M 4.9 earthquake: Philippine Sea (Keelung, Taiwan) — September 18, 1973

M 4.9 earthquake: Philippine Sea (Keelung, Taiwan) — September 18, 1973. Epicenter 40 km SE of Keelung, depth 86 km, 06:09 Local (1973-09-17 22:09 UTC). Shaking felt by ~13.7M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (40 km SE of Keelung, Taiwan) — 24.888, 122.026

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