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Very strong mag. 6.1 earthquake - 90 km east of Shikotan, Sakhalin Oblast, Russia, on Saturday, Aug 30, 1969 at 8:28 am (GMT +0)

Very strong mag. 6.1 earthquake - 90 km east of Shikotan, Sakhalin Oblast, Russia, on Saturday, Aug 30, 1969 at 8:28 am (GMT +0) Very strong mag. 6.1 earthquake - 90 km east of Shikotan, Sakhalin Oblast, Russia, on Saturday, Aug 30, 1969 at 8:28 am (GMT +0)

Very strong magnitude 6.1 earthquake at 27 km depth

Earthquake details

Date & timeAug 30, 1969 08:28:07 UTC
Local time at epicenterSaturday, Aug 30, 1969 at 8:28 am (GMT +0)
StatusConfirmed
Magnitude6.1
Depth27.1 km
Epicenter latitude / longitude43.54°N / 147.78°E (North Pacific Ocean, Russia)
Antipode43.54°S / 32.22°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoBerutarube (123 km / 76 mi)
Nearby towns and cities90 km (56 mi) ESE of Shikotan (pop: 2,100) | Show on map | Quakes nearby
163 km (101 mi) ESE of Yuzhno-Kurilsk (pop: 6,470) | Show on map | Quakes nearby
165 km (102 mi) ESE of Otrada (pop: 3,220) | Show on map | Quakes nearby
180 km (112 mi) E of Nemuro (Japan) (pop: 31,200) | Show on map | Quakes nearby
188 km (117 mi) S of Kuril'sk (pop: 1,720) | Show on map | Quakes nearby
214 km (133 mi) E of Shibetsu (Japan) (pop: 21,700) | Show on map | Quakes nearby
283 km (176 mi) ENE of Kushiro (Japan) (pop: 183,600) | Show on map | Quakes nearby
287 km (178 mi) E of Abashiri (Japan) (pop: 42,500) | Show on map | Quakes nearby
314 km (195 mi) E of Kitami (Japan) (pop: 113,100) | Show on map | Quakes nearby
377 km (234 mi) ENE of Obihiro (Japan) (pop: 173,900) | Show on map | Quakes nearby
Estimated seismic energy released8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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
6.127 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

[More info]

Recorded aftershocks, latest first (11 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

Earlier earthquakes in the same area

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