5.3 Earthquake - South Atlantic Ocean, 300 km west of Bouvetoya Island, Bouvet Island

"A strong magnitude 5.3 earthquake occurred in the South Atlantic Ocean 299 km (186 mi)
from Bouvet Island in the late afternoon at 6.50 pm local time (GMT +0). 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