Strong mag. 6.3 earthquake - North Pacific Ocean, 401 km northeast of Tokyo, Japan, on Wednesday, 25 April 1962 at 15:47 (GMT)
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Strong magnitude 6.3 earthquake at 35 km depth
Magnitude: 6.3
Depth: 35.0 km
Epicenter latitude / longitude: 38.258°N / 142.864°E

Nearest volcano: Narugo (193 km / 120 mi)
Nearby towns and cities:
135 km (84 mi) SE of Ōfunato (pop: 35,400) --> See nearby quakes!
138 km (85 mi) E of Ishinomaki (pop: 117,200) --> See nearby quakes!
142 km (89 mi) SE of Kamaishi (pop: 43,100) --> See nearby quakes!
145 km (90 mi) E of Yamoto (Higashimatsushima) (pop: 32,000) --> See nearby quakes!
149 km (93 mi) SE of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
160 km (99 mi) E of Shiogama (pop: 59,500) --> See nearby quakes!
170 km (106 mi) E of Furukawa (pop: 76,300) --> See nearby quakes!
174 km (108 mi) E of Sendai (pop: 1,063,100) --> See nearby quakes!
386 km (240 mi) NE of Saitama (pop: 1,193,400) --> See nearby quakes!
401 km (249 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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.
Magnitude | Depth | Location | Source |
M 6.3 | 35 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.
be the first to report it!
There are no user reports for this quake yet. If you felt it Aftershocks of the 6.3 quake North Pacific Ocean, 401 km northeast of Tokyo, Japan, 25 April 1962 15:47 GMT
More info
Recorded aftershocks, latest first (1 quakes):- 27 Aug 1962 16:20 UTC| M 5.7 |30 km (18.6 mi) depth|14 km (9 mi) distance| USGS | Details
Earlier earthquakes in the same area
Strong mag. 6.3 earthquake - North Pacific Ocean, 401 km northeast of Tokyo, Japan, on Wednesday, 25 April 1962 at 15:47 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!