The image shows a map of  minor Earthquakes that ocurred  North West of Anguilla over the past week. Most were Magnitude 3.0 to 3.7 . 

http://earthquake.usgs.gov/eqcenter/recenteqsus/Maps/PR2/18.20.-65.-63.php (Source)

Also, on Wednesday morning 26th March at 10:29am local time, UWI's Seismic Research Unit, reported that an earthquake occurred East of Martinique. The preliminary location for the event was 14.59°N 60.63°W. The event was reported as felt in northern St Lucia (Vigie Gros Islet, Morne Fortune). The preliminary magnitude was 4.1