5.6 Earthquake - Sea of Okhotsk, 279 km north of Iturup Island, Kurilsky District, Sakhalin Oblast, Russia

"A strong magnitude 5.6 earthquake occurred in the Sea of Okhotsk 226 km (140 mi) from Russia in the morning at 11.52 am local time (GMT +10). The quake had a great depth of 403 km (250 mi) and was not felt (or at least not reported so)." VD