M 4.5 earthquake: Philippine Sea (Yilan, Taiwan) — October 18, 1981

M 4.5 earthquake: Philippine Sea (Yilan, Taiwan) — October 18, 1981. Epicenter 81 km E of Yilan, depth 107 km, 04:57 Local (1981-10-17 20:57 UTC). Shaking felt by ~64K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (81 km E of Yilan, Taiwan) — 24.666, 122.551

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