1939 Chillán earthquake
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The 1939 Chillán earthquake occurred in south-central Chile on 24 January with a surface wave magnitude of 8.3 and a maximum Mercalli intensity of X. With a death toll of around 28,000, compared to the 2,231–6,000 of the Great Chilean earthquake... Wikipedia
Date: January 24, 1939
Casualties: ~28,000
Epicenter: 36°12′00″S 72°12′00″W / 36.20000°S 72.20000°W
ISC event: 901785
Magnitude: 8.3 Ms
Location: Chillán and Concepción