M 4.8 earthquake: Indian Ocean (Yemen) — April 20, 1975

M 4.8 earthquake: Indian Ocean (Yemen) — April 20, 1975. Epicenter 336 km NE of Hadiboh, depth 33 km, 09:09 Local (1975-04-20 05:09 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (336 km NE, Yemen) — 14.362, 56.589

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