5.3 Earthquake - North Pacific Ocean, 363 km southeast of Hachijo Jima Island, Tokyo, Japan

"A strong magnitude 5.3 earthquake occurred in the North Pacific Ocean 186 km (116 mi)

from Japan in the early morning at 4.17 am local time (GMT +9). 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