earthquakes

Question 1

ring of fire

Answer 1

region around much of the rim of the Pacific Ocean where many volcanic eruptions and earthquakes happen

Question 2

strike slip fault

Answer 2

two blocks slide past one another

Question 3

normal fault

Answer 3

block above the fault has moved downward relative to the block below

Question 4

reverse fault

Answer 4

opposite of a normal fault

Question 5

p-waves

Answer 5

one of the two main types of elastic body waves

Question 6

s-waves

Answer 6

one of the two main types of elastic body waves

Question 7

epicenter

Answer 7

point on the earth’s surface vertically above the focus of an earthquake

Question 8

focus

Answer 8

center of interest or activity

Question 9

Richter magnitude scale

Answer 9

assigns a number to quantify the amount of seismic energy released by an earthquake

Question 10

explosive volcano

Answer 10

an explosive eruption is a volcanic eruption of the most violent type

Question 11

nonexplosive volcano

Answer 11

Nonexplosive eruptions are the most common type of volcanic eruptions

Question 12

Krakatoa

Answer 12

also transcribed Krakatau, is a caldera in the Sunda Strait between the islands of Java

Question 13

The Yellowstone Calderam

Answer 13

is a volcanic caldera and supervolcano in Yellowstone National Park in the Western United States

Question 14

The San Andreas Fault

Answer 14

The San Andreas Fault is a continental transform fault that extends roughly 1,200 kilometers through California

Question 15

A mid-ocean ridge

Answer 15

A mid-ocean ridge is a seafloor mountain system formed by plate tectonics