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Earthquakes

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Trent Rodriguez

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Cards in this guide (10)
How much of an increase in wave amplitude is seen from an earthquake measuring 5.4 on the Richter scale compared to one measuring 4.4

Ten times

Violent shaking from an earthquake can cause soil and rock on slopes to move and cause a

Violent shaking from an earthquake can cause soil and rock on slopes to fail and cause a landslide

The scale most widely used by scientists for measuring earthquakes is the

The Richter Scale

Which is not a factor in calculating the moment magnitude of an earthquake

magnitude of past earthquakes in the area

What is the difference of the P waves and S waves used to locate an earthquake's epicenter

P waves, also called primary waves, are the first waves to be registered on a seismograph. The S waves, or secondary waves, are the second and slower wave to register on the seismograph. When locating an earthquakes epicenter seismologists take the first reading of the P wave, and then take the reading from the S wave. At the station of where the earthquake was recorded, seismologists draw a large circle from where the earthquakes epicenter could be. TO exactly located the earthquakes epicenter there needs to be at least 3 dfferent staions where the earthquake hit to determine its epicenter using the S and P time interval. 

Which area would likely suffer the most damage from magnitude 6.8 earthquake

area with older brick structures

Why was Alfred wegeners idea that tidal forces might cause continental drift refuted as impossible

It would stop earth's rotation.

Showed that the tidal forces needed to move continents would stop earths rotation.

What was the reason wegeners continental drift hypothesis was rejected

His evidence was incorrect.

The trace that records an earthquake from seismic instruments is called a

magnitude

How do ancient glacial deposits in Africa India Australia and South America support the idea of continental drift

G

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