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Revision as of 11:38, 25 March 2014 editMONGO (talk | contribs)Autopatrolled, Extended confirmed users, File movers, Pending changes reviewers, Rollbackers76,644 edits its a square mile in area, not a mile wide← Previous edit Revision as of 13:08, 25 March 2014 edit undoWinkelvi (talk | contribs)Extended confirmed users, Pending changes reviewers, Rollbackers30,145 edits Undid revision 601178335 by MONGO (talk)no, it's a mile wideNext edit →
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<!-- Per MOS:BOLDTITLE and WP:SBE, neither the article's title nor related text appears in bold. -->On March 22, 2014, a mudslide swept down Skaglund Hill, just east of ], killing at least 14 people and causing the disappearance of many more.<ref>, '']'', March 24, 2014. Retrieved March 24, 2014</ref> At about 11 a.m., the mudslide flowed across the North Fork of the ], through a neighborhood of some 30 homes, and crossed ], damming the river and completely blocking the highway.<ref>{{cite web|title=Mudslide witness: ‘Everything was gone in 3 seconds’|publisher=Everett Herald|url=http://www.heraldnet.com/article/20140322/NEWS01/140329561/Mudslide-witness-%91Everything-was-gone-in-3-seconds%92|accessdate= March 23, 2014}}</ref><ref name="accuweather1">{{cite web|url=http://www.accuweather.com/en/weather-news/two-dead-after-washington-land/24749353|title=Death Toll From Washington Landslide Climbs to Eight|author=Mark Leberfinger|date=March 24, 2014|publisher =AccuWeather.com|accessdate=March 24, 2014}}</ref><ref name="NBCnews1">{{cite web|url=http://www.nbcnews.com/storyline/deadly-mudslide/rescuers-search-quicksand-survivors-washington-mudslide-n60256|title=Rescuers Search 'Quicksand' for Survivors of Washington Mudslide|author=Elisha Fieldstadt and Alexander Smith|date=March 24, 2014|publisher =NBC News|accessdate=March 24, 2014}}</ref><ref name="SeattleTimes1">{{cite web|url=http://seattletimes.com/html/localnews/2023201818_mudslidexml.html|title=3 die in mudslide east of Arlington, 6 homes destroyed|author=Angel Gonzalez, Coral Garnick, Jack Broom|date=March 23, 2014|publisher=The Seattle Times|accessdate = March 24, 2014}}</ref> More than 100 ]s from ] and surrounding counties were dispatched to assist with medical aid and search-and-rescue efforts. <!-- Per MOS:BOLDTITLE and WP:SBE, neither the article's title nor related text appears in bold. -->On March 22, 2014, a mudslide swept down Skaglund Hill, just east of ], killing at least 14 people and causing the disappearance of many more.<ref>, '']'', March 24, 2014. Retrieved March 24, 2014</ref> At about 11 a.m., the mudslide flowed across the North Fork of the ], through a neighborhood of some 30 homes, and crossed ], damming the river and completely blocking the highway.<ref>{{cite web|title=Mudslide witness: ‘Everything was gone in 3 seconds’|publisher=Everett Herald|url=http://www.heraldnet.com/article/20140322/NEWS01/140329561/Mudslide-witness-%91Everything-was-gone-in-3-seconds%92|accessdate= March 23, 2014}}</ref><ref name="accuweather1">{{cite web|url=http://www.accuweather.com/en/weather-news/two-dead-after-washington-land/24749353|title=Death Toll From Washington Landslide Climbs to Eight|author=Mark Leberfinger|date=March 24, 2014|publisher =AccuWeather.com|accessdate=March 24, 2014}}</ref><ref name="NBCnews1">{{cite web|url=http://www.nbcnews.com/storyline/deadly-mudslide/rescuers-search-quicksand-survivors-washington-mudslide-n60256|title=Rescuers Search 'Quicksand' for Survivors of Washington Mudslide|author=Elisha Fieldstadt and Alexander Smith|date=March 24, 2014|publisher =NBC News|accessdate=March 24, 2014}}</ref><ref name="SeattleTimes1">{{cite web|url=http://seattletimes.com/html/localnews/2023201818_mudslidexml.html|title=3 die in mudslide east of Arlington, 6 homes destroyed|author=Angel Gonzalez, Coral Garnick, Jack Broom|date=March 23, 2014|publisher=The Seattle Times|accessdate = March 24, 2014}}</ref> More than 100 ]s from ] and surrounding counties were dispatched to assist with medical aid and search-and-rescue efforts.


