5.2 science earthquake measurements Flashcards
1
Q
instruments located or near the surface of the earth that record seismic wave
A
seismograph
2
Q
a tracing of earthquake motion and is created by a seismograph
A
seismogram
3
Q
the point on earths surface directly above an earthquakes starting point, or focus
A
epicenter
4
Q
the point along a fault at which the first motion of an earthquake occurs
A
focus
5
Q
perhaps the simplest method by which seismologists find an earthquake’s epicenter is the S-P time method
A
time method
6
Q
throughout much of the 20th century, seismologists used the Richter magnitude scale, to measure the strength of earthquakes
A
richter magnitude scale
7
Q
a measure of the degree to which an earthquake is felt by people and the amount of damage caused by the earthquake, if any, is called intensity.
A
intensty
