this is the point on the surface directly above the area where energy was released
What is the Epicenter
100
Intensity
What is the degree of shaking at a given location, based on damage
100
Magma's composition, Magma's temperature, amount of disolved gasses
What is the viscosity of magma
200
This was discovered after WWII and provided evidenct that supproted Wegner's idea
What is the mid atlantic ridge
200
This plate will slide beneath another plate in convergent boundaries
What is the densest plate
200
on this fault 15ft of slippage occured in 1906
What is the SanAndreas fault
200
Magnitude scale
What is the Richter Scale
200
Lava flows, gases, pyroclastic materials
What is extruded during volcanic eruptions
300
Strong rigid layer broken into plates
What is the lithosphere
300
located near deep-ocean trenches
What is Volcanic Island Arch
300
Buildup of stress, bending, storing of elastic energy, slippage, elastic rebound.
What are the steps in Earthquake formation
300
adequately estimates large earthquakes, can be derived mathematically and varified by feild study.
What is Moment Magnitude
300
fluid basaltic lava congeals and wrinkles like a braided rope
What are Pahoehoe flows
400
drives plate tectonics
what is internal cpmvection
400
Created by what, these islands increase in age as you move away from the "Big Island"
What is Hot Spots
400
These waves travel through solids, liquids, and gases.
What are P waves
400
oceanic crust is displaced verically great amounts
What is the cause of a Tsunami
400
ejected fragments that range from dust to peices weighing several tons
What are Pyroclastic Materials
500
Plastic region beneath the lithosphere
what is the asthenosphere
500
at this point a particular mineral is magnetized
What is The Curie point
500
determine the distance between P wave and S wave, use time-travel graph, use 2 more seismographs, draw circles around location of each seismograph, locate intersection of all 3 circles.