The hill has a history of instability,<ref>Nancy Bartley and Ken Armstrong, , ''The Seattle Times'', March 23, 2014.</ref> and experienced up to 200&nbsp;percent normal rainfall over the previous 45 days,<ref>{{cite web |author=Zahid Arab|url=http://www.king5.com/news/local/What-caused-the-landslide-near-Oso-251810431.html|work=KING5 News online|title=What caused the landslide?|publisher=King5.com|date=|accessdate=March 24, 2014}}</ref> The {{convert|1|sqmi|adj=on}} slide was described by witnesses as a "fast-moving wall of mud" containing trees and other debris cutting through homes directly beneath the hill. One survivor rescued by bystanders was a six-month old baby pulled out of the mud and taken for medical treatment. A firefighter stated, "When the slide hit the river, it was like a tsunami.”<ref name="seattletimes1">{{cite web|title=8 confirmed dead in mudslide; 18 still missing|publisher=The Seattle Times|url=http://seattletimes.com/html/localnews/2023210830_mudslidesundayxml.html|accessdate=March 23, 2014}}</ref> The Washington state geologist said the slide was one of the largest landslides he'd seen. The mud, soil and rock debris left from the mudslide is {{convert|1500|ft|abbr=on}} long, {{convert|4400|ft|abbr=on}} wide and deposited debris {{convert|30|to|40|ft|abbr=on}} deep.<ref name=dead>{{cite web|title=Death toll rises to 14 in Snohomish County landslide|publisher=KING 5 News and Associated Press|url=http://www.nwcn.com/news/washington/Oso-darrington-landslide-Monday-251915291.html|accessdate=March 24, 2014}}</ref> The hill has a history of instability,<ref>Nancy Bartley and Ken Armstrong, , ''The Seattle Times'', March 23, 2014.</ref> and experienced up to 200&nbsp;percent normal rainfall over the previous 45 days,<ref>{{cite web |author=Zahid Arab|url=http://www.king5.com/news/local/What-caused-the-landslide-near-Oso-251810431.html|work=KING5 News online|title=What caused the landslide?|publisher=King5.com|date=|accessdate=March 24, 2014}}</ref> The mile-wide slide<ref></ref>was described by witnesses as a "fast-moving wall of mud" containing trees and other debris cutting through homes directly beneath the hill. One survivor rescued by bystanders was a six-month old baby pulled out of the mud and taken for medical treatment. A firefighter stated, "When the slide hit the river, it was like a tsunami.”<ref name="seattletimes1">{{cite web|title=8 confirmed dead in mudslide; 18 still missing|publisher=The Seattle Times|url=http://seattletimes.com/html/localnews/2023210830_mudslidesundayxml.html|accessdate=March 23, 2014}}</ref> The Washington state geologist said the slide was one of the largest landslides he'd seen. The mud, soil and rock debris left from the mudslide is {{convert|1500|ft|abbr=on}} long, {{convert|4400|ft|abbr=on}} wide and deposited debris {{convert|30|to|40|ft|abbr=on}} deep.<ref name=dead>{{cite web|title=Death toll rises to 14 in Snohomish County landslide|publisher=KING 5 News and Associated Press|url=http://www.nwcn.com/news/washington/Oso-darrington-landslide-Monday-251915291.html|accessdate=March 24, 2014}}</ref>


The slide blocked the North Fork of the Stillaguamish River which backed up eastward toward the nearby town of ]. By that evening, officials were concerned that the mud and debris dam could fail, causing downstream flooding. {{Asof|2014|3|23}}, the river began flowing through a hole in the mud dam. {{Asof|2014|3|24}}, a flash flood watch issued by the ] remained in effect. However, the river was flowing past the dam and the upstream pool depth had stabilized.<ref>{{cite web|title=Flash Flood Watch|url=http://forecast.weather.gov/showsigwx.php?warnzone=WAZ518&warncounty=WAC061&firewxzone=WAZ656&local_place1=&product1=Flash+Flood+Watch#.UzDXWVxrpzQ|publisher =National Weather Service|accessdate=March 23, 2014}}</ref> Highway 530 was closed indefinitely and an alternative route around the slide was being prepared by the Washington State Department of Transportation.<ref>{{cite web|title=SR 530 Mudslide|publisher=Washington Department of Transportation|url=http://www.wsdot.wa.gov/construction/pugetsound/today.htm#SR530Mudslide|accessdate=March 23, 2014}}</ref> The slide blocked the North Fork of the Stillaguamish River which backed up eastward toward the nearby town of ]. By that evening, officials were concerned that the mud and debris dam could fail, causing downstream flooding. {{Asof|2014|3|23}}, the river began flowing through a hole in the mud dam. {{Asof|2014|3|24}}, a flash flood watch issued by the ] remained in effect. However, the river was flowing past the dam and the upstream pool depth had stabilized.<ref>{{cite web|title=Flash Flood Watch|url=http://forecast.weather.gov/showsigwx.php?warnzone=WAZ518&warncounty=WAC061&firewxzone=WAZ656&local_place1=&product1=Flash+Flood+Watch#.UzDXWVxrpzQ|publisher =National Weather Service|accessdate=March 23, 2014}}</ref> Highway 530 was closed indefinitely and an alternative route around the slide was being prepared by the Washington State Department of Transportation.<ref>{{cite web|title=SR 530 Mudslide|publisher=Washington Department of Transportation|url=http://www.wsdot.wa.gov/construction/pugetsound/today.htm#SR530Mudslide|accessdate=March 23, 2014}}</ref>

