Book 98 Earthquake Plan

Question 1

The movement between the North American Plate and the Pacific Plate pushes Los Angeles north, at a rate of about ______inches per year.

Seismologists predict an 80% to 90% probability, of a magnitude 7+ earthquake in Los Angeles, before the year ______

Answer 1

1 ¾ inches per year.

2024

Question 2

According to book 98 -

Records show that a Tsunami is likely to occur once every ______years in the Pacific Ocean. Statistics of Tsunami damage have shown that most losses occur in coastal areas below 20-foot elevations.

Answer 2

4 years

Question 3

the Pacific Tsunami Warning System detects Tsunamis in the air. Vertical-motion earthquakes (versus horizontal) which produce tsunamis also create acoustic waves in the ionosphere. These acoustic waves, traveling at _____mph, quickly outdistance the tsunami which travels between 40 and 50 mph

Answer 3

780mph