How many died in the Oso slide?

How many died in the Oso slide?

432014 Oso mudslide / Number of deaths

What caused the landslide in Oso?

1900s – Seasonal high water begins eroding the hill that eventually gave way in the 2014 mudslide. The Stillaguamish River channel pushes north. 1930s to 1950s – Logging is the economic engine of the Oso area. Some of the logged area is sensitive to shifting because of groundwater.

How fast did the Oso landslide travel?

USGS research indicates that the landslide’s average speed was about 40 miles per hour, with maximum speeds likely even higher. The area overrun by the landslide was about one half square mile, and the landslide moved about 18 million tons of sand, till, and clay.

How many structures were destroyed in the Oso landslide?

The Oso landslide, also called the SR 530 landslide, engulfed the community and destroyed 49 homes and structures. Forty-three people were killed. The landslide covered an area 1,500 feet long and 4,400 feet wide and left debris 30 to 70 feet deep. The overall size of the landslide was 270 million cubic feet.

How could the Oso mudslide been avoided?

Landslide-risk mapping alone could not have prevented the Oso tragedy. Only direct actions such as investing in hillside stabilization or keeping individuals out of harm’s path could have done that. This would have required the will of both public officials and the community.

Which is the most affected state by landslide?

It is the third most fatal disaster globally, accounting for approximately $400 billion per year for disaster management….What Are the Landslide Prone States in India?

What areas are safe from landslides?

Areas that are typically considered safe from landslides

• On hard, non-jointed bedrock that has not moved in the past.
• On relatively flat-lying areas away from sudden changes in slope angle.
• At the top or along the nose of ridges, set back from the tops of slopes.