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Strong mag. 6.3 earthquake - 49 km east of Kasakai-jima Island, Japan, on Friday, July 5, 1968 at 11:28 GMT

Strong mag. 6.3 earthquake - 49 km east of Kasakai-jima Island, Japan, on Friday, July 5, 1968 at 11:28 GMT Strong mag. 6.3 earthquake - 49 km east of Kasakai-jima Island, Japan, on Friday, July 5, 1968 at 11:28 GMT

Strong magnitude 6.3 earthquake at 47 km depth

Earthquake details

Date & timeJul 5, 1968 11:28:14 UTC
Local time at epicenter
Depth47.0 km
Epicenter latitude / longitude38.478°N / 142.153°E (North Pacific Ocean, Japan)
Antipode38.478°S / 37.847°W
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoNarugo (127 km / 79 mi)
Nearby towns and cities75 km (46 mi) E of Ishinomaki (pop: 117,200) | Show on map | Quakes nearby
76 km (47 mi) SSE of Ofunato (pop: 35,400) | Show on map | Quakes nearby
82 km (51 mi) E of Yamoto (Higashimatsushima) (pop: 32,000) | Show on map | Quakes nearby
89 km (55 mi) E of Wakuya (Tōda Gun) (pop: 18,300) | Show on map | Quakes nearby
92 km (57 mi) SSE of Kamaishi (pop: 43,100) | Show on map | Quakes nearby
96 km (60 mi) E of Matsushima (pop: 16,400) | Show on map | Quakes nearby
96 km (60 mi) E of Kogota (Tōda Gun) (pop: 19,800) | Show on map | Quakes nearby
99 km (62 mi) E of Schiogama (pop: 59,500) | Show on map | Quakes nearby
115 km (71 mi) ENE of Sendai (pop: 1,063,100) | Show on map | Quakes nearby
379 km (236 mi) NE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
Estimated seismic energy released1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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.
6.347 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.


[More info]

Recorded aftershocks, latest first (0 quake)

So far, no aftershocks have been registered.

Earlier earthquakes in the same area

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