Very strong mag. 6.8 earthquake - North Pacific Ocean, 275 km northeast of Tokyo, Japan, on Tuesday, November 22, 1938 at 01:14 (GMT)
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Very strong magnitude 6.8 earthquake at 25 km depth
Depth: 25.0 km
Epicenter latitude / longitude: 36.661°N / 142.512°E↗ (North Pacific Ocean, Japan)
Antipode: 36.661°S / 37.488°W↗
Nearest volcano: Adatara (226 km / 140 mi)
Nearby towns and cities:
151 km (94 mi) ESE of Iwaki (pop: 357,300) --> See nearby quakes!
158 km (98 mi) E of Kitaibaraki (pop: 50,800) --> See nearby quakes!
166 km (103 mi) E of Hitachi (pop: 186,300) --> See nearby quakes!
179 km (111 mi) E of Hitachi-Naka (pop: 156,800) --> See nearby quakes!
180 km (112 mi) E of Katsuta (pop: 156,000) --> See nearby quakes!
184 km (115 mi) ENE of Kashima-shi (pop: 65,800) --> See nearby quakes!
188 km (117 mi) ENE of Mito (pop: 246,500) --> See nearby quakes!
199 km (124 mi) ENE of Katori-shi (pop: 83,200) --> See nearby quakes!
230 km (143 mi) SE of Sendai (pop: 1,063,100) --> See nearby quakes!
275 km (171 mi) ENE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 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.
|6.8||25 km||off 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 (2 quakes)
|Date and time||Mag|
|Feb 16, 1939 18:51|
83 years ago
|North Pacific Ocean, 249 km NE of Tokyo, Japan||More|
|Nov 30, 1938 02:29|
83 years ago
|North Pacific Ocean, 263 km NE of Tokyo, Japan||More|