This essay is about san Francisco and its earthquakes It includes: Introduction, how they happen and famous earthquakes

Essay by beckyormrodA+, February 2004

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This report in on San Francisco and its earthquakes. San Francisco has a history of famous earthquakes including 1906 and 1989. This report is about the way Earthquakes work, how Earthquakes have been handled in the past and how we can protect and prepare for the future.

How Earthquakes happen and where they occur

Earthquakes perform when to plates rub together. California lies on The San Andreas fault, which consists of two plates: The Pacific Plate and The North American Plate. It is these two plates rubbing together that bring Earthquakes to San Francisco. The entire San Andreas fault is more than 800 miles long and 10 miles deep into the Earth.

The world is made up of 15 plates all around the world. When to plates move there is a split in the crust. Stress builds up in the rock and then there was a sudden movement which is the Earthquake.

A severe Earthquake can destroy buildings and roads. This usually happens when the town/ city is very near the fault or plates. The picture below is of what a severe Earthquake would do:

Famous Earthquakes in San Francisco

There heave been two very Famous Earthquakes in San Francisco: The 1906 and 1989. This part looks at these Earthquakes, statistics and how much it cost to repair.

On Wednesday April 18th, just after 5:00AM, San Francisco shook for fifty seconds. Three hours later at 8:00 AM the city shook again, the whole city was nearly collapsed by then. People ran in the street to try and escape fires, people gathered together to try and find water food and shelter. Relief stations gave out free food and water. Even though the postal service was running five days later, it was months before the city went...