“Tsunami wave heights across the state of Hawaii are now below advisory levels and are continuing to diminish,” the Pacific Tsunami Warning Center said. The Kamchatka quake turned out to be among the 10 strongest ever recorded – tied for sixth place. The Kamchatka quake on July 30 damaged buildings on the remote Russian peninsula. Scientists say the Kamchatka quake happened on a “megathrust fault” when the Pacific Plate moved beneath the North American Plate. Quake Scare Compounded by a TyphoonThe Kamchatka quake coincided with Typhoon Co-May in China, the eighth tropical storm to hit China this year.