An 8.8 magnitude earthquake has sent tsunami waves across the Pacific. Waves are expected to hit Southern California around 1 a.m. Wednesday.

The National Oceanic and Atmospheric Administration issued tsunami warnings and advisories for all of California's coastline on July 29 in the evening. One of the largest earthquakes ever recorded in Russia triggered tsunami warnings all over the Pacific Ocean,

The agency said the quake was shallow, at a depth of about 12 miles. Tsunami warnings or advisories covered nearly the entire West Coast, including California, Oregon, Washington, Alaska,