M8.3 Earthquake — 68 km S of Shing?, Japan

A magnitude 8.3 (great) earthquake struck 68 km S of Shing?, Japan on 1946-12-20 19:19 UTC, at a depth of 15 km. See it live on Earth Live's real-time 3D globe.

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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.

This area's earthquake history

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:

• M8.1 — 1944 Toankai Earthquake · 1944-12-07
• M7.4 — 67 km SSW of Shing?, Japan · 1948-04-17
• M7.4 — 50 km SSW of Ōyama, Japan · 1906-01-21

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