TOKYO—A powerful earthquake off the coast of Russia’s far east triggered a tsunami near the epicenter and some injuries, according to Russian reports, and U.S. authorities issued a tsunami evacuation alert in Hawaii.

A massive earthquake off the coast of Kamchatka, Russia has triggered a series of tsunami alerts for Hawaii, Alaska, and the U.S. West coast. The earthquake was measured at an 8.7 on the Richter scale according to the U.

Gov. Josh Green urged people in coastal areas to seek higher ground, with waves expected to reach the state within hours. “Do not wait,” he said.