At least 25 major landslides spilled into the valley near the Oso site before 2014, and at least seven left geological evidence over 5,000 years ago. Roughly 10 slid between 500 to 2,000 years ago ...

Environment Local News Northwest Science After 2014 Oso landslide, what did we learn about preventing disaster? March 17, 2024 at 6:00 am Updated March 17, 2024 at 6:00 am By David Gutman ...

OSO, Wash. — Ten years ago, the deadliest landslide in U.S. history struck the small town of Oso, Washington. Forty-three people were killed on March 22, 2014, when the hillside above the ...

Local News Northwest Oso landslide: A 2014-2024 timeline of devastation, discovery and memory March 18, 2024 at 6:00 am Updated March 18, 2024 at 6:00 am ...

OSO, Wash. — When the emergency call came in the morning of March 22, 2014, rescue teams had no idea what they would soon be up against. The Snohomish County search and rescue air unit was the ...