Strong mag. 6.5 earthquake - North Pacific Ocean, 52 km southeast of Shizunai-furukawachō, Hidaka-gun, Hokkaido, Japan, on Monday, 7 October 1968 at 20:49 (GMT)

Strong mag. 6.5 earthquake - North Pacific Ocean, 52 km southeast of Shizunai-furukawachō, Hidaka-gun, Hokkaido, Japan, on Monday, 7 October 1968 at 20:49 (GMT)

Strong magnitude 6.5 earthquake at 35 km depth

Date & time: 7 Oct 1968 20:49:04 UTC
Magnitude: 6.5
Depth: 35.0 km
Epicenter latitude / longitude: 41.965°N / 142.759°E (North Pacific Ocean, Japan)
Nearest volcano: E-san (133 km / 83 mi)
Nearby towns and cities:
52 km (32 mi) SE of Shizunai-furukawachō (pop: 22,400) --> See nearby quakes!
112 km (70 mi) SSW of Obihiro (pop: 173,900) --> See nearby quakes!
120 km (74 mi) SSW of Otofuke (pop: 40,900) --> See nearby quakes!
121 km (75 mi) SE of Tomakomai (pop: 174,800) --> See nearby quakes!
132 km (82 mi) SE of Chitose (pop: 92,900) --> See nearby quakes!
133 km (83 mi) ESE of Shiraoi (pop: 20,800) --> See nearby quakes!
149 km (92 mi) ENE of Mutsu (pop: 49,200) --> See nearby quakes!
149 km (93 mi) SE of Kitahiroshima (pop: 62,400) --> See nearby quakes!
168 km (105 mi) SE of Sapporo (pop: 1,883,000) --> See nearby quakes!
747 km (464 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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 6.535 kmHokkaido, Japan regionUSGS
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 6.5 quake North Pacific Ocean, 52 km southeast of Shizunai-furukawachō, Hidaka-gun, Hokkaido, Japan, 7 October 1968 20:49 GMT

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.
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Earlier earthquakes in the same area since 1900

Strong mag. 6.5 earthquake - North Pacific Ocean, 52 km southeast of Shizunai-furukawachō, Hidaka-gun, Hokkaido, Japan, on Monday, 7 October 1968 at 20:49 (GMT)

Map of earlier quakes

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