Science 7 Quiz #2 4th Quarter

Front

This wave creates a rolling motion, making the ground move up and down and side to side in the same direction

Back

Rayleigh wave

Front

This is the point where the earthquake originates

Back

Focus

Front

These are the earth's vibrations caused by the sudden release of energy held in rocks that have been deformed by forces coming from moving tectonic plates

Back

Seismic Waves

Front

These are smaller seismic events that may be recorded following the main earthquake

Back

Aftershocks

Front

These are two types of seismic waves released during an earthquake

Back

Body Waves

Front

It is the measure of earthquake size, which reflects the amount of energy released from the source

Back

Magnitude

Front

This is the point on the earth's surface directly above the focus

Back

Epicenter

Front

It is an instrument that measures seismic vibrations detected during an earthquake

Back

Seismometer

Front

This is the measure of an earthquake's effect on a specific location on the earth's surface

Back

Intensity

Front

This is used to assess the intensity of an earthquake in the Philippines

Back

PEIS or PHIVOLCS Earthquake Intensity Scale