5.1 Earthquake - South Atlantic Ocean, 390 km northwest of Edinburgh of the Seven Seas, Saint Helena

"A strong magnitude 5.1 earthquake occurred in the South Atlantic Ocean 389 km (242 mi) from Saint Helena in the early morning at 12.32 am local time (GMT -1). The depth of the quake could not be determined, but is assumed to be shallow. The quake was not felt (or at least not reported so)." VD