Plate Tectonics

An online crossword puzzle with 10 words. Play it free at AgileCrosswords.com.

Clues

The theory explaining the structure of the earths crust
A sudden and violent shaking of the ground
A seismic wave that can travel through the interior of the earth
an open vent in which magma erupts out
The 1st scientist to discover the theory
A small earthquake that follows a larger earthquake
A steep-sided volacano formed by the explosive eruption of cinders that form around a vent
A steep-sided volcano built by lava flows and tephra deposits.
Not associated with an earthquake, as in aseismic slip. Also used to indicate an area with no record
A volcano that resembles an inverted warrior's shield. It has long gentle slopes produced by multipl