Location: 58 km N of Hatillo, Puerto Rico Period: 13 Jan 2014 04:01:03 - 20 Jan 2014 12:09:24 (7 days 8 hours 8 minutes) Volcanoes in 100km radius: None Earthquakes: 232 2 swarms found nearby. 2011 S20111128.1(4.4km) 28 Nov 16 hours 42 earthquakes 2014 S20140114.2(9.9km) 13 Jan 1 day 7 hours 40 earthquakes