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Strong mag. 6.3 earthquake - 50 km east of Onekotan Island, Sakhalin Oblast, Russia, on Wednesday, October 19, 1955 at 09:54 GMT

Strong mag. 6.3 earthquake - 50 km east of Onekotan Island, Sakhalin Oblast, Russia, on Wednesday, October 19, 1955 at 09:54 GMT

Strong magnitude 6.3 earthquake at 50 km depth

Date & time: Oct 19, 1955 09:54:52 UTC
Magnitude: 6.3
Depth: 50.0 km
Epicenter latitude / longitude: 49.312°N / 155.412°E (North Pacific Ocean, Russia)
Antipode: 49.312°S / 24.588°W
Nearest volcano: Tao-Rusyr (52 km / 32 mi)
Nearby towns and cities:
160 km (99 mi) SSW of Severo-Kuril'sk (pop: 2,420) --> See nearby quakes!
255 km (158 mi) SSW of Ozernovskiy (pop: 2,620) --> 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
6.350 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 (1 quake)

Date and timeMag
Depth		LocationDetails
Jan 3, 1956 15:41
66 years ago
5.8

57 km		468 km SW of Petropavlovsk-Kamchatskiy, Kamchatka, RussiaMore

Earlier earthquakes in the same area

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