Strong mag. 6.3 earthquake - Saru-gun, 44 km east of Tomakomai, Hokkaido, Japan, on Friday, 23 January 1981 at 04:58 (GMT)
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Strong magnitude 6.3 earthquake at 116 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 116.0 km
Epicenter latitude / longitude: 42.524°N / 142.122°E (Saru-gun, Hokkaido, Japan)
Nearest volcano: Shikotsu (63 km / 39 mi)
Nearby towns and cities:
29 km (18 mi) NW of Shizunai-furukawachō (pop: 22,400) --> See nearby quakes!
44 km (28 mi) ESE of Tomakomai (pop: 174,800) --> See nearby quakes!
51 km (31 mi) SE of Chitose (pop: 92,900) --> See nearby quakes!
68 km (42 mi) SE of Hiroshima (pop: 62,400) --> See nearby quakes!
80 km (50 mi) SE of Ebetsu (pop: 134,000) --> See nearby quakes!
81 km (50 mi) SSE of Iwamizawa (pop: 85,100) --> See nearby quakes!
87 km (54 mi) SE of Sapporo (pop: 1,883,000) --> See nearby quakes!
96 km (60 mi) ENE of Muroran (pop: 96,200) --> See nearby quakes!
99 km (61 mi) WSW of Obihiro (pop: 173,900) --> See nearby quakes!
788 km (490 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||116 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.