Very strong mag. 6.4 earthquake - North Pacific Ocean, 105 km southeast of Iwaki, Fukushima, Japan, on Monday, August 25, 1924 at 14:31 (GMT)
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in Japan | Ibaraki | Fukushima | Prefectura de Tochigi | Chiba | Tokyo | Kanagawa
Very strong magnitude 6.4 earthquake at 25 km depth
Depth: 25.0 km
Epicenter latitude / longitude: 36.502°N / 141.846°E↗ (North Pacific Ocean, Japan)
Antipode: 36.502°S / 38.154°W↗
Nearest volcano: Nasu (181 km / 112 mi)
Nearby towns and cities:
103 km (64 mi) ESE of Kitaibaraki (pop: 50,800) --> See nearby quakes!
105 km (65 mi) SE of Iwaki (pop: 357,300) --> See nearby quakes!
107 km (67 mi) E of Hitachi (pop: 186,300) --> See nearby quakes!
118 km (73 mi) E of Hitachi-Naka (pop: 156,800) --> See nearby quakes!
118 km (73 mi) E of Katsuta (pop: 156,000) --> See nearby quakes!
126 km (78 mi) E of Mito (pop: 246,500) --> See nearby quakes!
176 km (109 mi) E of Utsunomiya (pop: 449,900) --> See nearby quakes!
185 km (115 mi) NE of Chiba (pop: 919,700) --> See nearby quakes!
214 km (133 mi) ENE of Tokyo (pop: 8,336,600) --> See nearby quakes!
231 km (143 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.