M 4.6 earthquake: Caribbean Sea (Cartago, Costa Rica) — May 15, 1983

M 4.6 earthquake: Caribbean Sea (Cartago, Costa Rica) — May 15, 1983. Epicenter 99 km SE of Cartago, depth 33 km, 17:50 Local (1983-05-15 23:50 UTC). Shaking felt by ~1.8M people. Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (99 km SE of Cartago, Costa Rica) — 9.064, -83.548

EarthquakeLive.org