Very strong mag. 6.4 earthquake - North Pacific Ocean, 131 km east of Hachinohe, Aomori, Japan, on Tuesday, March 16, 1965 at 16:46 (GMT)

Very strong mag. 6.4 earthquake - North Pacific Ocean, 131 km east of Hachinohe, Aomori, Japan, on Tuesday, March 16, 1965 at 16:46 (GMT)

Very strong magnitude 6.4 earthquake at 32 km depth

Date & time: Mar 16, 1965 16:46:17 UTC
Magnitude: 6.4
Depth: 32.1 km
Epicenter latitude / longitude: 40.697°N / 143.032°E (North Pacific Ocean, Japan)
Antipode: 40.697°S / 36.968°W
Nearest volcano: Osore-yama (168 km / 104 mi)
Nearby towns and cities:
131 km (82 mi) E of Hachinohe (pop: 239,000) --> See nearby quakes!
139 km (86 mi) E of Misawa (pop: 42,800) --> See nearby quakes!
149 km (93 mi) NE of Miyako (pop: 51,700) --> See nearby quakes!
166 km (103 mi) ESE of Mutsu (pop: 49,200) --> See nearby quakes!
187 km (116 mi) NNE of Kamaishi (pop: 43,100) --> See nearby quakes!
194 km (121 mi) E of Aomori (pop: 298,400) --> See nearby quakes!
195 km (121 mi) NE of Morioka (pop: 295,200) --> See nearby quakes!
198 km (123 mi) ENE of Hanawa (Kazuno) (pop: 36,900) --> See nearby quakes!
298 km (185 mi) SSE of Sapporo (pop: 1,883,000) --> See nearby quakes!
629 km (391 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 atomic bombs!) | about seismic energy
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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.
Mag.DepthLocationSource
6.432 kmoff 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.
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Aftershocks

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Recorded aftershocks, latest first (1 quake)

Date and timeMag
Depth
LocationDetails
Mar 29, 1965 10:47
57 years ago
6.4

30 km
North Pacific Ocean, 121 km E of Hachinohe, Aomori, JapanMore

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