Earthquakes

Question 1

P-waves

Answer 1

seismic wave that causes (back and forth motion)

Question 2

S-waves

Answer 2

Seismic wave that causes (side to side motion)

Question 3

eqicenter

Answer 3

Point on earths surface directly above the starting point

Question 4

Focus

Answer 4

Point along the fault at which the first motion of an earth quake occurs

Question 5

Ring of Fire

Answer 5

Linear zone of seismic and volcanic activity

Question 6

Strike-Slip Fault

Answer 6

A fault on which two blocks slide past one another

Question 7

Normal Fault

Answer 7

inclined fractures where the blocks have mostly shifted vertically

Question 8

Reverse Fault

Answer 8

A fracture or zone between 2 blocks to move relative to each other

Question 9

P-Waves

Answer 9

Back and forth motion

Question 10

S-Waves

Answer 10

Side to side direction

Question 11

Epicenter

Answer 11

Earths surface directly above the starting pont

Question 12

Focus

Answer 12

Point along the fault at which the first motion occurs

Question 13

Richter Magnitude Scale

Answer 13

Measure the strength of an earthquake

Question 14

Explosive Volcano

Answer 14

Most violent type of eruption

Question 15

Nonexplosive Volcano

Answer 15

The most common type of eruption

Question 16

Krakatoa

Answer 16

island in indonesia

Question 17

Yellowstone Super volcano

Answer 17

1000 times more powerful than a regular volcano

Question 18

Reverse Fault

Answer 18

Fault plane dips toward the up thrown block.

Question 19

San Andreas Fault

Answer 19

Right moving strike fault - boundary between North american plate on east and pacific plate on west.

Question 20

Mid-oceanic ridge

Answer 20

An underwater mountain system.

Question 21

Shield volcano

Answer 21

Large volcano with shallow sloping sides.

Question 22

Cinder cone volcano

Answer 22

The smallest type of volcano.

Question 23

Composite Volcano

Answer 23

Built up by many layers of hardened lava and tephra.

Question 24

Hot Spot

Answer 24

Area or region with hot temperature in comparison to its surroundings.

Question 25

Mt. Vesuvius

Answer 25

Stratovolcano - active in Gulf of Naples, Italy. Built up of many layers of hardened lava.