Strong mag. 6.5 earthquake - Off the East Coast of Honshu, Japan on Friday, 31 October 1952
Magnitude: 6.5
Depth: 20.0 km
Epicenter latitude / longitude: 39.118°N / 143.466°E
(Japan)Nearest volcano: Iwate (226 km / 140 mi)
Nearby towns and cities:
136 km (85 mi) SE of Yamada (pop: 20,100)
138 km (86 mi) E of Ōtsuchi (pop: 16,500)
139 km (86 mi) E of Kamaishi (pop: 43,100)
144 km (89 mi) SE of Miyako (pop: 51,700)
151 km (94 mi) E of Ōfunato (pop: 35,400)
506 km (315 mi) NE of Tokyo (pop: 8,336,600)
Primary data source: USGS
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) [learn more]
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.
| Time | Mag. / Depth | Location | Source |
| Fri, 31 Oct 16:37 UTC | M 6.5 / 20 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.
There are no user reports for this quake yet. If you felt it be the first to report it!
So far, no aftershocks have been registered.
Aftershocks of the 6.5 quake: Off the East Coast of Honshu, Japan, 31 Oct 1952 16:37
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Strong mag. 6.5 earthquake - Off the East Coast of Honshu, Japan on Friday, 31 October 1952Click here to search our database for earlier earthquakes in the same area since 1900!
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