Over 40 people lost their lives in the tragedy. Head to the Internet to learn more about the Oso mudslide. What geographic features led to the disaster? What can be done to prevent similar disasters in the future? Did you get it?
Test your knowledge. Wonder Words toe flow tumble soil slope flood clingy canyon prone alter imminent intense geologist erosion debris liquefy scarp mountainous Take the Wonder Word Challenge. Join the Discussion. Wonderopolis Oct 3, Have you ever seen a mudslide, bob? Sep 25, Wonderopolis Sep 27, Mudslides can be quite devastating.
Thanks for chiming in, Wonder Friend! M Y Sep 25, Thanks for stopping by, M Y!
Lauren Chom Mar 13, I liked this wonder because it helped me with my school work. Wonderopolis Mar 13, We're glad it helped with your homework, Lauren! Mudslides are no laughing matter! Dakota May 3, I personally really like wonderopollis. Wonderopolis May 9, Thanks for being an awesome Wonder Friend!
Skylar Mar 16, How did your project go, Dakota? Wonderopolis Mar 19, We're glad that this Wonder was helpful, Skylar! Let us know how your project goes!
People know the Mudslide as the quintessential boozy milkshake: sweet, creamy and rich. Its popularity harks back to a time when we took our cocktail cues. A twist on the ice-cold Frozen Mudslide. This cocktail, simply known as the Mudslide drink, comes from a much warmer place. Shake Kahlúa, Absolut Vodka and Irish cream Liqueur in a shaker with lots of ice.
Prinsess Jan 22, Wonderopolis Jan 25, Wonderopolis Jan 21, Bennett Jan 12, Wonderopolis Jan 22, Memelover08 Apr 12, Wonderopolis Apr 12, It is. The best thing we can do is be aware of the power of nature! Wonderopolis Nov 9, BB22 Jan 12, Wonderopolis Jan 16, Jacob Vermeule May 7, Hey Wonderopolis, do you by any chance know the author of this Wonder?
Greetings from Amsterdam.
Jacob May 9, I love how u put definitions on this page. Its so awsome. Wonderopolis Apr 20, Jazlynn Lucero Apr 11, Are avalanches and mudslides the same or different? May you also explain to me why? Jazlynn Lucero Apr 13, Tom Apr 11, This is very cool, we are currently using this as our assignment for our science class! Tell your science teacher "what's up" from us! Tom Apr 13, I'll make sure I tell them!
Plus, I'm a big fan of dinosaurs, do you have a wonder about them? Wonderopolis Apr 14, Emily Jan 11, Wonderopolis Jan 12, Jose Jan 10, Hey Wonderopolis thank you for making this wonder I liked it a lot now I know a lot of mudslides. Wonderopolis Jan 11, Madds Jan 10, Wonderopolis Jan 10, Brybob Oct 28, Bennett Jan 26, A view from a Washington Army National Guard helicopter showing the aftermath of the March 22, , mudslide in Oso, Washington, more than a week after it occurred.
The terms landslide or mudslide refer to the downward movement of large masses of rocks, soil, mud and organic debris.
Areas with steep slopes, for example mountainous regions, are particularly susceptible to landslide hazards. Most landslides are caused by multiple factors that act together to destabilize the slope. The primary cause of a landslide is the influence of gravity acting on weakened materials that make up a sloping area of land.
While some landslides occur slowly over time e. That was the case for the last extremely deadly mudslide in the continental U. 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. Prior to the slide, the Oso area — which is about 55 miles northeast of Seattle — had had heavy rainfall during the previous 45 days, up to percent of normal, by some sources.
The Oso, Washington, mudslide as viewed from the air on March 24, Photo by Ted S. Experts said that the primary reason for the Oso mudslide was rain.
Water can trigger landslides and mudslides because it alters the pressure within the slope , which leads to slope instability. Consequently, the heavy water-laden slope materials soil, rock, etc. Excessive water is thought to be one of the most common triggers for landslides. Mansfield District Council is advising anyone who needs emergency accommodation to get in touch with them. More information on today's incident at Berry Hill Quarry. People have been allowed to return to their homes but some have been told they cannot access their garden.