Liquefaction occurs when:

Question

Question: Liquefaction occurs when:

Options:

1.  water from a seiche washes away soil.
2.  flooding occurs as a secondary effect of an earthquake.
3.  ground motion causes loose, sandy soil to act like a fluid
4.  rivers are created at fault lines.

Answer 1

3. Ground motion causes loose, sandy soil to act like a fluid

Liquefaction occurs when ground motion causes loose, sandy soil to act like a fluid.

(Snapshot taken from https://www.usgs.gov/faqs/what-liquefaction)