enSCSection 2 Vocabulary9
focus : are beneath Earth's surface where rock that is under stress breaks and triggers an earthquake
surface waves: move more slowly than P or S waves, but they can produce severe ground movements
magnitude : the number that geologists assign to an earthquake based on the earthquakes size
moment magnitude scale : a rating system that estimates the total energy released by an earthquake
seismograph : a machine that measures seismic waves
richter scale : rates an earthquake magnitude based on the size of the earthquakes seismic waves
epicenter : the point on the surface directly above the focus of an earthquake
Mercalli Scale : rates earthquakes according to the level of damage at a given place
earthquake : shaking and trembling that results from the movement of rock beneath Earth's surface
Section 2 Vocabulary
PRGOAEISSMH
a machine that measures seismic waves
ICNEPEETR
the point on the surface directly above the focus of an earthquake
SEALCARLILECM
rates earthquakes according to the level of damage at a given place
TEMEAULGMNEODATMNCSI
a rating system that estimates the total energy released by an earthquake
ACUEFSSAWERV
move more slowly than P or S waves, but they can produce severe ground movements
ECHESALRCTRI
rates an earthquake magnitude based on the size of the earthquakes seismic waves
EUTIMNGDA
the number that geologists assign to an earthquake based on the earthquakes size
TAUAKEHQER
shaking and trembling that results from the movement of rock beneath Earth's surface
OUSCF
are beneath Earth's surface where rock that is under stress breaks and triggers an earthquake