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Very strong mag. 6.3 earthquake - 191 km east of Yuzhno-Kurilsk, Sakhalin Oblast, Russia, on Wednesday, August 13, 1969 at 22:57 GMT

Very strong mag. 6.3 earthquake - 191 km east of Yuzhno-Kurilsk, Sakhalin Oblast, Russia, on Wednesday, August 13, 1969 at 22:57 GMT Very strong mag. 6.3 earthquake - 191 km east of Yuzhno-Kurilsk, Sakhalin Oblast, Russia, on Wednesday, August 13, 1969 at 22:57 GMT

Very strong magnitude 6.3 earthquake at 31 km depth

Date & time: Aug 13, 1969 22:57:09 UTC
Magnitude: 6.3
Depth: 31.0 km
Epicenter latitude / longitude: 44.14°N / 148.242°E (North Pacific Ocean, Russia)
Antipode: 44.14°S / 31.758°W
Nearest volcano: Urbich Caldera (98 km / 61 mi)
Nearby towns and cities:
124 km (77 mi) SSE of Kuril'sk (pop: 1,720) --> See nearby quakes!
127 km (79 mi) ENE of Shikotan (pop: 2,100) --> See nearby quakes!
190 km (118 mi) E of Otrada (pop: 3,220) --> See nearby quakes!
191 km (118 mi) E of Yuzhno-Kurilsk (pop: 6,470) --> See nearby quakes!
233 km (145 mi) ENE of Nemuro (Japan) (pop: 31,200) --> See nearby quakes!
255 km (158 mi) ENE of Shibetsu (Japan) (pop: 21,700) --> See nearby quakes!
318 km (197 mi) E of Abashiri (Japan) (pop: 42,500) --> See nearby quakes!
334 km (207 mi) E of Motomachi (Abashiri District, Japan) (pop: 23,000) --> See nearby quakes!
338 km (210 mi) ENE of Kushiro (Japan) (pop: 183,600) --> See nearby quakes!
350 km (218 mi) E of Kitami (Japan) (pop: 113,100) --> 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!) | about seismic energy
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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.
Mag.DepthLocationSource
6.331 kmKuril Islands (Russia)USGS
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.
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Aftershocks

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Recorded aftershocks, latest first (8 quakes)

Date and timeMag
Depth		LocationDetails
Oct 25, 1969 12:03
53 years ago
5.6

45 km		97 km E of Shikotan, Sakhalin Oblast, RussiaMore
Sep 6, 1969 07:43
53 years ago
5.7

42 km		61 km E of Shikotan, Sakhalin Oblast, RussiaMore
Sep 4, 1969 21:12
53 years ago
5.7

30 km		59 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 30, 1969 08:28
53 years ago
6.1

27 km		90 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 30, 1969 07:11
53 years ago
6.4

26 km		94 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 21, 1969 13:24
53 years ago
5.8

29 km		187 km E of Yuzhno-Kurilsk, Sakhalin Oblast, RussiaMore
Aug 19, 1969 08:49
53 years ago
6.6

27 km		183 km E of Yuzhno-Kurilsk, Sakhalin Oblast, RussiaMore
Aug 18, 1969 11:43
53 years ago
5.8

25 km		143 km E of Shikotan, Sakhalin Oblast, RussiaMore

Earlier earthquakes in the same area

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