Surprise Quix Review (12/14) Flashcards
Seismographs
Records ground movements caused by seismic waves as they move through the earth
3 commonly used ways to measure an earthquake
Richter scale
Mercani scale
Moment magnitude scale
Three types of seismic waves
P wave
S wave
Surface waves
Seismic waves
A vibration that travels through earth carrying the energy released during an earthquake
Earthquake
The shaking that results from the movement of rock beneath earth’s surface
How do geologists locate the epicenter of an earthquake
Taking measurements from three seismographs
Focus
The point beneath earth’s surface where rock under stress breaks and triggers an earthquake
Epicenter
The point of surface directly above where an earthquake occurs
Magnitude
A measurement of earthquake strength
Surface waves
Slowest seismic waves that produce the most severe ground movements