M 5.1 earthquake in Indonesia (Biak) — July 23, 1973

M 5.1 earthquake in Indonesia (Biak) — July 23, 1973. Epicenter 240 km SE of Biak, depth 33 km, 17:30 Local (1973-07-23 08:30 UTC). Shaking felt by ~5.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

240 km SE of Biak (Indonesia) — -2.219, 137.933

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