Geology terms Crossword

Shaking of the earth.
Whats an earthquake specialist called ?
An instrument used to produce seismograms.
What kind of frequency does a long wavelength have ?
a mountain that is formed on earths surface with lava
a pipe like opening at the top of the volcano
motlen rock inside the volcano
when magma reaches the earth's surface, what's it called ?
what's it called when a volcano erupts ?
what are inactive volcanoes called ?
lava that come erupt as ash, cinders, and large rocks.
which volcano is steep sided
which volcano have mafic lava ?
which lava cools and hardens into different material
which volcano is a combination of cinder cone and shield volcanoes ?
the movement of what causes earthquakes ?
how many types of plate boundaries are there ?
which plate goes apart ?
which kind of plate boundary slide past each other ?
which plate boundary collides into each other ?