Faults and Earthquakes

Earthquakes are common occurrence in Japan, Indonesia, and Philippines. Why is this so?

• Japan, Indonesia and Philippines are surrounded by seas.

• Japan, Indonesia and Philippines are located near the equator.

• Japan, Indonesia and Philippines are considered archipelagic countries.

• Japan, Indonesia and Philippines are found within the Pacific Ring of fire.

Tags

NGSS.MS-ESS3-2

Which of the following refers to the place where the earthquakes start?

• Fault

• Focus

• Epicenter

• Fault plane

What do you call the spot above the focus on the surface of the Earth?

• Fault

• Crust

• Focus

• Epicenter

Tags

NGSS.MS-ESS3-2

Scientists use different ways to describe how powerful an earthquake is. Which method refers to noting the effects of the earthquake on people, structures, and the surroundings?

• Focus

• Intensity

• Epicenter

• Magnitude

Which term refers to the released energy of an earthquake?

• Focus

• Intensity

• Epicenter

• Magnitude

What Philippine Agency is concerned in monitoring fault movement?

• Department of Labor and Employment (DOLE)

• Department of Environment and Natural Resources (DENR)

• Philippine Institute of Volcanology and Seismology (PHILVOCS)

• Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA)

Tags

NGSS.MS-ESS3-2

What is the other term used to describe Intensity V?

• Strong

• Devastating

• Very strong

• Destructive

Scientists use different ways to find out if a fault is active. Which one is NOT included?

• Scientist created a fault model.

• Scientist observed the surroundings.

• Scientist checked the country’s historical record.

• Scientist studied the past and present vibrations.

Tags

NGSS.HS-ESS2-1

Which of the following refers to the vibrations produced by an earthquake?

• Tidal waves

• Seismic waves

• Pressure waves

• Sea-surface waves

Tags

NGSS.MS-ESS3-2

Which type of stress is associated with a strike-slip fault?

• Tension

• Eustress

• Shearing

• Compression