M6.3 Earthquake — Chagos Archipelago region

A magnitude 6.3 (strong) earthquake struck Chagos Archipelago region on 1983-12-03 17:43 UTC, at a depth of 10 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 43 earthquakes of magnitude 2.5 or more within 300 km.

Strongest recorded within 300 km since 1900:

• M7.3 — Chagos Archipelago region · 1983-11-30
• M6.3 — Chagos Archipelago region · 1965-09-12
• M6.2 — Chagos Archipelago region · 1912-05-11

More recent earthquakes

• M5.5 — 92 km NNW of Aleneva, Alaska
• M5.1 — 34 km NNW of Bāgeshwar, India
• M5.9 — 264 km SSW of Severo-Kuril’sk, Russia
• M4.7 — Chagos Archipelago region
• M4.5 — Kermadec Islands region
• M4.9 — 48 km NNE of Semporna, Malaysia
• M4.9 — 55 km ESE of Kokopo, Papua New Guinea
• M4.5 — 60 km WNW of Colchani, Bolivia

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