Made of the crust and the rigid mantle combined
the plastic-like layer below the lithosphere
Made of basalt, density 3.0g/cm3
Made of granite, density 2.7 g/cm3
where two plates move together and form mountain ranges
where two plates move away from each other
Primary waves - the fastest energy waves given off by an earthquake, can travel through solids, liquids, and gases
Secondary waves - the slower moving energy waves given off by an earthquake, can travel only through solids
an area where magma from deep within the mantle melts through the crust above it
the point on Earth's surface directly above an earthquake's focus
a liquid layer deep within Earth made primarily of iron and nickel
a deep canyon or ditch formed at a subduction zone
a sudden release of energy stored within earth's lithosphere
the time difference between the arrival of the p-waves and s-waves
the exact clock time that an earthquake occurred
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.