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Very strong mag. 6.8 earthquake - 137 km east of Shikotan, Sakhalin Oblast, Russia, on Tuesday, August 12, 1969 at 05:53 GMT

Very strong mag. 6.8 earthquake - 137 km east of Shikotan, Sakhalin Oblast, Russia, on Tuesday, August 12, 1969 at 05:53 GMT Very strong mag. 6.8 earthquake - 137 km east of Shikotan, Sakhalin Oblast, Russia, on Tuesday, August 12, 1969 at 05:53 GMT

Very strong magnitude 6.8 earthquake at 29 km depth

Date & time: Aug 12, 1969 05:53:30 UTC
Magnitude: 6.8
Depth: 29.3 km
Epicenter latitude / longitude: 43.789°N / 148.424°E (North Pacific Ocean, Russia)
Antipode: 43.789°S / 31.576°W
Nearest volcano: Urbich Caldera (133 km / 83 mi)
Nearby towns and cities:
137 km (85 mi) E of Shikotan (pop: 2,100) --> See nearby quakes!
166 km (103 mi) SSE of Kuril'sk (pop: 1,720) --> See nearby quakes!
207 km (129 mi) E of Yuzhno-Kurilsk (pop: 6,470) --> See nearby quakes!
207 km (129 mi) E of Otrada (pop: 3,220) --> See nearby quakes!
235 km (146 mi) ENE of Nemuro (Japan) (pop: 31,200) --> See nearby quakes!
265 km (165 mi) E of Shibetsu (Japan) (pop: 21,700) --> See nearby quakes!
334 km (207 mi) E of Abashiri (Japan) (pop: 42,500) --> See nearby quakes!
340 km (211 mi) ENE of Kushiro (Japan) (pop: 183,600) --> See nearby quakes!
347 km (216 mi) E of Motomachi (Abashiri District, Japan) (pop: 23,000) --> See nearby quakes!
364 km (226 mi) E of Kitami (Japan) (pop: 113,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 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
6.829 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 (35 quakes)

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

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

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

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

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

29 km
100 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Oct 25, 1969 12:03
53 years ago
5.6

45 km
97 km E of Shikotan, Sakhalin Oblast, RussiaMore
Sep 29, 1969 17:58
53 years ago
5.8

25 km
99 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Sep 27, 1969 04:02
53 years ago
5.6

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

34 km
Russia, 169 km E of Nemuro, Hokkaido, JapanMore
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 07:54
53 years ago
5.7

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

26 km
94 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 28, 1969 21:35
53 years ago
5.8

26 km
Russia, 177 km E of Nemuro, Hokkaido, JapanMore
Aug 27, 1969 03:26
53 years ago
5.7

35 km
Russia, 178 km E of Nemuro, Hokkaido, JapanMore
Aug 22, 1969 04:40
53 years ago
5.8

25 km
Russia, 199 km E of Nemuro, Hokkaido, JapanMore
Aug 21, 1969 13:24
53 years ago
5.8

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

27 km
84 km SE of Shikotan, 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
Aug 16, 1969 17:13
53 years ago
5.6

33 km
Russia, 170 km E of Nemuro, Hokkaido, JapanMore
Aug 16, 1969 15:15
53 years ago
5.8

33 km
90 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Aug 15, 1969 10:02
53 years ago
6.1

25 km
148 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Aug 15, 1969 04:32
53 years ago
6.3

19 km
Russia, 187 km E of Nemuro, Hokkaido, JapanMore
Aug 14, 1969 14:19
53 years ago
7.1

28 km
92 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Aug 13, 1969 22:57
53 years ago
6.3

31 km
191 km E of Yuzhno-Kurilsk, Sakhalin Oblast, RussiaMore
Aug 13, 1969 08:31
53 years ago
6.1

35 km
93 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 13, 1969 03:29
53 years ago
5.8

35 km
72 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Aug 12, 1969 23:05
53 years ago
6.0

31 km
Russia, 188 km E of Nemuro, Hokkaido, JapanMore
Aug 12, 1969 13:18
53 years ago
5.8

27 km
195 km E of Yuzhno-Kurilsk, Sakhalin Oblast, RussiaMore
Aug 12, 1969 11:21
53 years ago
6.8

19 km
161 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 12, 1969 09:33
53 years ago
6.1

31 km
83 km E of Shikotan, Sakhalin Oblast, RussiaMore
Aug 12, 1969 09:25
53 years ago
6.0

26 km
96 km SE of Shikotan, Sakhalin Oblast, RussiaMore
Aug 12, 1969 07:10
53 years ago
5.6

35 km
189 km E of Yuzhno-Kurilsk, Sakhalin Oblast, RussiaMore

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