Los Angeles County was placed under an updated tsunami advisory by the National Weather Service on Tuesday at 7:25 p.m. The ...

An earthquake off the coast of Russia caused a swath of tsunami warnings, advisories and watches across the west coast of the U.S. Here's what officials say you should do in affected areas.

When a tsunami reaches the coast, it can cause dangerous coastal flooding and powerful currents that can last for several hours or days, according to NOAA.