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26 Cards in this Set

  • Front
  • Back

Fault and force at a divergent boundary

Normal tension

Fault and force at a transform boundary

Strike slip and shearing

Locating where the earthquake started is called

Triangulation

Scientist have been able to use earthquake waves to find out what about the earth

Make up and size of layers

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

Seismic waves

Earthquake waves that arrive at the surface first

Primary waves

Earthquake waves that cause the ground to shake and make rocks roll like an ocean wave

Surface wave

The movement of rock particles during the passage of S waves

Right angles

The movement of rock particles during the passage of P waves

Back and forth

The sequence of waves during an earthquake from first to last

Primary/secondary surface

Force that causes plates to move sideways past each other

Shearing

Type of stress that produces reverse faults

Compression

What type of fault is created by tensional forces

Normal

A fault where rock slip past each other sideways

Strike-slip

Type of force at a strike slip fault

Shearing

Force that pushes rock in opposite directions

Tension

Changes in Earth's interior that has been detected due to

Seismic waves

The force that squeezes rock together

Compression

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

Earthquake

Once the elastic limit of Rocks past they break and move along surface is called

Faults

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

Seismograph

Where energy is initially released during the earthquake is called

Focus

The middle of an earthquake is called

Epicenter

A layer of hot rock

Mantle

When arrows point toward each other it is a

Convergent boundary

When arrows point away from each other it is a

Divergent boundary