The Oso landslide was the deadliest slide in American history, claiming the lives of 43 people just after 10:30 a.m. on Mar. 22, 2014.

March 22 marks a solemn day in Washington history. It was 11 years ago when the Oso/SR 530 landslide occurred.

Reflecting on 11 years since the Oso landslide, we honor the lives lost on March 22 in this devastating Washington tragedy.

The Oso landslide, which occurred 11 years ago, claiming 43 lives, marking the deadliest landslide in U.S. history. Saturday, the community gathers for the annual remembrance ceremony, where ...

The small community of Oso, Washington, on Friday inaugurated a memorial honoring the 43 people killed at the site 10 years ago in the deadliest landslide in U.S. history.

Flags lowered in Washington for the 10 year anniversary of the US’s deadliest landslide. The Oso landslide claimed the lives of 43 people.

After the slide ‘Flood of emotions’ as Oso Landslide Memorial opens on 10th anniversary Friends, family and first responders held a moment of silence at 10:37 a.m. at the new 2-acre memorial ...