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Very strong mag. 6.5 earthquake - 57 km east of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, Russia, on Sunday, February 1, 1925 at 05:24 GMT

Very strong mag. 6.5 earthquake - 57 km east of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, Russia, on Sunday, February 1, 1925 at 05:24 GMT Very strong mag. 6.5 earthquake - 57 km east of Shikotan Island, Yuzhno-Kurilsky District, Sakhalin Oblast, Russia, on Sunday, February 1, 1925 at 05:24 GMT

Very strong magnitude 6.5 earthquake at 30 km depth

Earthquake details

Date & timeFeb 1, 1925 05:24:03 UTC
Local time at epicenter
StatusConfirmed
Magnitude6.5
Depth30.0 km
Epicenter latitude / longitude43.707°N / 147.447°E (North Pacific Ocean, Russia)
Antipode43.707°S / 32.553°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoBerutarube (93 km / 58 mi)
Nearby towns and cities59 km (37 mi) E of Shikotan (pop: 2,100) | Show on map | Quakes nearby
132 km (82 mi) ESE of Yuzhno-Kurilsk (pop: 6,470) | Show on map | Quakes nearby
157 km (97 mi) ENE of Nemuro (Japan) (pop: 31,200) | Show on map | Quakes nearby
186 km (116 mi) E of Shibetsu (Japan) (pop: 21,700) | Show on map | Quakes nearby
257 km (160 mi) E of Abashiri (Japan) (pop: 42,500) | Show on map | Quakes nearby
262 km (162 mi) ENE of Kushiro (Japan) (pop: 183,600) | Show on map | Quakes nearby
286 km (178 mi) E of Kitami (Japan) (pop: 113,100) | Show on map | Quakes nearby
354 km (220 mi) ENE of Obihiro (Japan) (pop: 173,900) | Show on map | Quakes nearby
490 km (304 mi) SE of Korsakov (pop: 35,100) | Show on map | Quakes nearby
516 km (320 mi) SE of Yuzhno-Sakhalinsk (pop: 176,500) | Show on map | Quakes nearby
Estimated seismic energy released3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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
6.530 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 (2 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

Earlier earthquakes in the same area

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