A tsunami alert has been issued for the west coast of North America and Hawaii following an underwater volcanic eruption in the Pacific Ocean.

The National Weather Service (NWS) issued the warning for the coastal areas of California, Oregon, Washington, Hawaii, British Columbia and Alaska.

The NWS tweeted that the tsunami “will bring large and dangerous tornadoes to all of Southern California’s beaches today.”

“If you’re in this coastal area, move away from the beach and out of ports and marinas,” said the NWS advisory, which was issued just before noon. 5.30 PT.

It said areas in the advisory area should not expect extensive flooding, but may face “a series of dangerous waves many hours after the first time of arrival.”

The advisory also noted that “the first wave may not be the largest.”

Meteorologist Christopher Nunley tweeted that flooding of vulnerable places along the coast was possible Saturday morning.

Friday night, previous tsunami warnings were issued in Australia, New Zealand, Tonga, American Samoa and Fiji following the recent eruption of Tonga’s Hunga Tonga Hunga Ha’apai volcano earlier that day.

This story is evolving.

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