M 5.5 earthquake in Argentina (Tucumán) — May 9, 1981

M 5.5 earthquake in Argentina (Tucumán) — May 9, 1981. Epicenter 40 km NE of Tucumán, depth 50 km, 06:50 Local (1981-05-09 09:50 UTC). Shaking felt by ~1.8M people. Readings from every reporting agency, affected towns, aftershock sequence.

40 km NE of Tucumán (Argentina) — -26.581, -64.911

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