SANTIAGO, Chile (AP) — A major earthquake with a magnitude of 7.4 struck in the South Atlantic Ocean off Chile and Argentina on Friday, prompting thousands in Chile to evacuate parts of the ...

Tsunamis can travel more than 500 mph (800 k/ph) at the deepest point of the water, but slow as they near the shore, eventually hitting the shore at 20 to 30 mph (32 to 48 k/ph).

Most destructive tsunamis In 2004, a magnitude-9.1 earthquake occurred off Sumatra, an Indonesian island in the Indian Ocean. It generated a tsunami that was as high as 167 feet, causing an ...

Between 1850 and 2004, 51 credible tsunamis were recorded in San Francisco Bay, according to 2004 research led by Lori Dengler, a professor emeritus at Cal Poly Humboldt.

Your essential guide to understanding tsunamis, including how they're caused, their devastating effects, and how early warning systems work.

But certain areas are prone to tsunamis because of their proximity to the source and other factors, such as depth and the shape of the ocean floor. The database says between 1900 and 2015, there ...

ANCHORAGE, Alaska (AP) — The powerful earthquake that struck in Northern California on Thursday prompted a brief tsunami warning affecting about 5 million people along a stretch of the West ...

ANCHORAGE, Alaska (AP) — The powerful earthquake that struck in Northern California on Thursday prompted a brief tsunami warning affecting about 5 million people along a stretch of the West ...

Tsunamis are rare, but can be extremely deadly,” it continued. “For perspective, roughly 230,000 people lost their lives in the 2004 Indian Ocean Tsunami, the deadliest natural disaster of the ...

Tsunamis will radiate out in all directions from the point of origin and can move across ocean basins. When the waves reach land, they can cause catastrophic damage and coastal flooding.

ANCHORAGE, Alaska (AP) — The powerful earthquake that struck in Northern California on Thursday prompted a brief tsunami warning affecting about 5 million people along a stretch of the West Coast — ...