Massive Undersea Volcano Explosion Off Of Tonga Causing Tidal Waves To Possibly Hit West Coast

People waking up in San Diego have received a terrifying "emergency alert" on their phones warning them about a tsunami that may occur around 0750 PST. "Waves of 1 to 3 feet are possible," the alert said. Across the West Coast of the United States, a tsunami advisory is in effect for Saturday morning. The advisories were issued after a massive undersea volcano erupted Saturday off the South Pacific island of Tonga.
"A tsunami has been confirmed and some impacts are expected," the National Weather Service's National Tsunami Warning Center said early Saturday. The advisory covers:
The California coast from the California-Mexico border to the Oregon-California border, including San Francisco Bay.
The Oregon coast from the Oregon-California border to the Oregon-Washington border, including the Columbia River estuary coast.
The outer coast of Washington state from the Oregon-Washington border to Slip Point, Columbia River estuary coast, and the Juan de Fuca Strait coast.
The north coast of British Columbia, and Haida Gwaii, the central coast and northeast Vancouver Island, the outer west coast of Vancouver Island, the Juan de Fuca Strait coast.
The inner and outer coast of Southeast Alaska from the BC-Alaska border to Cape Fairweather, Alaska.
South Alaska and the Alaska Peninsula: Pacific coasts from Cape Fairweather, Alaska, to Unimak Pass, Alaska.
Aleutian Islands: Unimak Pass, Alaska, to Attu, Alaska including the Pribilof Islands.