Lesson 5.2 Flashcards
(8 cards)
an instrument that records vibrations in the ground and determines the location and strength of an earthquake
seismograph
a tracing of earthquake motion that is created by a seismograph
seismogram
the point on the Earth’s surface directly above an earthquake’s starting point, or focus
epicenter
the point along a fault at which to first motion of an earthquake occurs
focus
the simplest method that scientists use to find an earthquake’s epicenter
S-P time method
a scale used to measure the magnitude, or strength, of Earthquakes
Richter magnitude scale
the measure of the degree to which an earthquake is felt by the people and the amount of damage caused by the earthquake
intensity
the measure of the strength of an earthquake
magnitude