chapter 11 review

chapther 11 review.notebook

1

October 25, 2011

Oct 258:

25 AM

Section 1 Forces

inside earth

Plate movement

rocks reach

elastic limit

they will break

When they break

vibrations

are released in form

earthquake

Earthquakes occur along

Faults

Oct 258:

32 AM

Normal Fault

Reverse Fault

StrikeSlip

Fault

Oct 258:

37 AM

Section 2 Feature of Earthquake

Primary Wave

Secondary Wave

Surface Wave

goes

further and fastest

moves straight

compress and stretch rocks

move rocks up and

down at right angles of

the wave

moves in a

backward

rolling and sideways

swaying motion

chapther 11 review.notebook

2

October 25, 2011

Oct 258:

49 AM

Seismograph

tool used measure

vibrations of earthquake

.

Focus

is the origin of earthquake

located where plates are moving

Epicenter

point above focus

On the surface

Seismologist

studies

seismic waves

Magnitude

Oct 259:

33 AM

Richter Scale

measuring

magnitude

/ vibrations

Scientist

believe highest Would

9.5

upper limit

however there is no

Mercalli

measuring intensity

damage done

Earthquake Safety