Very strong mag. 6.5 earthquake - 144 km east of Miyako, Iwate, Japan, on Sunday, October 26, 1952 at 18:02 GMT
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Very strong magnitude 6.5 earthquake at 25 km depth
Magnitude: 6.5
Depth: 25.0 km
Epicenter latitude / longitude: 39.402°N / 143.585°E

Antipode: 39.402°S / 36.415°W
Nearest volcano: Nanashigure (224 km / 139 mi)
Nearby towns and cities:
141 km (87 mi) E of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
144 km (89 mi) E of Miyako (pop: 51,700) --> See nearby quakes!
145 km (90 mi) E of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
148 km (92 mi) E of Kamaishi (pop: 43,100) --> See nearby quakes!
165 km (103 mi) ENE of Ofunato (pop: 35,400) --> See nearby quakes!
177 km (110 mi) E of Tōno (pop: 26,800) --> See nearby quakes!
211 km (131 mi) E of Morioka (pop: 295,200) --> See nearby quakes!
267 km (166 mi) ENE of Sendai (pop: 1,063,100) --> See nearby quakes!
520 km (323 mi) NE of Saitama (pop: 1,193,400) --> See nearby quakes!
537 km (334 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) | 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 |
6.5 | 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.
Aftershocks
[More info]
Recorded aftershocks, latest first (6 quakes)
Date and time![]() | Mag Depth | Location | Details |
Oct 31, 1952 16:37 70 years ago | 6.5 20 km | 144 km SE of Miyako, Iwate, Japan | More |
Oct 28, 1952 16:45 70 years ago | 6.0 15 km | 131 km E of Miyako, Iwate, Japan | More |
Oct 28, 1952 06:31 70 years ago | 6.3 15 km | 120 km E of Miyako, Iwate, Japan | More |
Oct 27, 1952 03:17 70 years ago | 6.5 23 km | 109 km E of Miyako, Iwate, Japan | More |
Oct 26, 1952 20:27 70 years ago | 5.9 23 km | 139 km E of Miyako, Iwate, Japan | More |
Oct 26, 1952 19:19 70 years ago | 6.3 24 km | 107 km E of Miyako, Iwate, Japan | More |
Earlier earthquakes in the same area
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