Strong mag. 6.5 earthquake - Hokkaido, Japan Region, on Sunday, 6 December 1970 at 20:20 (GMT)
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Strong magnitude 6.5 earthquake at 40 km depth
Depth: 40.0 km
Epicenter latitude / longitude: 41.787°N / 143.742°E (Japan)
Nearest volcano: Shikaribetsu Group (173 km / 107 mi)
Nearby towns and cities:
129 km (80 mi) ESE of Shizunai-furukawachō (pop: 22,400) --> See nearby quakes!
133 km (83 mi) SSE of Obihiro (pop: 173,900) --> See nearby quakes!
141 km (88 mi) SSE of Otofuke (pop: 40,900) --> See nearby quakes!
142 km (88 mi) SSW of Kushiro (pop: 183,600) --> See nearby quakes!
200 km (124 mi) ESE of Tomakomai (pop: 174,800) --> See nearby quakes!
207 km (128 mi) ESE of Chitose (pop: 92,900) --> See nearby quakes!
225 km (140 mi) S of Kitami (pop: 113,100) --> See nearby quakes!
232 km (144 mi) SE of Ebetsu (pop: 134,000) --> See nearby quakes!
243 km (151 mi) SE of Sapporo (pop: 1,883,000) --> See nearby quakes!
764 km (474 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
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.
|M 6.5||40 km||Hokkaido, Japan region||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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Aftershocks of the 6.5 quake Hokkaido, Japan Region, 6 December 1970 20:20 GMT
More infoRecorded aftershocks, latest first (1 quakes):
- 15 Mar 1971 05:35 UTC| M 5.7 |33.5 km (20.8 mi) depth|13 km (8 mi) distance| USGS | Details