M 4.6 earthquake in Bolivia (Calama) — July 28, 1973

M 4.6 earthquake in Bolivia (Calama) — July 28, 1973. Epicenter 156 km NE of Calama, depth 159 km, 01:59 Local (1973-07-28 05:59 UTC). Shaking felt by ~54K people. Readings from every reporting agency, affected towns, aftershock sequence.

156 km NE of Calama (Bolivia) — -21.431, -67.874

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