Earthquake, Seismic Waves, Intensity

Question 1

A fracture or zone of fractures between two blocks of rock.

Answer 1

Fault

Question 2

A sudden release of energy due to stress accumulation along faults.

Answer 2

Earthquake

Question 3

Large sea waves caused by underwater earthquakes or other disturbances.

Answer 3

Tsunami

Question 4

Measure of how much an area was shaken during an earthquake; felt by people.

Answer 4

Intensity

Question 5

Total amount of energy released at the earthquake’s focus.

Answer 5

Magnitude

Question 6

Instrument used to measure the magnitude of earthquakes.

Answer 6

Richter Scale

Question 7

Fast seismic waves that travel through both solid and liquid layers.

Answer 7

P-waves (Primary Waves)

Question 8

Slower seismic waves that can only travel through solid layers.

Answer 8

S-waves (Secondary Waves)

Question 9

Waves produced by the sudden breaking of rock within the earth, causing earthquakes.

Answer 9

Seismic Waves

Question 10

Agency responsible for monitoring volcanic and seismic activities in the Philippines.

Answer 10

PHIVOLCS