Earthquake Vocabulary

Someone who studies earthquakes

• Seismogram
• Richter Scale
• Seismologist
• Seismology

Someone who studies earthquakes

• Seismogram
• Richter Scale
• Seismologist
• Seismology

A point inside the Earth where the earthquake begins

• Epicenter
• Focus
• Fault
• Aftershock

Scale that measures earthquake intensity on a scale of 1-10

• Seismic Waves
• Seismology
• Mercalli Scale
• Richter Scale

A wave of energy that travels through the Earth away from an earthquake in all directions

• Secondary waves
• Seismic Waves
• Primary Waves
• Afterschock

An instrument that records seismic waves

• Seismograph
• Seismogram
• Seismology
• Seismologist

A break in the body of a rock where one block slides relative to another.

• Surface Wave
• Aftershock
• Elastic Rebound
• Fault

The shaking of the ground

• Tsunami
• Seismologist
• Earthquake
• Focus

Minor shock(s) following the main shock of an earthquake.

• Aftershock
• Tsunami
• Primary Waves
• Secondary Waves

A seismic wave that compresses and expands rock.  It is the fastest wave.  It arrives "on scene" first.

• Secondary Wave
• Aftershock
  
• Primary Wave
• Seismic Wave