earthquake

Question 1

earthquake

Answer 1

shaking of the earths surface

Question 2

2 major reasons on why earthquake happens

Answer 2

collision, tectonic plates

Question 3

seismology

Answer 3

study of earthquakes

Question 4

seismologists

Answer 4

people who study earthquakes

Question 5

magnitude

Answer 5

measure of the strength of an earthquake, defined by charles richter in 1935

Question 6

richter scale

Answer 6

measurement of seismic waves, determine the magnitude of an earthquake at its epicenter. 1-10

Question 7

intensity

Answer 7

measure of the effects

Question 8

modified mercalli scale

Answer 8

I-Xii. measuring the intensity, dvised by giuseppe mercalli in 1903

Question 9

anatomy of an earthquake

Answer 9

• plates
• fault
• epicenter
• hypecenter/focus
• seismic waves

Question 10

plate

Answer 10

massive rocks that makes up the earths crust

Question 11

fault

Answer 11

a fracture in the rocks that makes up the earths crust

Question 12

epicenter

Answer 12

point above fault. point above the surface

Question 13

hypocenter/focus

Answer 13

point below epicenter. where an earthquake rupture starts

Question 14

seismic waves

Answer 14

energy released by an earthquake that goes in all directions.
used by scientists in analyzing the composition and interior of the earth

Question 15

used by scientists in determining the epicenter of an earthquake

Answer 15

triangulation method

Question 16

seismograph

Answer 16

an instrument which detects the prescence of an earthquake