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Volume 32, Issue 1

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Monday, 15 April 2019 15:55

How Much Could an Earthquake Damage San Francisco?

(TNS) - A repeat of the most powerful earthquake in San Francisco’s history would knock out phone communications, leave swaths of the city in the dark, cut off water to neighborhoods and kill up to 7,800 people, according to state and federal projections.

If a quake like that were to strike along the San Andreas Fault today, building damage would eclipse $98 billion and tens of thousands of residents would become homeless.

Thursday marks the anniversary of the 1906 quake, a 7.9-magnitude event that turned San Francisco streets into waves, flattening much of the skyline and igniting fires that raged for almost four days. The quake ruptured 296 miles of fault line — from Cape Mendocino to San Juan Bautista.

Since 1906, the fault has remained locked from Point Arena through the Peninsula. The 1989 Loma Prieta earthquake hit 50 miles south of San Francisco, on a remote segment of the San Andreas Fault, and ruptured only 25 miles.

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https://www.govtech.com/em/preparedness/How-Much-Could-an-Earthquake-Damage-San-Francisco.html