A series of three earthquakes jolted the area near Petropavlovsk-Kamchatsky within a 32-minute window on Sunday. The most powerful of the tremors, originally measured at magnitude 7.4 and later ...

A powerful magnitude 7.5 earthquake struck off Russia’s Kamchatka Peninsula early Sunday, just 19 minutes after a 7.0 quake in the same region. The Pacific Tsunami Warning Center issued alerts for ...