Volcanoes & Earthquakes Crossword

Liquid rock that forms under earths surface
Magma that flows into earths surface the rock that forms when lava cools and solidifies
A vent or fissure in earths surface through which magma and gases are expelled
Any activity that includes the movement of magma toward onto earths surface
A volcanically active area of earths surface commonly far from a tectonic plate boundary
Describes magma or igneous rocks that is rich in magnesium and iron and that is generally dark in color
Describes magma or igneous rock that is rich in feldspar and silica and that is generally light in color
Fragments of rock that form during a volcanic eruption
A movement or trembling of the ground that is caused by a sudden release of energy when rocks along a fault move
The sudden return of elastically deformed rock to its undeformed shape
In geology a seismic wave that travels through the body of a medium
The point on earths surface directly above an earthquakes starting point or focus
An area on earths surface where no direct seismic waves from a particular earthquake can be detected
The bending, tilting, and breaking of the Earth's crust; the change in the shape of rock in response to stress
The study of earthquakes
A seismic wave that causes particles of rock to move in a back-and-forth direction
a seismic wave that causes particles of rock to move in a side-to-side direction
Giant pieces of the Earth's thin, outermost layer that move around on top of a layer of plastic rock
A break in the Earth's crust along which blocks of the crust slide relative to one another
A measure of the strength of an earthquake
An area along a fault where relatively few earthquakes have occurred recently but where strong earthquakes have occurred in the past
Process of making older structures more earthquake resistant
a side vent
a giant, fast moving wave that is caused by an earthquake or volcano
the remains of something that has been destroyed or broken up