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Energy

In: Science

Submitted By Shiloh
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Natural Energy
Earthquakes in the World Today
Kaplan University

SSD300-03

Professor Derby

July 4, 2010

Natural Energy 1

Where do earthquakes come from? Below the earth’s surface in a region called hypocenter, this is where the initial activity begins. Moreover, triggers the fault plane to slip where two pieces of earth past one another forming an earthquake generally, certain geographical areas of the country are more prone to this type of activity. History has revealed to us that the San Fernando region in California has been greatly affected by seismic activity over the years. We can view the danger levels from the National Seismic Hazard maps that give us a good depiction of the activity there.

The San Fernando fault which it’s commonly known to be in the red zone (very high risk). Unlike, this high level risk region other states bordering California such as Oregon, Nevada and Arizona fall on the scale of yellow, green and tan. Signifying that there is less seismic activity in these states these are a few of the patterns on the west coast. However, moving more to the central region of the country we see some similarities from the west coast. In states such as Tennessee, Arkansas and Missouri where their color scale ranges from green, yellow, tan to red (very high risk).

As we can see not only is California prone to being high risk for seismic activity, but other states as well. Growing up in Long Beach, California for a period of time I remembered experiencing foreshocks and earthquakes though they are smaller in magnitude they were still felt. This region is very close to the San Fernando fault so foreshocks were felt daily the area itself falls within tan to red (very high risk).

Natural Energy 2

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