M 4.6 earthquake: Caribbean Sea (San Juan, Puerto Rico) — December 17, 2008

M 4.6 earthquake: Caribbean Sea (San Juan, Puerto Rico) — December 17, 2008. Epicenter 116 km NE of San Juan, depth 29 km, 15:55 Local (2008-12-17 19:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (116 km NE of San Juan, Puerto Rico) — 18.991, -65.192

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