Very strong mag. 6.3 earthquake - Samani-gun, 79 km south of Obihiro, Hokkaido, Japan, on Monday, 16 February 1931 at 18:48 (GMT)
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Very strong magnitude 6.3 earthquake at 25 km depth
Depth: 25.0 km
Epicenter latitude / longitude: 42.211°N / 143.07°E (Samani-gun, Hokkaido, Japan)
Nearest volcano: Shikaribetsu Group (117 km / 73 mi)
Nearby towns and cities:
59 km (37 mi) ESE of Shizunai-furukawachō (pop: 22,400) --> See nearby quakes!
79 km (49 mi) S of Obihiro (pop: 173,900) --> See nearby quakes!
87 km (54 mi) S of Otofuke (pop: 40,900) --> See nearby quakes!
129 km (80 mi) ESE of Tomakomai (pop: 174,800) --> See nearby quakes!
134 km (84 mi) ESE of Chitose (pop: 92,900) --> See nearby quakes!
137 km (85 mi) SW of Kushiro (pop: 183,600) --> See nearby quakes!
139 km (86 mi) SSE of Shimo-furano (Furano) (pop: 25,900) --> See nearby quakes!
150 km (93 mi) SE of Hiroshima (pop: 62,400) --> See nearby quakes!
170 km (106 mi) ESE of Sapporo (pop: 1,883,000) --> See nearby quakes!
782 km (486 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
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.
|6.3||25 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.
More infoRecorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.