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Old 10-13-2010, 02:42 PM
 
Location: Declezville, CA
16,806 posts, read 39,928,986 times
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Quote:
Originally Posted by UB50 View Post
I understand the SA fault runs through the Cajon Pass. That's pretty far from LA.
Look at the map. It runs through L.A. County as well.
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Old 10-13-2010, 06:30 PM
 
Location: Pasadena
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Distance from the San Andreas fault has to be considerable [well over 100 miles] in order to avoid damage during a major [8+ magnitude] earthquake. If for example the epicenter is San Bernardino than all of the Inland Empire, Orange county, Los Angeles county and most of Riverside, Ventura, San Diego and Santa Barbara counties will receive strong shaking\ damage. Probably even Kern and parts of San Luis Obispo. Kings, Fresno and Monterey counties will experience strong damage. That is what the seismologists are saying; the entire southern San Andreas fault line will be effected.
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Old 10-13-2010, 07:54 PM
 
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Quote:
Originally Posted by californio sur View Post
Distance from the San Andreas fault has to be considerable [well over 100 miles] in order to avoid damage during a major [8+ magnitude] earthquake. If for example the epicenter is San Bernardino than all of the Inland Empire, Orange county, Los Angeles county and most of Riverside, Ventura, San Diego and Santa Barbara counties will receive strong shaking\ damage. Probably even Kern and parts of San Luis Obispo. Kings, Fresno and Monterey counties will experience strong damage. That is what the seismologists are saying; the entire southern San Andreas fault line will be effected.
I completely agree with this 100%.


I was informed today that my college is taking part in the statewide "Shakeout" drill on the 21st at 10:30am


I love this video because it's really intense! The music gives it that extra "bang"

Though it's outdated by a few years. The new info is not in this video.

http://www.youtube.com/watch?v=opXZY1zZ8xk
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Old 10-13-2010, 08:02 PM
 
Location: Declezville, CA
16,806 posts, read 39,928,986 times
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Anyone notice that the Fault crosses I-5 three times?
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Old 10-13-2010, 10:15 PM
 
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This map shows the expected relative intesity of shaking and damage thruout the state. No place is really 100% free of potential damage but the Central Valley east of 99 and the west side of the Sierras and foothills are basically the areas with the lowest expectations of damage.
http://www.conservation.ca.gov/cgs/i...48_revised.pdf
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Old 10-13-2010, 10:21 PM
 
Location: Declezville, CA
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I'm in a reddish-lavenderish area. No surprise there.
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Old 10-13-2010, 10:25 PM
 
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Those aren't always true though. You never know until a quake actually happens. Plus that is from 2008, there has been a lot of recent developments in the power and strength of the San Andreas in the news lately.
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Old 10-14-2010, 01:09 PM
 
Location: Northridge/Porter Ranch, Calif.
24,508 posts, read 33,295,278 times
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Quote:
Originally Posted by SandyCo View Post
My brother lives almost right on top of the San Andreas Fault, out in Leona Valley. The fault zone ends just north of his house. When I asked him if he ever thinks about it, he pointed out that the San Fernando Valley, where I live, features thrust faults that can do a lot more damage. At least the San Andreas is a strike slip fault, and it moves horizontally more than vertically.
I'm not sure about that.
The 1906 San Francisco and 1989 Loma Prieta earthquakes were on a horizontal strike-slip fault and those caused a lot of damage.

Also, the San Andreas fault is capable of much larger quakes than the faults in the San Fernando valley.
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Old 10-14-2010, 02:45 PM
 
2,031 posts, read 2,986,327 times
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Quote:
Originally Posted by Fleet View Post
I'm not sure about that.
The 1906 San Francisco and 1989 Loma Prieta earthquakes were on a horizontal strike-slip fault and those caused a lot of damage.

Also, the San Andreas fault is capable of much larger quakes than the faults in the San Fernando valley.
This is correct.

While thrust faults do generate the largest earthquakes, those earthquakes are megathrust earthquakes that occur at convergent plate boundaries. These earthquakes are the sort that occurred in Chile earlier this year, that generated the devastating tsunami in 2004, the Good Friday earthquake in Alaska in 1964, and the roughly 9.0-magnitude quakes that hammer the Pacific Northwest every 300-600 years. Happily, the San Andreas, which is the boundary between the Pacific and North American tectonic plates, is a transform fault, not a thrust fault.
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Old 10-14-2010, 10:46 PM
 
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It should be interesting to see how Hollywood reacts to this and all the celebs when it finally hits! Look on the bright side there will be thousands of Youtube videos from all over Southern California of the earthquake! Haha!
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