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27 Cards in this Set

  • Front
  • Back

Fault and force at a divergent boundary

Normal fault


Tensión force

Fault and force at a transform boundary

Strike - slip fault


Shearing force

Locating the earthquake epicenter by drawing three circles and finding where the tree intercept is called

Triangulation

Scientist have been able to to use earthquakes waves to find out what about the Earth

The 4 different layers of the earth

Vibrations caused by energy released when a break occurs at a fault is...

An Earthquake

Earthquake waves that arrive at the surface first

Primary

Earthquakes waves that cause the ground to shake and makes rocks roll like an ocean wave

Surface

He movement of rock particles during the passage of s waves

Right angles


Up and down


The movement of rocks during a p wave

Back and forth

The sequence of waves during an earthquake from first to last

P waves


S waves


Surface waves

Force that causes plates to move sideways past eachother

Shearing

Type of stress that produces reverse faults

Commpressional

What type of fault is created by tension forces

Normal

A fault where rocks slip past each other sideways

Strike - slip fault

Type of force at a strike -slip fault

Shearing

Force that pushes rock in opposite directions

Shearing

Changes in the earths interior have been detected due to

Seismographs

The forces that squeezes rock together

Commpressional

When the force on rock is great enough they break producing vibrations called

Earthuakes

Once the elastic limit is passed they break and move along sufaces called

Faults

Measuring the time between the arrival of p waves and S waves determines the distance between the epicenter and the

Seismographs station

Point a where energy is reals ed during the earthquake is called the

Focus point

Point b is called the earthquake

Epicenter

What type of fault is illustrated in this día gram

Normal

A layer of hot rock

Mantle

When arrows at plate boundaries are pointed towards eachother it is a

Convergent boundary

When arrows are pointed away from each other at plate boundaries it is a

Divergent boundary