5.3 Earthquake - South Pacific Ocean, 188 km southwest of Isla Guamblin Island, Region Aysen, Chile

"A strong magnitude 5.3 earthquake occurred in the South Pacific Ocean 168 km (104 mi)

from Chile at 08:28 GMT. 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