M 5.5 earthquake: North Pacific Ocean (Philippines) — August 17, 2003
M 5.5 earthquake: North Pacific Ocean (Philippines) — August 17, 2003. Epicenter 272 km NE of Laoag, depth 80 km, 10:46 Local (2003-08-17 02:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.
North Pacific Ocean (272 km NE, Philippines) — 20.348, 121.83
