Earthquakes

Earthquake San Francisco- 1906 On the morning 12 past 5:00 San Francisco suffered a

major earthquake that killed 3000 people, the earthquake lasted for about 40 seconds and was

recorded at 8.3 on the Richter Scale. People ran from there houses and some stayed inside the

buildings and were crushed. The people who ran in the streets were killed by toppled buildings falling from above. There fire

department was efficient but the water pipes that go down the San Andreas Fault were severed. The fire could not be stopped

because there were now water until the next couple of days. Gas mains blew and caused massive fires all around the city. The

city was in the middle of a great econo

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The old buildings were never made to

withstand earthquakes and easily crumbled and fell crushed people. The two slide together caused the earthquake. The buildings were made out of unreined forced brick or wood which couldn't withstand a

earthquake of that magnitude. And the capital of California Sacramento that was 120km east of the rupture

showed no damage. mic boom and almost all was lost on that day. The San Andreas fault is formed by the Pacific plate sliding

north and the North American plate running South. A road

across the fault ended up 21 feet north of the road to the east same with the rivers and creeks. Scientists found out that the earthquake originated north of Oregon and south to Los Angeles a total

of 1170 Km. Rivers, roads and power lines were severed and not aligned with its surroundings. The earthquake's most

damage were in Los Bonas 30km east of the fault yet there was little damage along towns to the east side of San Francisco

Bay such as Berkely, 25km east of the fault. The most recent

earthquake in that area today, was in 1990 in San Francisco which measured around 8. Some sailers on the coast tried to leave but the waves flew

the boats around like toys. 3 on the richter scale but it wasn't a bad

as the one in 1906. Knowing now that buildings could not withstand a earthquake with unreiforced brick, the new San

Francisco would have buildings that can handle major earthquakes by constructing them so that they sway back and fourth

rather than just simply crumbling to the ground killing people.

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