Strong mag. 5.3 Earthquake - South Sandwich Islands Region

"A strong magnitude 5.3 earthquake occurred in the South Atlantic Ocean near Visokoi island, South Georgia and the South Sandwich Islands, in the early morning  at 1.31 am local time (GMT -2). 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