Strong mag. 6.3 earthquake - North Pacific Ocean, 49 km east of Kasakai-jima Island, Japan, on Friday, 5 July 1968 at 11:28 (GMT)
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Strong magnitude 6.3 earthquake at 47 km depth
Magnitude: 6.3
Depth: 47.0 km
Epicenter latitude / longitude: 38.478°N / 142.153°E

Nearest volcano: Narugo (127 km / 79 mi)
Nearby towns and cities:
75 km (46 mi) E of Ishinomaki (pop: 117,200) --> See nearby quakes!
76 km (47 mi) SSE of Ōfunato (pop: 35,400) --> See nearby quakes!
82 km (51 mi) E of Yamoto (Higashimatsushima) (pop: 32,000) --> See nearby quakes!
89 km (55 mi) E of Wakuya (Tōda Gun) (pop: 18,300) --> See nearby quakes!
92 km (57 mi) SSE of Kamaishi (pop: 43,100) --> See nearby quakes!
96 km (60 mi) E of Matsushima (pop: 16,400) --> See nearby quakes!
96 km (60 mi) E of Kogota (Tōda Gun) (pop: 19,800) --> See nearby quakes!
99 km (62 mi) E of Shiogama (pop: 59,500) --> See nearby quakes!
361 km (225 mi) NE of Saitama (pop: 1,193,400) --> See nearby quakes!
379 km (236 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 | 47 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.
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So far, no aftershocks have been registered.
There are no user reports for this quake yet. If you felt it Aftershocks of the 6.3 quake North Pacific Ocean, 49 km east of Kasakai-jima Island, Japan, 5 July 1968 11:28 GMT
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Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Strong mag. 6.3 earthquake - North Pacific Ocean, 49 km east of Kasakai-jima Island, Japan, on Friday, 5 July 1968 at 11:28 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!