NE of Hasaki (pop: 39,200) --> See nearby quakes!
99 km (61 mi) E of Ōarai (Higashiibaraki-gun) (pop: 19,300) --> See nearby quakes!
99 km (62 mi) ENE of Kashima-shi (pop: 65,800) --> See nearby quakes!
100 km (62 mi) ESE of Hitachi (pop: 186,300) --> See nearby quakes!
100 km (62 mi) ESE of Takahagi (pop: 33,600) --> See nearby quakes!
104 km (65 mi) E of Katsuta (pop: 156,000) --> See nearby quakes!
104 km (65 mi) E of Hitachi-Naka (pop: 156,800) --> See nearby quakes!
111 km (69 mi) E of Mito (pop: 246,500) --> See nearby quakes!
191 km (118 mi) ENE of Tokyo (pop: 8,336,600) --> See nearby quakes!
206 km (128 mi) ENE of Yokohama (pop: 3,574,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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.
|6.4||25 km||near the east 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 (0 quakes)
So far, no aftershocks have been registered.