M 6.4 Earthquake: Caribbean Sea (San Juan, Puerto Rico) — October 11, 1915

M 6.4 Earthquake: Caribbean Sea (San Juan, Puerto Rico) — October 11, 1915. Epicenter 168 km NW of San Juan, depth 15 km, 15:33 Local (1915-10-11 19:33 UTC). Shaking felt by ~6.2M people. Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (168 km NW of San Juan, Puerto Rico) — 19.583, -67.17

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