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Very strong mag. 6.8 earthquake - 74 km east of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, Russia, on Wednesday, January 28, 1925 at 04:05 GMT

Very strong mag. 6.8 earthquake - 74 km east of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, Russia, on Wednesday, January 28, 1925 at 04:05 GMT Very strong mag. 6.8 earthquake - 74 km east of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, Russia, on Wednesday, January 28, 1925 at 04:05 GMT

Very strong magnitude 6.8 earthquake at 30 km depth

Date & time: Jan 28, 1925 04:05:35 UTC
Magnitude: 6.8
Depth: 30.0 km
Epicenter latitude / longitude: 43.558°N / 147.601°E (North Pacific Ocean, Russia)
Antipode: 43.558°S / 32.399°W
Nearest volcano: Berutarube (113 km / 70 mi)
Nearby towns and cities:
76 km (47 mi) ESE of Shikotan (pop: 2,100) --> See nearby quakes!
149 km (93 mi) ESE of Yuzhno-Kurilsk (pop: 6,470) --> See nearby quakes!
166 km (103 mi) E of Nemuro (Japan) (pop: 31,200) --> See nearby quakes!
199 km (124 mi) E of Shibetsu (Japan) (pop: 21,700) --> See nearby quakes!
269 km (167 mi) ENE of Kushiro (Japan) (pop: 183,600) --> See nearby quakes!
272 km (169 mi) E of Abashiri (Japan) (pop: 42,500) --> See nearby quakes!
300 km (186 mi) E of Kitami (Japan) (pop: 113,100) --> See nearby quakes!
363 km (226 mi) ENE of Obihiro (Japan) (pop: 173,900) --> See nearby quakes!
510 km (317 mi) SE of Korsakov (pop: 35,100) --> See nearby quakes!
536 km (333 mi) SE of Yuzhno-Sakhalinsk (pop: 176,500) --> 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
6.830 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 (3 quakes)

Date and timeMag
Depth		LocationDetails
Feb 2, 1925 19:46
97 years ago
6.8

35 km		123 km E of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, RussiaMore
Feb 2, 1925 13:29
97 years ago
6.5

30 km		67 km E of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, RussiaMore
Feb 1, 1925 05:24
97 years ago
6.5

30 km		57 km E of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, RussiaMore

Earlier earthquakes in the same area

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