Mt. St. Helens
57, Deer, 200
Along with the loss of ___ people, it is estimated that 5,000 black-tailed ____, 1,500 Roosevelt elk, _____ black bears, and 15 mountain goats also died.
1,300, North Side
At 8:32 an earthquake with a 5.1 magnitude occurred under Mt. St. Helens. Within moments the largest landslide in recorded history removed more than ______ ft from the summit and swept away almost the entire _______ ________ of the mountain.
Bulge, North
In late April a noticeable "______" began to form on the _______ face of the mountain.
30th
It is now the ____ highest peak in Washington State.
March 20
Mt. St. Helens showed her first signs of activity on Thursday, _______ ____, with a 4.1 magnitude earthquake centered beneath the volcano.
Ash
On March 27th, the mountain smudged the snow at her summit with her first puff of ____.
79
On March 30th, there was a record ____ earthquakes recorded on the mountain.
4
Scientist estimate that there is a large reservoir of magma __ miles beneath the crater.
gases, magma
The bulge was created by the building of hot ______ and ______ inside the mountain.
8,363
The elevation of the mountain dropped from 9,677 ft to _______ ft.
May 18, 1980
The eruption occurred on _____ ___, _______.
Logging
The hardest hit industry was ________.
70
The intense high pressure/temperature steam that escaped, instantly turned more than ___% of the snow and glacial ice, that was on the mountain, to water.
Spirit, Toutle
The massive movement of rock, ash, water, and downed trees swept into _________ Lake and down the north fork on the ________ River Valley at speeds of over 175 mph.
5
Throughout May the bulge grew __ ft per day.
100, 2.5
Today the bottom of Spirit Lake is _____ ft above the original surface. And now has __.__ more times more surface area than before the eruption.