Revision as of 13:08, 25 March 2014

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2014 Oso landslide
DateMarch 22, 2014 (2014-03-22)
Time10:45 AM
LocationOso, Washington
Coordinates48°16′57″N 121°50′53″W / 48.28256°N 121.84800°W / 48.28256; -121.84800
CauseSuspected soil saturation from heavy rainfall.
Deaths14
Missing176
File:Oso landslide (WSP).png
Aerial photograph of the Oso mudslide, taken by the Washington State Patrol on 2014-3-23.
Site of the Oso mudslide in 2009; the unstable area is covered with a red alder, bigleaf maple and black cottonwood forest (light green, right of center and below the North Fork of the Stillaguamish River). The mudslide flowed to the upper left, across the river. Most, or all, of the houses visible in the image were destroyed.

On March 22, 2014, a mudslide swept down Skaglund Hill, just east of Oso, Washington, killing at least 14 people and causing the disappearance of many more. At about 11 a.m., the mudslide flowed across the North Fork of the Stillaguamish River, through a neighborhood of some 30 homes, and crossed Highway 530, damming the river and completely blocking the highway. More than 100 first responders from Snohomish and surrounding counties were dispatched to assist with medical aid and search-and-rescue efforts.

The hill has a history of instability, and experienced up to 200 percent normal rainfall over the previous 45 days, The mile-wide slidewas described by witnesses as a "fast-moving wall of mud" containing trees and other debris cutting through homes directly beneath the hill. One survivor rescued by bystanders was a six-month old baby pulled out of the mud and taken for medical treatment. A firefighter stated, "When the slide hit the river, it was like a tsunami.” The Washington state geologist said the slide was one of the largest landslides he'd seen. The mud, soil and rock debris left from the mudslide is 1,500 ft (460 m) long, 4,400 ft (1,300 m) wide and deposited debris 30 to 40 ft (9.1 to 12.2 m) deep.

The slide blocked the North Fork of the Stillaguamish River which backed up eastward toward the nearby town of Darrington. By that evening, officials were concerned that the mud and debris dam could fail, causing downstream flooding. As of 23 March 2014, the river began flowing through a hole in the mud dam. As of 24 March 2014, a flash flood watch issued by the National Weather Service remained in effect. However, the river was flowing past the dam and the upstream pool depth had stabilized. Highway 530 was closed indefinitely and an alternative route around the slide was being prepared by the Washington State Department of Transportation.

Late in the evening of March 22, 2014, Washington state Lieutenant Governor Brad Owen declared a state of emergency in Snohomish County. State Governor Jay Inslee toured the area by air the following day before joining county officials at a news conference.

As of March 24, 2014, 14 people were confirmed dead and there were 176 reports of people missing or unaccounted for.

References

  1. Berman, Mark (March 24, 2014). "Everything you need to know about the Washington landslide". Washington Post. Retrieved March 24, 2014.
  2. ^ "Death toll rises to 14 in Snohomish County landslide". KING 5 News and Associated Press. Retrieved March 24, 2014.
  3. 14 dead; 108 reports of missing people, Seattle Times, March 24, 2014. Retrieved March 24, 2014
  4. "Mudslide witness: 'Everything was gone in 3 seconds'". Everett Herald. Retrieved March 23, 2014.
  5. Mark Leberfinger (March 24, 2014). "Death Toll From Washington Landslide Climbs to Eight". AccuWeather.com. Retrieved March 24, 2014.
  6. Elisha Fieldstadt and Alexander Smith (March 24, 2014). "Rescuers Search 'Quicksand' for Survivors of Washington Mudslide". NBC News. Retrieved March 24, 2014.
  7. Angel Gonzalez, Coral Garnick, Jack Broom (March 23, 2014). "3 die in mudslide east of Arlington, 6 homes destroyed". The Seattle Times. Retrieved March 24, 2014.{{cite web}}: CS1 maint: multiple names: authors list (link)
  8. Nancy Bartley and Ken Armstrong, Site has long history of slide problems, The Seattle Times, March 23, 2014.
  9. Zahid Arab. "What caused the landslide?". KING5 News online. King5.com. Retrieved March 24, 2014.
  11. "8 confirmed dead in mudslide; 18 still missing". The Seattle Times. Retrieved March 23, 2014.
  12. "Flash Flood Watch". National Weather Service. Retrieved March 23, 2014.
  13. "SR 530 Mudslide". Washington Department of Transportation. Retrieved March 23, 2014.
  14. "Landslide kills three, injures others in Washington state". Reuters. Retrieved March 23, 2014.
  15. 14 dead; 108 reports of missing people, Seattle Times, March 24, 2014. Accessed March 24, 2014; and A closer look at aerial image of Highway 530 mudslide - Interactive.
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