shisamsa sthewsofh thririririrririr Flashcards
ring of fire
path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes.
Strike-slip fault
Strike-slip tectonics or wrench tectonics is the type of tectonics that is dominated by lateral movements within the Earth’s crust
normal fault
a type of dip-slip fault where the hanging wall moves downwards from the footwall.
Reverse fault
a geological fault in which the hanging wall appears to have been pushed up along the footwall.
P-waves
A P wave is one of the two main types of elastic body waves, called seismic waves in seismology.
S-waves
a transverse earthquake wave that travels through the interior of the earth
epicenter
the central point of something, typically a difficult or unpleasant situation.
focus
a point at which rays of light, heat, or other radiation meet after being refracted or reflected. dez
Richter magnitude scale
an open-ended logarithmic scale for expressing the magnitude of a seismic disturbance
explosive volcano
occur where cooler, more viscous magmas
nonexplosive volcano
generally occur when magma is thin and flows easily.
Krakatoa
a volcanic island in Indonesia, in the Sunda Strait between Java and Sumatra
Yellowstone supervolcano
a volcanic center that has had an eruption of magnitude 8 on the Volcano Explosivity Index
San Andreas fault
The San Andreas Fault is a continental transform fault that extends roughly 1,200 kilometers through California.
Mid-oceanic ridge
A mid-ocean ridge is a seafloor mountain system formed by plate tectonics.
