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Volcano: Mt St. Helens

On May 18th, 1980. Mt St Helens erupted. For those of us who lived in Washington State at the time, it was life rearranging. We who were out of the direct blast path watched in horror as it wiped away everything in it's path. Do you know the answers to the following questions? Mt. St. Helens does.
Quiz by hectorprin
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Last updated: January 25, 2021
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First submittedJanuary 21, 2021
Times taken4
Average score23.1%
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Question
Answer
What was the name of the lake directly in the blast path of the eruption?
Spirit Lake
What river carried mud and debris down toward the columbia river?
Toutle River
What was the date biggest eruption in 123 years?
May 18th 1980
What is the translation of, Loowitlatkla, the Puyallup tribe's name for Mt. St. Helens?
Smoking Mountain
What small communities were wipe off the map by the eruption?
St Helens
Camp Baker
How tall was the eruption column?
80,000 ft
How many states did ash fall on in the following days?
11
How many canadian provinces?
2
how many megatons of tnt was the eruption equivalent to?
26 megatons
What signaled the return to life after 123 years on March 20th, 1980?
an earthquake
What was it's magnitude?
4.2
What is the most commonly cited number of deaths associated with the eruption?
57
How did most of those people die
Asphyxiation
What was the name of the man who refused to leave his home as people were being asked to evacuate between march and may, and who shares a name with a president?
Harry Truman
What happened at 8:32 AM on May 18th that was the largest of its kind in recorded history?
a landslide
How high was the resulting wave created by the trees, mud, and debris crashing into the above named lake?
600 ft.
What was the name of the volcanologist who died less than a minute into the eruption?
David A. Johnson
How far away was he when he died
6 miles
Was his body ever found?
No
How many bridges on the north fork of the above named river were washed away by the mudslides and debris
7
How many feet smaller was Mt. St. Helens after the eruption?
1280 ft
What is the Mt. St. Helens mountain and blast zone now called?
Mt. St. Helens National Volcanic Monument
How much monetary damage was done by the eruption in 1980 dollars?
$1.1 billion
how much timber was damaged or destroyed?
4 billion board feet
How much ash was removed from roads and airports of the state of Washington alonge?
2.4 million cubic yards
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