M 4.7 earthquake near Caribbean Sea (Puerto Rico) — 1977-06-04

Magnitude 4.7 earthquake near Caribbean Sea (214 km E of San Juan, Puerto Rico), depth 49 km, 14:54 Local (1977-06-04 18:54 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

Caribbean Sea (214 km E of San Juan, Puerto Rico) — 18.872, -64.15