Mass and Measurement

For those people who live in one of the most populated area in the United States they

live in a constant fear of one great thing. Earthquakes often strike southern California,

unexpected and with great force. These earthquakes often cause great damage and often even

take human lives. Earthquakes happen all the time in the California and Nevada areas.

In this area there were 230 earthquakes since August 30, 2003. With 26 of these in the Los

Angeles area, also with 45 in the San Francisco area. Scientists are constantly working to

predict these earthquakes and now they have a wonderfully simple tool to help them the Global

Positional System (GPS).

GPS receivers are small hand held devices that are able to tell you were exa...