Hosted by Mrs. Dempsey 100 200 400 300 400 Forces in Crust Earthquake Waves MonitoringSafety 300 200...

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Page 1: Hosted by Mrs. Dempsey 100 200 400 300 400 Forces in Crust Earthquake Waves MonitoringSafety 300 200 400 200 100 500 100.

Hosted

by

Mrs. Dempsey

Page 2: Hosted by Mrs. Dempsey 100 200 400 300 400 Forces in Crust Earthquake Waves MonitoringSafety 300 200 400 200 100 500 100.

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Forces in Crust

Earthquake Waves

Monitoring Safety

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Row 1, Col 1

What are the three types ofstress that affects rock?

Tension, Compression, Shearing

Page 4: Hosted by Mrs. Dempsey 100 200 400 300 400 Forces in Crust Earthquake Waves MonitoringSafety 300 200 400 200 100 500 100.

1,2

Name the three types of wavesin order from fastest

to slowest

P,S, Surface

Page 5: Hosted by Mrs. Dempsey 100 200 400 300 400 Forces in Crust Earthquake Waves MonitoringSafety 300 200 400 200 100 500 100.

1,3

Name 5 instruments that can monitor motion

along faults

Tiltmeter, creepmeter, satellite, laser

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1,4

What three words shouldyou remember when a quake

occurs

Drop, Cover, Hold

Page 7: Hosted by Mrs. Dempsey 100 200 400 300 400 Forces in Crust Earthquake Waves MonitoringSafety 300 200 400 200 100 500 100.

2,1

What are the three types of faults that stress can cause?

Reverse, Normal, Strike/Slip

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2,2

Where exactly does an earthquakeoccur?

Focus

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2,3

Which 2 instrumentsmeasure horizontal movement

Creepmeter, laser-ranging device

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2,4

Name 3 things you can do tobetter secure your hometo prepare for a quake

Secure chimney, cabinets, foundation

move bed away from window

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3,1

An upward fold in a rockis called …

anticline

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3,2

Which type of wave can travelthrough the outer core of the Earth?

Why?

P wave-can travel through liquids

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3,3

Name two things thata seismograph can record?

Seismic waves arrival times /Speed of waves

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3,4

Describe what Base-Isolation isand how it works

Reduces amount of shaking w/ springs or pads attached to foundation to allow structure to move

Page 15: Hosted by Mrs. Dempsey 100 200 400 300 400 Forces in Crust Earthquake Waves MonitoringSafety 300 200 400 200 100 500 100.

4,1

The Himalayas containmany of these kind of faults.

Reverse

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4,2

Name three things that are onlytrue about surface waves

Slowest, largest on seismogram, only travel on surface

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4,3

How does a seismograph helpus locate the distance

to an epicenter. Be specificWhat information is needed?

Arrival times of p and s waves = distance=radius=epicenter(3)

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4,4

What happens to wave-lengthand height of a tsunami when it

approaches a land

Height increases/wavelength decreases

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5,1

What two types of faults moveVertically?

Both faults/Normal=tension/Reverse=compression

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5,2

Name the three scalesthat we use to

rate earthquake?Which one measures

the total energy released during a quake? Magnitude?

Intensity?

Mercali, Richter, Moment Mag./Moment Mag.

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5,3

How far does a P wavetravel in 7 minutes?

How far does an S wavesravel in 7 minutes?

P-4000km / S-1900km

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5,4

What type of fault couldcause a tsunami to form?

Explain

Reverse-the ocean floor is thrusted upward moving the water on the ocean floor upward with it


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