Question

6. (a) What two major changes have occurred in the North Fork Toutle River?

Answer 1

A massive landslide Mud flows in the Toutle river.

How changes have occurred in the North Fork Toutle River?

There had been many earthquakes in the area prior to eruption but this happen to be a massive land slide because a moving magma have over steepened the mountain slopes.

This geologic process uses gravity to cause rock, soil, artificial fill or a combination of the three to move down a slope. Slow weathering of rocks as well as soil eruption and volcanic activity also causes landslides

Thus, massive landslide Mud flows in the Toutle river.

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