Wednesday, October 17, 2012

Measuring earthquakes

Seismologists assign values for the amount of energy and the damage caused during an earthquake. We use the term magnitude to describe the energy and intensity to describe the observations that are seen or felt. Magnitude is measured using the Richter scale and intensity is measured using the Modified Mercalli scale. 

To practice using the Mercalli scale,  we started to assign a value based on observations from 28 cities. Complete all 28 observations for homework. Tomorrow we will use these values to determine which city was closest to the epicenter.

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