Earthquake/volcano Flashcards
Ring of fire
Mount Tambora of Indonesia was the biggest eruption in the world happening in 1815
strike slip fault
a fracture in the rocks of Earth’s crust in which the rock masses slip past one another parallel to the strike
normal fault
a dip-slip fault in which the block above the fault has moved downward relative to the block below.
reverse fault
a geological fault in which the hanging wall appears to have been pushed up along the footwall.
p- waves
a seismic wave that causes participial of rock to move in a back and forth direction.
s waves
a seismic wave that causes particals rock to move in a side to side motion
epicenter
the point on earths surface directly above an earthquakes starting point, or focus
focus
the point along a fault at which the first motion of an earthquake occures.
Richter magnitude scale
is a measure of the strength of earthquakes
explosive volcano
an explosive eruption is a volcanic eruption of the most violent type
nonexplosive volcano
most common type of volcanic eruptions. These eruptions produce relatively calm flows of lava in huge amounts
krakatoa
in august 1883 was the biggest eruption
yellowstone supervolcano
631,000 years ago
San adreas fault
a continental transform fault that extends roughly 1,200 kilometers through California.
mid organic fault
normal fault
