Earthquake Review

Question 1

Seismic wave that travels through solids & liquids

Answer 1

P Wave

Question 2

This type of fault happens at transform plate boundaries

Answer 2

Strike-Slip

Question 3

Seismic waves tend to slow down as they travel through ___ material.

Answer 3

hot

Question 4

Earthquake waves ___ in intensity the farther you move away from the epicenter

Answer 4

decrease

Question 5

S waves can not travel through the outer core proved that Earth’s outer core is

Answer 5

liquid

Question 6

Fastest seismic waves

Answer 6

P-Wave

Question 7

Two blocks of rock slide horizontally past each other in opposite directions

Answer 7

Strike-Slip, Transform

Question 8

This type of fault happens at convergent plate boundaries

Answer 8

Reverse

Question 9

Instrument that measures & records ground motion

Answer 9

seismometer

Question 10

In what region do 80% of earthquakes occur?

Answer 10

Circum-Pacific

Question 11

Slowest seismic wave

Answer 11

Surface

Question 12

When energy is released during an earthquake, it is strongest near the ___

Answer 12

Epicenter

Question 13

At what type of boundary do deep earthquakes occur?

Answer 13

Convergent

Question 14

Seismic wave that generally cause the most damage at Earth’s surface

Answer 14

Surface

Question 15

Spot inside the Earth where Earthquakes first start!

Answer 15

Focus

Question 16

At what type of boundary do shallow earthquakes occur?

Answer 16

Divergent

Question 17

The location at Earth’s surface directly above the Earthquake’s focus

Answer 17

Epicenter

Question 18

A scientist that studies earthquakes

Answer 18

seismologist

Question 19

This type of fault happens at divergent plate boundaries

Answer 19

Normal Fault

Question 20

Seismic wave that only travels through solids

Answer 20

S-Wave

Question 21

A graphical illustration of seismic waves

Answer 21

seismogram

Question 22

Earthquakes happen when tectonic plates move & the edges stick together, but the plates keep moving so… ___!

Answer 22

snap

Question 23

A break in the Earth’s lithosphere where one block of rock moves toward, away or past another

Answer 23

fault

Question 24

Earthquake waves originate from where rocks first move along a fault, at a location inside the earth

Answer 24

focus

Question 25

Seismic wave that cause particles in the ground to move in a push-pull motion similar to a coiled spring

Answer 25

P-Wave

Question 26

Earthquake scale that measures earthquake intensity based on the descriptions of all earthquake’s effects on people & structures. Used to evaluate earthquake intensity based on the damage that results

Answer 26

Mercalli

Question 27

Method that uses the speeds & travel times of seismic waves to determine the distance to an earthquake’s epicenter from at least 3 seismometers

Answer 27

Triangulation

Question 28

The type of fault that forces pull two blocks of rock apart. The block of rock above the fault moves down relative to the block below the fault

Answer 28

Normal

Question 29

Seismic wave that cause particles to move up & down at right angles relative to the direction the wave travels

Answer 29

S-Wave

Question 30

The type of fault that forces (pushes) two blocks of rock together. The block above the fault moves up relative to the block below the fault

Answer 30

Reverse

Question 31

Earthquake scale that uses the amount of ground motion at a given distance from an earthquake to determine magnitude. Used when reporting to the general public

Answer 31

Ritcher

Question 32

Vibrations in the ground that result from movement along breaks in the Earth’s lithosphere

Answer 32

Earthquake

Question 33

The type of fault where two blocks of rock slide horizontally past each other in opposite directions

Answer 33

Strike-Slip

Question 34

Seismic wave that cause particles in the ground to move up & down in a rolling or elliptical motion in the same direction that waves travel - similar to ocean waves

Answer 34

Surface

Question 35

#1 Strongest earthquake in the USA - 1964 Prince William Sound in ___.

Answer 35

Alaska

Question 36

#1 Strongest earthquake in the World 1960 -Bio-Bio, ___ (valdivia earthquake)

Answer 36

Chile