fixed point on a lever that doesn't move, it is where the lever twists and turns.

• center
• fulcrum
• focus
• screw

It is the molten rock underground.

• magma
• lava
• spring

These are vibrations that travel through Earth during earthquake.

• tsunami
• aftershock
• seismic waves

It is the shaking of Earth’s crust caused by the sudden release of energy in the rocks underground.

• tornado
• earthquake
• tsunami

It is the measure of the earthquake’s severity on Earth’s surface and on humans. It depends on your location.

• intensity
• magnitude

It is the area on Earth’s surface directly above the focus.

• epicenter
• hypocenter
• center

It is an instrument use to record seismic waves.

• wavograph
• earthquakegraph
• seismograph

these are the people who studies seismic waves to determine the epicenter of an earthquake

• geologists
• seismologists
• astronomers

The point within earth where an earthquake comes from. It is where the earthquake originated.

• epicenter
• hypocenter
• center

what are volcanic earthquakes?

• these are caused by the movement of crusts
• these are caused by the movements of continents
• these are caused by the magma inside a volcano
• these are called by the climate change