An 8.8-magnitude earthquake in Russia triggered tsunami warnings across the Pacific. Here's the latest travel guidance.

Tsunami waves have reached California and Hawaii several hours after a powerful 8.8 magnitude earthquake in Russia's Far East. The U.S. National Tsunami Warning Center said Wednesday morning that tsunami waves measuring 1.6 feet above tide level have been observed in Arena Cove in the U.S. state of California.

People flocked to evacuation centers in affected areas of Japan, with memories fresh of the 2011 earthquake and tsunami that caused reactor meltdowns at