Strong mag. 6.3 earthquake - North Pacific Ocean, 228 km east of Hachinohe, Aomori, Japan, on Friday, 17 May 1968 at 16:02 (GMT)

Strong mag. 6.3 earthquake  - North Pacific Ocean, 228 km east of Hachinohe, Aomori, Japan, on Friday, 17 May 1968 at 16:02 (GMT)

Strong magnitude 6.3 earthquake at 20 km depth

Date & time: 17 May 1968 16:02:24 UTC
Magnitude: 6.3
Depth: 20.0 km
Epicenter latitude / longitude: 40.699°N / 144.192°E (North Pacific Ocean, Japan)
Nearby towns and cities:
224 km (139 mi) ENE of Miyako (pop: 51,700) --> See nearby quakes!
228 km (142 mi) E of Hachinohe (pop: 239,000) --> See nearby quakes!
236 km (147 mi) E of Misawa (pop: 42,800) --> See nearby quakes!
254 km (158 mi) S of Kushiro (pop: 183,600) --> See nearby quakes!
258 km (160 mi) ESE of Mutsu (pop: 49,200) --> See nearby quakes!
260 km (162 mi) SSE of Obihiro (pop: 173,900) --> See nearby quakes!
281 km (175 mi) ENE of Morioka (pop: 295,200) --> See nearby quakes!
292 km (181 mi) E of Aomori (pop: 298,400) --> See nearby quakes!
353 km (219 mi) SE of Sapporo (pop: 1,883,000) --> See nearby quakes!
682 km (424 mi) NNE 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 6.320 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 yet. If you felt it be the first to report it!
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Aftershocks of the 6.3 quake North Pacific Ocean, 228 km east of Hachinohe, Aomori, Japan, 17 May 1968 16:02 GMT

More info
Recorded aftershocks, latest first (2 quakes):

Earlier earthquakes in the same area

Strong mag. 6.3 earthquake - North Pacific Ocean, 228 km east of Hachinohe, Aomori, Japan, on Friday, 17 May 1968 at 16:02 (GMT)
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