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Strong mag. 6.2 earthquake - 56 km east of Onekotan Island, Sakhalin Oblast, Russia, on Tuesday, Sep 11, 1956 at 9:04 pm (GMT +0)

Strong mag. 6.2 earthquake - 56 km east of Onekotan Island, Sakhalin Oblast, Russia, on Tuesday, Sep 11, 1956 at 9:04 pm (GMT +0)

Strong magnitude 6.2 earthquake at 50 km depth

Date & time: Sep 11, 1956 21:04:05 UTC
Local time at epicenter: Tuesday, Sep 11, 1956 at 9:04 pm (GMT +0)
Magnitude: 6.2
Depth: 50.0 km
Epicenter latitude / longitude: 49.439°N / 155.53°E (North Pacific Ocean, Russia)
Antipode: 49.439°S / 24.47°W
Nearest volcano: Nemo Peak (54 km / 34 mi)
Nearby towns and cities:
144 km (89 mi) SSW of Severo-Kuril'sk (pop: 2,420) --> See nearby quakes!
239 km (148 mi) SSW of Ozernovskiy (pop: 2,620) --> See nearby quakes!
435 km (271 mi) SSW of Paratunka (pop: 1,770) --> See nearby quakes!
437 km (272 mi) SSW of Vilyuchinsk (Yelizovsky District) (pop: 25,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 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
6.250 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 (2 quakes)

Date and timeMag
Depth		LocationDetails
Nov 28, 1956 19:27
66 years ago
6.3

48 km		46 km SE of Onekotan Island, Sakhalin Oblast, RussiaMore
Oct 13, 1956 15:12
66 years ago
5.4

55 km		58 km SE of Onekotan Island, Sakhalin Oblast, RussiaMore

Earlier earthquakes in the same area

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