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

M 4.8 earthquake: Indian Ocean (Yemen) — April 20, 1975. Epicenter 319 km NE of Hadiboh, depth 33 km, 18:39 Local (1975-04-20 14:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (319 km NE, Yemen) — 14.536, 56.253

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