Strong mag. 6.3 earthquake - North Pacific Ocean, 401 km northeast of Tokyo, Japan, on Wednesday, 25 April 1962 at 15:47 (GMT)

Strong mag. 6.3 earthquake - North Pacific Ocean, 401 km northeast of Tokyo, Japan, on Wednesday, 25 April 1962 at 15:47 (GMT)

Strong magnitude 6.3 earthquake at 35 km depth

Date & time: 25 Apr 1962 15:47:28 UTC
Magnitude: 6.3
Depth: 35.0 km
Epicenter latitude / longitude: 38.258°N / 142.864°E (North Pacific Ocean, Japan)
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
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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.
MagnitudeDepthLocationSource
M 6.335 kmnear the east coast of Honshu, JapanUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from 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!
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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

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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)
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