earthquakes Flashcards
a break in a body of rock along which one block slides relative to another; a form of brittle strain
fault
a
ring of fire
the boundary between tectonic plates that are sliding past each other horizontally
transform / strike-slip
the boundary between two tectonic plates that are moving away from each other
divergent / normal
the boundary between tectonic plates that are colliding
convergent / reverse
a
P-waves
a
S-waves
the point on Earth’s surface directly above an earthquake’s starting point, or focus
epicenter
the location within Earth along a fault at which the first motion of an earthquake occurs
focus
a
Richter scale
a
explosive volcano
a
Krakatoa
a
Yellowstone supervolcano
a
San Andrea fault
a
Mid-oceanic ridge
a
shield volcano
a
cinder cone volcano
a
composite volcano
a
hot spot
a
nonexplosive volcano
