M 4.6 earthquake: Philippine Sea (Zamboanga, Philippines) — January 28, 2003

M 4.6 earthquake: Philippine Sea (Zamboanga, Philippines) — January 28, 2003. Epicenter 243 km SE of Zamboanga, depth 600 km, 19:56 Local (2003-01-28 11:56 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (243 km SE of Zamboanga, Philippines) — 5.039, 123.194

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