The “megathrust” earthquake’s undersea magnitude was 9.0, recorded as one of the worst in Japan’s history. It began on the Pacific seabed 45 miles away from the eastern coast of Japan, as reported by ...

Japan has completed the world’s most advanced undersea earthquake and tsunami detection system—3,500+ miles of fiber-optic ...

PANGANDARAN, Indonesia — Indonesia pledged to build a nationwide tsunami alert system as soldiers pulled bodies from ravaged beaches, homes and hotels Tuesday.

Together, we created the tsunami warning system. We map the ocean depths, identify species, work to ensure that ocean literacy is included in school curricula and protect ocean sites, which are home ...

Tsunami sirens “Mooing” sirens have warned against tsunamis in Cannon Beach since the 1980s. Now, city staff are working to line up a replacement. CANNON BEACH — The city is making progress ...

CANNON BEACH — The city is making progress in replacing its broken tsunami warning system, city staff told the City Council Tuesday. TrendingODOT layoffs hit Clatsop CountyWorkplace conduct ...

The deficiencies of the Indian Ocean warning system were exposed in 2018 when a 7.5 magnitude earthquake and tsunami killed 1,200 people on the island of Sulawesi.

Experts said they were “blind” to the Indian Ocean tsunami in 2004. Twenty years later, working toward a world without tsunami deaths is a challenge.

Last week's earthquake off the coast of Humboldt County triggered a tsunami warning urging people across a huge swath of California and Oregon to evacuate. Why aren't tsunami warnings more precise?