Very strong mag. 6.9 earthquake - 143 km east of Shikotan, Sakhalin Oblast, Russia, on Monday, April 14, 1947 at 07:15 GMT
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Very strong magnitude 6.9 earthquake at 30 km depth
Depth: 30.0 km
Epicenter latitude / longitude: 43.891°N / 148.504°E (North Pacific Ocean, Russia)
Antipode: 43.891°S / 31.496°W
Nearest volcano: Urbich Caldera (131 km / 81 mi)
Nearby towns and cities:
143 km (89 mi) E of Shikotan (pop: 2,100) --> See nearby quakes!
157 km (97 mi) SSE of Kuril'sk (pop: 1,720) --> See nearby quakes!
212 km (132 mi) E of Yuzhno-Kurilsk (pop: 6,470) --> See nearby quakes!
212 km (132 mi) E of Otrada (pop: 3,220) --> See nearby quakes!
244 km (152 mi) ENE of Nemuro (Japan) (pop: 31,200) --> See nearby quakes!
272 km (169 mi) E of Shibetsu (Japan) (pop: 21,700) --> See nearby quakes!
339 km (211 mi) E of Abashiri (Japan) (pop: 42,500) --> See nearby quakes!
349 km (217 mi) ENE of Kushiro (Japan) (pop: 183,600) --> See nearby quakes!
354 km (220 mi) E of Motomachi (Abashiri District, Japan) (pop: 23,000) --> See nearby quakes!
370 km (230 mi) E of Kitami (Japan) (pop: 113,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 atomic bombs!) | about seismic energy
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.
|6.9||30 km||east of the Kuril Islands (Russia)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (0 quake)
So far, no aftershocks have been registered.