THE R3PTAR WAS A BIG HIT!
RESEARCH
How much damage did Mt. St. Helens cause in its 1980 eruption?
$1.1 billion. Fifty-seven people were killed and 200 homes, 27 bridges, 15 miles (24 km) of railways and 185 miles (300 km) of highway were destroyed.
The eruption killed 57 people, in the lateral blast, ashfall, and lahars. The causes to death included asphyxiation, thermal injuries, and trauma. Four indirect death were caused by a cropduster hitting powerlines during the ashfall, a traffic accident during poor visibilty, and two heart attacks from shoveling ash.
The Cost of Volcanic Eruptions details the economic impacts of the eruption.
The Toutle River was flooded by melting snow and ice from the mountain. About 12 million board feet of stockpiled lumber were sweep in the river. Eight bridges were destroyed. 200 homes were destroyed or damaged. Debris dams were added to help control sediment in the rivers.
Thirty logging trucks, 22 transport vehicles, and 39 railcars were damaged or destroyed along with 4.7 billion board feet of timber.
Shipping was stopped on the Columbia River and some vessels were stranded. In eastern Washington, falling ash stranded 5,000 motorist. Ash had to be cleared from runways and highways.
For a limited time, some people living near the eruption suffered from post traumatic stress syndrome: depression, troubled sleep, irritability, ans a sense of powerlessness.
From 1980-1990, 74 research projects were funded by the National Science Foundation at a total cost of just less than $5 million. The Mount St. Helens Visitors Center at Castle Rock cost $5.5 million to construct. Trails, roads in the park, and interpretive centers cost another $42.3 million. New highway and bridges from the Toutle River to Johnston Ridge cost $145 million. facilities along this road will cost another $25 million.
Sources of Information
Carson, R., 1990, Mount St. Helens: The Eruption and Recovery of a Volcano: Sasquatch Books, Seattle Washington, 160 p.
Simkin, T., and Siebert, L., 1994, Volcanoes of the World: Geoscience Press, Tucson, Arizona, 349 p.
WHAT HAVE WE LEARNED SINCE THE ERUPTION OF MT. ST. HELENS IN 1980 AND IN 2004-2008?
A principal objective has been to adopt new technologies that integrate many instruments into a single package to lower power requirements, reduce instrument footprint on sensitive landscapes, be portable for rapid deployment into remote areas, and transmit data effectively back to the CVO. These requirements were met during the 2004-2008 eruption of Mount St. Helens when CVO engineers developed the Spider monitoring unit. The Spider houses several instruments in one container to detect earthquakes, ground swelling and contractions, as well as changes in gas chemistry from emitted volcanic fumes. The instrument spider can be deployed by helicopter, and reduces dangers to scientists who previously were required to spend long periods of time in hazardous volcanic areas. When volcano conditions are stable, scientists deploy permanent stations that use similar instrument packages for long-term volcano monitoring.
BRAINSTORMING.
The team discussed models to build. Daisy suggested a crank radio. Cadence suggested building a Super Spider. The team was split. The team decided to build both. Ammar and Anush will work on building a crank radio. The girls will build the Super Spider.
BUILDING
Anush and Ammar created a prototype of a crank radio. They told me what they thought they might need (order Lego bricks) to build the radio.
OMSI PRESENTATION
Daisy and Cadence came up with ideas for team t-shirts and presented them to the team.
MAYA AND EMMA disassembled the R3PTAR to prepare to build a spider.
A principal objective has been to adopt new technologies that integrate many instruments into a single package to lower power requirements, reduce instrument footprint on sensitive landscapes, be portable for rapid deployment into remote areas, and transmit data effectively back to the CVO. These requirements were met during the 2004-2008 eruption of Mount St. Helens when CVO engineers developed the Spider monitoring unit. The Spider houses several instruments in one container to detect earthquakes, ground swelling and contractions, as well as changes in gas chemistry from emitted volcanic fumes. The instrument spider can be deployed by helicopter, and reduces dangers to scientists who previously were required to spend long periods of time in hazardous volcanic areas. When volcano conditions are stable, scientists deploy permanent stations that use similar instrument packages for long-term volcano monitoring.
BRAINSTORMING.
The team discussed models to build. Daisy suggested a crank radio. Cadence suggested building a Super Spider. The team was split. The team decided to build both. Ammar and Anush will work on building a crank radio. The girls will build the Super Spider.
BUILDING
Anush and Ammar created a prototype of a crank radio. They told me what they thought they might need (order Lego bricks) to build the radio.
OMSI PRESENTATION
Daisy and Cadence came up with ideas for team t-shirts and presented them to the team.
MAYA AND EMMA disassembled the R3PTAR to prepare to build a spider.
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