Chile has upgraded its tsunami warning to its highest level. The red alert covers most of its 6,400-kilometer (4,000-mile) Pacific coastline, from Arica and Parinacota near its northern border to Magallanes in the far south. The Education Ministry also canceled classes along much of the coast.

The worst predictions did not come to pass after a major earthquake off the coast of Russia sent a surge of water across the Pacific.

Videos of the Kamchatka, Russia, earthquake shaking buildings, the ground, homes, and even a hospital surgery room have gone viral. The 8.8 magnitude earthquake struck on July 29, triggering concerns about tsunamis in Hawaii and the west coast of the United States. Although some sites said the ...