Quake info: Moderate mag. 5.1 earthquake - Philippines Sea, 82 km east of Okinawa, Okinawa Shi, Japan, on Sunday, 3 Jan 3:42 pm (GMT +9)
Detailed earthquake information - overview map, magnitude, time, depth, source, shake map, list of reports. File an "I felt it" report if you felt the quake! Features interactive map, read user reports and get links to further info.
Philippines Sea Oceans General Okinawa Shi German Research Centre For Geosciences Mediterranean Seismological Centre German Research Centre
Source: volcanodiscovery.com