Earthquake Flashcards
fault
In geology, a fault is a planar fracture or discontinuity in a volume of rock
ring of fire
A large number of earthquakes and volcanic explosions.
transform / strike-slip
conservative plate
divergent / normal
occur where plates are moving apart.
convergent / reverse
Occers when the plates collide
P-waves
P-waves are a type of body wave, called seismic waves in seismology
S-waves
An S wave, or shear wave, is a seismic body wave that shakes the ground back and forth
epicenter
epicentrum is the point on the Earth’s surface that is directly above the hypocentre or focusepicentrum is the point on the Earth’s surface that is directly above the hypocentre or focus
focus
The point on the Earth’s surface located directly above the focus of an earthquake.
Richter scale
The Richter scale, developed in the 1930s, is a base-10 logarithmic scale, which defines magnitude
explosive volcano
An explosive eruption is a volcanic term to describe a violent, explosive type of eruption
nonexplosive volcano
A second type of volcanic eruption is a non-explosive or effusive eruption
Krakatoa
Krakatoa, or Krakatau, is a volcanic island situated in the Sunda Strait
Yellowstone supervolcano
The Yellowstone Caldera is the volcanic caldera and supervolcano located in Yellowstone National Park
San Andreas fault
The San Andreas Fault is a continental transform fault that extends roughly 1300 km through California.
