Very strong mag. 6.6 earthquake - North Pacific Ocean, 183 km east of Yuzhno-Kurilsk, Sakhalin Oblast, Russia, on Tuesday, August 19, 1969 at 08:49 (GMT)

Very strong mag. 6.6 earthquake - North Pacific Ocean, 183 km east of Yuzhno-Kurilsk, Sakhalin Oblast, Russia, on Tuesday, August 19, 1969 at 08:49 (GMT)

Very strong magnitude 6.6 earthquake at 27 km depth

Date & time: Aug 19, 1969 08:49:55 UTC
Magnitude: 6.6
Depth: 26.7 km
Epicenter latitude / longitude: 43.731°N / 148.109°E (North Pacific Ocean, Russia)
Antipode: 43.731°S / 31.891°W
Nearest volcano: Urbich Caldera (121 km / 75 mi)
Nearby towns and cities:
112 km (69 mi) E of Shikotan (pop: 2,100) --> See nearby quakes!
167 km (104 mi) S of Kuril'sk (pop: 1,720) --> See nearby quakes!
183 km (114 mi) E of Yuzhno-Kurilsk (pop: 6,470) --> See nearby quakes!
184 km (114 mi) E of Otrada (pop: 3,220) --> See nearby quakes!
209 km (130 mi) ENE of Nemuro (Japan) (pop: 31,200) --> See nearby quakes!
240 km (149 mi) E of Shibetsu (Japan) (pop: 21,700) --> See nearby quakes!
309 km (192 mi) E of Abashiri (Japan) (pop: 42,500) --> See nearby quakes!
313 km (195 mi) ENE of Kushiro (Japan) (pop: 183,600) --> See nearby quakes!
339 km (211 mi) E of Kitami (Japan) (pop: 113,100) --> See nearby quakes!
407 km (253 mi) ENE of Obihiro (Japan) (pop: 173,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 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
6.627 kmeast of the Kuril 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

[More info]

Recorded aftershocks, latest first (19 quakes)

Date and timeMag
Depth
LocationDetails
Feb 3, 1970 19:17
52 years ago
5.7

29 km
North Pacific Ocean, RussiaMore
Feb 2, 1970 18:05
52 years ago
5.8

26 km
North Pacific Ocean, RussiaMore
Feb 2, 1970 17:49
52 years ago
6.0

30 km
North Pacific Ocean, 82 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Feb 2, 1970 17:22
52 years ago
5.7

31 km
North Pacific Ocean, RussiaMore
Dec 28, 1969 04:53
52 years ago
5.7

29 km
North Pacific Ocean, 100 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Oct 25, 1969 12:03
52 years ago
5.6

45 km
North Pacific Ocean, 97 km E of Shikotan, Sakhalin Oblast, RussiaMore
Sep 29, 1969 17:58
52 years ago
5.8

25 km
North Pacific Ocean, 99 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Sep 27, 1969 04:02
52 years ago
5.6

49 km
North Pacific Ocean, 41 km E of Shikotan, Sakhalin Oblast, RussiaMore
Sep 13, 1969 11:52
52 years ago
5.7

34 km
North Pacific Ocean, Russia, 169 km E of Nemuro, Hokkaido, JapanMore
Sep 6, 1969 07:43
52 years ago
5.7

42 km
North Pacific Ocean, 61 km E of Shikotan, Sakhalin Oblast, RussiaMore
Sep 4, 1969 21:12
52 years ago
5.7

30 km
North Pacific Ocean, 59 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 30, 1969 08:28
52 years ago
6.1

27 km
North Pacific Ocean, 90 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 30, 1969 07:54
52 years ago
5.7

35 km
North Pacific Ocean, 63 km S of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, RussiaMore
Aug 30, 1969 07:11
52 years ago
6.4

26 km
North Pacific Ocean, 94 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 28, 1969 21:35
52 years ago
5.8

26 km
North Pacific Ocean, Russia, 177 km E of Nemuro, Hokkaido, JapanMore
Aug 27, 1969 03:26
52 years ago
5.7

35 km
North Pacific Ocean, Russia, 178 km E of Nemuro, Hokkaido, JapanMore
Aug 22, 1969 04:40
52 years ago
5.8

25 km
North Pacific Ocean, Russia, 199 km E of Nemuro, Hokkaido, JapanMore
Aug 21, 1969 13:24
52 years ago
5.8

29 km
North Pacific Ocean, 187 km E of Yuzhno-Kurilsk, Sakhalin Oblast, RussiaMore
Aug 21, 1969 03:32
52 years ago
5.9

27 km
North Pacific Ocean, 84 km SE of Shikotan, Sakhalin Oblast, RussiaMore

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