flihjgehghd Flashcards
ring of fire
a path along the Pacific Ocean characterized by active volcanoes
Strike-slip fault
vertical (or nearly vertical) fractures where the blocks have mostly moved horizontally
Normal fault
a type of dip-slip fault where the hanging wall moves downwards from the footwall.
Reverse fault
the block above the fault moves up relative to the block below the fault.
P-waves
one of the two main types of elastic body waves,
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
the center of interest or activity.
Richter magnitude scale
is a measure of the strength of earthquakes, developed by Charles Francis Richter and presented in his landmark 1935 paper,
explosive volcano
In volcanology, an explosive eruption is a volcanic eruption of the most violent type. A notable example is the 1980 eruption of Mount St. Helens.
. nonexplosive volcano
generally occur when magma is thin and flows easily.
Krakatoa
Krakatoa also transcribed Krakatau is a caldera in the Sunda Strait between the islands of Java and Sumatra in the Indonesian province of Lampung.
Yellowstone supervolcano
Yellowstone Supervolcano, is a volcanic caldera and supervolcano in Yellowstone National Park
San Andreas fault
The San Andreas Fault is a continental transform fault that extends roughly 1,200 kilometers (750 mi) through California.
. Mid-oceanic ridge
The massive mid-ocean ridge system is a continuous range of underwater volcanoes that wraps around the globe like seams on a baseball, stretching nearly 65,000
