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.