A powerful magnitude 8.8 earthquake off Russia's far-eastern Kamchatka Peninsula Tuesday triggered tsunami waves across the Pacific Ocean. Russia said the shallow quake caused damage in Petropavlovsk-Kamchatsky and elsewhere on the peninsula and flooded the Kuril Islands with waves as high as 19 feet.

A tsunami advisory has been issued for the Oregon Coast for the evening of July 29 by the National Weather Service.

The earthquake that struck off the coast of Russia late Tuesday registered 8.8 on the Richter scale and ensuing tsunami has raised concerns that the Pentagon could be caught unawares by a natural disaster in a region where thousands of U.