Plate Tectonics

1906 San Francisco Earthquake

In 1906, the great San Francisco earth caused much damage to the city. The National Board of Fire Underwriters called San Francisco "a catastrophe waiting to happen" in their report issued in 1906. Below are information all about the 1906 San Francisco earthquake.

What are the causes of the great San Francisco earthquake?

San Francisco was built above the San Andreas fault making San Francisco an easy target for earthquakes.

On what time did the great San Francisco earthquake occur?

The Great San Francisco occurred on April 18, 1906. At 5:12am, the street began to ripple. The first earthquake shock wave lasted for about 40 seconds.

How much were the damages of 1906 San Francisco earthquake?

San Francisco suffered much damages during the 1906 San Francisco earthquake. Hotels collapsed, people were crushed, gas and water pipes broke. However, the worst San Francisco earthquake damages weren't caused by the earthquake waves but by all the disasters that followed.

The earthquake left behind leaked fuel gas lines, broken power lines, lots of splintered wood from collapsed buildings, and ruptured water mains. Moments after the earthquake, 50 fires started and there was not enough water to put them out. The earthquake left San Francisco without a water supply so the fire was left to burn anything down.

508 city blocks were on fire with more than 28,000 buildings destroyed. Over 200,000 people became homeless.

How violent was the 1906 San Francisco Earthquake?

The 1906 San Francisco Earthquake was estimated at 8.3 on the Richter Scale. The earthquake fractured 300 miles of San Andreas Fault, splitting streets and collapsing buildings.

What was the 1906 San Francisco earthquake number of deaths?

The exact number of deaths from the 1906 San Francisco earthquake is not known but it was estimated that as many as 3,000 people died.

What happened after the 1906 San Francisco earthquake?

Soon after the disaster caused by the 1906 San Francisco earthquake, residents of San Francisco began to rebuild the city. By 1909, most of the buildings that were destroyed had been rebuilt. New structures were much stronger than the old ones. However, the same factors that caused the 1906 Great San Francisco earthquake are still posing problems.