Measuring+earthquakes

__Wiki Project__ Role #2-Graphic Organizer Content Question: How do we monitor and measure the intensities of earthquakes?

--The farther the shaking is from the epicenter, the lower the number on the Mercalli scale.
 * Guiding Questions || Information/Questions/Answers ||
 * What type of monitoring device(s) is used for my particular fault? || tilt meter is used to measure a normal fault. ||
 * How does the device work? || it measures tilting or raising of the ground. ||
 * Choose two methods of measurement to describe (Richter, Mercalli, or Moment Magnitude ) and include diagrams
 * Are numbers or Roman numerals used?
 * How is damage described? || -- Roman numerals are being used for the Mercalli scale.

I-III Feels like a passing truck and unstable items fall.

IV-VI Slight damage; people run outside.

VII-IX Moderate to heavy damage buildings fall from their foundations.

X-XII Great destruction, ground cracks and buildings are falling, waves are seen on the surface. -- Numbers are used to find how big the earthquake was. -- Moment Magnitude measures earthquakes all sizes, near or far and the strength of the rocks when the fault slipped. || Content Question: How do we monitor and measure the intensities of earthquakes? Mercalli: the mercalli scale rates earthquakes according to their intensity. The mercalli scale uses roman numerals, and the richter scale uses regular numbers. ||
 * Which is the method most used by seismologists today? Why? || seismometers, because it helps measure underground movements and show where it took place. ||
 * Guiding Questions || Information/Questions/Answers ||
 * What type of monitoring device(s) is used for my particular fault? || laser-ranging device ||
 * How does the device work? || a laser-ranging device uses a laser beam to detect horizontal fault movement. ||
 * Choose two methods of measurement to describe (Richter, Mercalli, or Moment Magnitude ) and include diagrams
 * Are numbers or Roman numerals used?
 * How is damage described? || Richter scale: it assigns the earthquake a number that determines the magnitude.
 * Which is the method most used by seismologists today? Why? || moment magnitude scale ||