Montgomery said Oso was a "deep-seated landslide," meaning it involved more than surface-level materials. Those materials included glacial sediments, with sand and gravel near the top and silt and ...

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 ...

The small community of Oso, Washington ... and it tightened guidelines on logging landslide-prone slopes amid concerns that clearcutting near the top of the scar might have helped cause the ...

March 22 marks a solemn day in Washington history. It was 11 years ago when the Oso/SR 530 landslide occurred. Forty-three lives were lost in this tragic event, the deadliest landslide in American ...

OSO, Wash. — After the mountainside collapsed, obliterating a neighborhood and 43 lives in the worst landslide disaster in U.S. history, Jessica Pzsonka made a promise -– to herself, to her ...

Get top local stories in Connecticut delivered to you every morning. Sign up for NBC Connecticut's News Headlines newsletter. AP Photo/Lindsey Wasson People visit the Oso Landslide Memorial for ...

OSO, Wash. — After the mountainside collapsed, obliterating a neighborhood and 43 lives in the worst landslide disaster in U.S. history, Jessica Pzsonka made a promise -– to herself, to her ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Friday marks 10 years since the side of a mountain collapsed, raced across a river and buried an entire neighborhood in rural ...