Jake

An online crossword puzzle with 20 words. Play it free at AgileCrosswords.com.

Clues

steep-sided volcano made of loosely packed tephra
scientist who studiesearthquakes and seismic waves
point of Earth's surface directely above an earthquake's focus
very dense, solid center od the Earth that is made of mostly iron
large opening formed when the top of a volcano collapes
remains or traces of a once living organism reserved by rock
largest layer inside Earth, lying directly above the outer core and that is made mostly of silicon,
surface along which rocks break and move
fossil formed when sediments fill in a mold and harden into rock
release of nuclear particles and energy from unstable atomic nuclei
plastic-like layer below the lithosphere
gaps in the rock layers due to erosion, nondeposition, or both
break in rock due to tension forces, where rock above the fault surface moves downward in relation t
measure of the energy released by an earthquake
liquid core that surrounds Earth's solid inner core, and that is made mostly of iron
steep-walled depression around a volcano's vent
Earth's outermost layer
in an earthquake, the point beneath Earth's surface where energy release occurs
surface along which rocks break and move
an opening on Earth's surface where magma is forced up and flows out as lava