SCIENCE 8 INTENSITY AND MAGNITUDE

It describes how much an area was shaken.

• Magnitude

• Fault

• Seismic scale

• Intensity

It is the total amount of energy that was released by the earthquake at the focus.

• Intensity

• Seismic wave

• Magnitude

• Fault scale

It is a scale that describes the total amount of energy that is released by an earthquake.

• Moment Magnitude Scale

• Earthquake intensity Scale

• Richter Magnitude Scale

• PEIS

An earthquake may be described with more than one value of intensity but _________ value of magnitude.

• two

• three

• one

• none of the above

It is the thickest of all the layers and is about 2,890 km thick.

• Crust

• Mantle

• Outer core

• Inner core

It is the only liquid layer, composed of iron and nickel.

• Mantle

• Inner core

• Outer core

• Crust

It is the solid rock layer of that makes up the outermost shell. It could be as thin as 5 km or as thick as 70 km

• Inner core

• Mantle

• Outer core

• Crust

These are the waves of energy caused by the sudden breaking of rock within the earth.

• Transverse waves

• Longitudinal waves

• Compressional waves

• Seismic waves

PHIVOLCS means _______________.

• Philippine Volcanology and Seismology

• Philippine Institute of Volcanology and Seismology

• Philippine Inspection of Volcanology and Seismology

• Philippine Institute of Volcanic and Seismic Energy

PHIVOLCS is an agency under which department?

• Department of Science and Technology

• Department of Volcanology and Seismology

• Department of Environment and Natural Resources

• Department of labor and Employment