A magnitude 8.0 (great) earthquake struck 43 km E of Ust’-Kamchatsk Staryy, Russia on 1917-01-30 02:45 UTC, at a depth of 20 km. See it live on Earth Live's real-time 3D globe.
Source: USGS event page. The TNT equivalent is computed from the magnitude with the standard Gutenberg–Richter energy relation; all other figures are USGS's own.
In the year before this quake, USGS recorded 0 earthquakes of magnitude 2.5 or more within 300 km.
Strongest recorded within 300 km since 1900:
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