M 4.6 earthquake in Argentina (La Rioja) — August 27, 1981

M 4.6 earthquake in Argentina (La Rioja) — August 27, 1981. Epicenter 134 km NW of La Rioja, depth 145 km, 04:08 Local (1981-08-27 07:08 UTC). Shaking felt by ~53K people. Readings from every reporting agency, affected towns, aftershock sequence.

134 km NW of La Rioja (Argentina) — -28.415, -67.632

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