volcanoes
Earthquakes
stresses
boundaries
seismic waves
100
along a mid-ocean ridges and where a plate is subducted
What is the location most likely to find a volcano
100
focus
What is the point beneath Earth's surface where rock breaks under stress and triggers an earthquake?
100
tension
What pulls two rocks apart?
100
convergent
What causes compression force?
100
p waves
What can only move through solids?
200
magma
What is lava when it reaches the Earth's surface?
200
epicenter
What is the point on the surface directly above where rock breaks and an earthquake starts
200
compression
What pushes two rocks together?
200
divergent boundary
What causes tension stress?
200
s waves
What can move through any material?
300
Convergent plate
Why mountains that form by volcanoes along a coastline?
300
seismic waves
What is vibration that move through the ground carrying the energy released during an earthquake?
300
shearing
When 2 rocks slide past each other?
300
transform boundary
What causes shearing stress?
300
richter scale
What is rating system that measures the size of seismic wave released by an earthquake?
400
Volcanic arch
What is a volcano that happens because of subduction?
400
primary waves
What are p waves?
400
normal fault
What is caused by tension?
400
subduction
What causes volcanic arch?
400
moment magnitude scale
What is the measurement of total energy released by an earthquake?
500
going to erupt
What happens when many small earthquakes in the area near a volcano?
500
secondary waves
What are s waves?
500
reverse fault
What is caused by compression?
500
stress
What is a force that acts on rock to change its shape or volume?
500
three
What is the number of stations needed to find the epicenter