Strong and shallow M 6.4 earthquake struck off the coast of Puerto Rico
A strong and shallow earthquake registered as M 6.4 struck off the coast of Puerto Rico on January 13, 2014 at 04:01 UTC. USGS measured depth at 28 km (17.4 miles), EMSC at 20 km. Numerous aftershocks followed (M3.1 – 3.7).
Epicenter was located 57 km