M7.2 Earthquake — South Sandwich Islands region

A magnitude 7.2 (major) earthquake struck South Sandwich Islands region on 1983-10-22 04:21 UTC, at a depth of 24 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 25 earthquakes of magnitude 2.5 or more within 300 km.

Strongest recorded within 300 km since 1900:

• M8.1 — 2021 South Sandwich Islands Earthquake · 2021-08-12
• M7.5 — South Sandwich Islands region · 1933-08-28
• M7.4 — east of the South Sandwich Islands · 2006-01-02

More recent earthquakes

• M4.9 — Volcano Islands, Japan region
• M4.8 — 191 km ESE of Sarangani, Philippines
• M5.0 — 71 km E of ‘Ohonua, Tonga
• M4.5 — Kuril Islands
• M5.3 — central Mid-Atlantic Ridge
• M4.8 — 32 km SSE of Jurm, Afghanistan
• M5.0 — 295 km S of Burica, Panama
• M4.6 — 110 km S of Dampit, Indonesia

All earthquakes in the last 24 hours →

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