Earthquakes and Volcanoes Crossword

An earthquake that occurs after a larger earthquake occurs in the same area.
The shaking that results from the movement of rock near a fault underneath the surface.
Type of seismic wave that pushes and pulls ground back and forth. Also the fastest wave.
Type of seismic wave that moves the ground side to side or up and down.
An instrument that measures earthquake strength with a needle and ink making wavy lines.
The paper that shows the wavy lines from a seismograph.
A major belt or circle of volcanoes that appears around the Pacific Ocean.
A volcano that is not currently active, but may become active in the future.
A volcano that is no longer active and is not expected to become active in the future.
Type of volcano displaying quiet eruptions and more gentle slopes.
Type of volcano that displays explosive eruptions and much steeper sides.
A crack or break in the rock.
A place where the crust moves on either side of the fracture, usually causing earthquakes.
The type of seismic wave that is most damaging and slowest moving, also called surface waves.
The point on Earth's surface directly above the focus that shakes the hardest during earthquakes.
The point underneath the earth on or near a fault where an earthquake actually starts.
A fountain of water and steam heated by magma underground that erupts at regular intervals, found in Yellowstone National Park
A scale that measures the length of an earthquake and the energy released.
A series of large sea waves caused by an underground earthquakes that shove up earth near an ocean.
When rocks move, they release this form of energy.
Areas in the crust that are weaker and magma below rises to the surface. Above, the plate may move.
The most famous example of a hot spot.
A lesser known hot spot that contains geysers and once was a super-volcano
Located in the San Fernando Valley, this earthquake measured 6.4 on the Richter scale and is one of the most destructive California Earthquakes