mount st helen

A detailed Summary of mount st helen

Mount St. Helen is a volcano located along the cascade range, which is a volcano chain

stretching from Northern California to British Columbia. Mount St Helen now stands at a height

of 8,364 feet above sea level. Mount St. Helen was one the smaller eruptions of five major

ones in Washington State. It's elevation before the eruption was 9,677 feet high. On March

29, 1980 after a period of one-hundred and twenty-three years of inactivity a earthquake under

As magma pushed up from beneath the earth's surface, the north side of the mountain

developed a bulge. Angle and slope-distance measurements indicating that the bulge was

growing at a rate of 1.5 feet per day (thompson pg 23). May 17 the volcano's north side

had been pushed upward and outward 450 feet (thompson pg 24). May 18 at 8:32

a.m. Pacific daylight time a magnitude 5.1 out of a possibl

(Carson pg11). A total of 1.6 billion dollars of damage was caused by the blast of the volcano.

by the blast. Of the seedlings planted 70% have survived and grown up to 20 feet high(Carson

Nearly 135 miles of river were effected by the volcano, 185 miles of roads were non drivable, and

reached as far as Idaho. Ashes reached 11 states. The total amount of ash that fell was .26

above sea level. The ashes went eastward at about 60 miles per hour. By noon the ashes had

seismic station near the dome of the mountain. The University of Washington State in conjunction

Approximate Word count = 628
Approximate Pages = 3 (250 words per page double spaced)

Category: Science

join now Save Paper

Saved Paper

Save your papers so you can locate them quickly!

"Thank You So Much!!! You have saved me once again!!!"
Jack M.
"With so many papers to chose from, I was able to get ideas to help me with all of my classes. Thank You!"
Brian P.
"I've used this site for the last 3 years to help me come up with ideas for my papers."
Sara J.
"I use this site every week to help me write my own papers!"
Rachel W.
"I love this site!!!"
Marie N.