Where did the 2014 Oso mudslide happen?
Where did the 2014 Oso mudslide happen?
The Oso landslide, also known as the SR 530 landslide, occurred in northwest Washington state on March 22, 2014, leading to devastating loss of life and destruction of property.
Where was the Oso mudslide?
Oso
2014 Oso mudslide/Location
How large an area was covered by the March 2014 Oso Washington landslide?
approximately 1 square mile
A portion of an unstable hill collapsed, sending mud and debris to the south across the North Fork of the Stillaguamish River, engulfing a rural neighborhood, and covering an area of approximately 1 square mile (2.6 km2). Forty-three people were killed and 49 homes and other structures destroyed.
What was the final event that triggered the fatal 2014 Oso mudslide in Washington state?
A deadly landslide that killed 44 and obliterated a riverside neighborhood in Washington state last March was fueled by rain soaking the site of an eight-year-old landslide, while logging in the area may have also played a role, according to a scientific report released Tuesday.
What caused the mudslide in Oso Washington?
Oso mudslide and recovery timeline 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.
What was the condition of the Stillaguamish River?
the Stillaguamish River will cause near record major flooding. Deep and swift flood waters will inundate many roads including Highway 530 east of Arlington and at Island Crossing and most valley roads downstream of I-5 to Stanwood….Flood Categories (in feet)
| Major Flood Stage: | 19 |
|---|---|
| Low Stage (in feet): | 0 |
What happened during the 2014 Oso landslide?
On March 22, 2014, a deadly mudslide devastated the Washington state community of Oso — 60 miles north of Seattle — with up to 70 feet of mud, swallowing part of the Stillaguamish River and a mile-long stretch of state highway 530. Eyewitnesses say a towering wall of mud roared loudly as it raced through the valley.
Is Oso Washington a town?
Oso is a census-designated place (CDP) in Snohomish County, Washington, United States. It is located to the west of Darrington, south of the North Fork of the Stillaguamish River and approximately 50 air miles (80 km) from Seattle. The population of Oso was 180 at the 2010 census.
How many bodies recovered from Oso slide?
July 22, 2014 – A scientific report on the slide, its causes, and aftereffects notes the geological sensitivity of the area. A search crew recovers the last of the 43 bodies exactly four months after the event. September 22, 2014 – New, elevated State Route 530 is completed between Arlington and Darrington.
How deep was the mud that resulted from the slide?
The debris field from the slide covered a square mile and was estimated to be 80 feet deep in some places. In July 2014, search and rescue workers discovered what was believed to be the last body of the 43 victims killed in the disaster.
Is there gold in the Stillaguamish River?
3. Stillaguamish River. There have been some small historic gold diggings on both the North and South Fork Stillaguamish River over the years. The area around Gold Basin is worth exploring.
Where did the mudslide in Washington State happen?
On March 22, 2014, 43 people die when a portion of a hill suddenly collapses and buries a neighborhood in the small community of Oso, Washington, some 55 miles northeast of Seattle.
Where was the Oso landslide in Washington State?
Landslide debris covered about 40 homes and other structures as well as nearly a mile of State Route 530. It also caused 43 fatalities in the community of Steelhead Haven near Oso, Washington. This event is commonly named the “Oso Landslide” in many official reports.
How many people die each year from mudslides?
Mudslides, also known as mudflows, are a common type of landslide. Each year in the United States, more than 25 people on average die due to landslides, while thousands more are killed elsewhere around the world.
How big was the landslide in Steelhead Haven?
The slide dammed the North Fork Stillaguamish River to a depth of as much as 25 feet, forming a temporary lake 2.5 miles long, which flooded houses and other structures in Steelhead Haven.