The San Andreas fault line in California may be capable of producing much larger earthquakes than previously believed.
The findings were published in the journal Geology, and found that earlier assumptions about the scale of possible earthquakes produced by the fault line were underestimates.
According to the research, scientists previously believed that a central section of the fault produced less severe earthquakes than other sections of the fault. However, the study’s authors concluded that large magnitude earthquakes are possible in the area and have happened in the past.
The San Andreas Fault is an 800-mile stretch through California where the Pacific and North American tectonic plates meet. The fault runs from north of San Francisco to San Diego.
Researchers previously believed that the largest earthquakes were formed at the ends of the fault, where immense pressure can build over time, releasing in major quakes.
California regularly experiences earthquakes, with southern California logging 10,000 each year. Most of these are minor quakes that are imperceptible to residents of the state. Only about 15 to 20 in the area are greater than a 4.0 each year.
However, major earthquakes have happened, like, the 7.9 magnitude quake that hit San Francisco in 1906, which killed more than 3,000 people. Another 57 people died in 1994 after a 6.7 magnitude quake occurred near Los Angeles.
According to the researchers, the central section of the fault line, which runs through the central coastal region of California, has not had a major earthquake in 2,000 years. However, they found that larger earthquakes had happened in the distant past.
The scientists’ analysis determined that rocks in the central fault section had been moved more than five feet, largely due to earthquakes in that region. That equates to earthquakes of a 6.9 magnitude in the past.
“Ultimately, our work points to the potential for higher magnitude earthquakes in central California and highlights the importance of including the central [San Andreas Fault] and other creeping faults in seismic hazard analysis,” the study concluded.
Dr Genevieve Coffey, the lead author on the study and an earthquake geologist at Columbia University’s Lamont-Doherty Earth Observatory, told Columbia Climate School news that the findings should alert other researchers to the potential for large earthquaks originating in the region.
“We should be aware that there is this potential, that it is not always just continuous creep,” she said. [Geology, Independent]
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You should really subscribe to QFiles. You will get very interesting information about strange events around the world.
With the magnetic pole having gone over the top and heading for virgin territory, who knows how much change in shifting that will occur. That should put a new twist on all of the plate boundaries and the faults. It sure is upsetting the tummy of this world. We, in Northern California experienced our river flow golden yellow for a couple of days in Sept of 2019. We felt vibrations for over a year before and for about that after. Magma makes noise and vibrations when it comes up under people. Some of us believe it melted Limonite, Baurite, quartz, and maybe even gold. The Sierra’s are the Motherlode of gold. See youtube “South Fork Yuba River Plume”. Watch the video. Much unusual changes have been going on. The 2012 thing must have had some merit to it.
I believe it is the New Madrid fault. We had a little shaker back in the ’70’s or so. You will find that politics is a much larger threat than geology. Those political people are evil. The earth, not so much.
Psychopaths are evil. Every country is run by psychopaths and satanists. The goal is to enslave humanity into One-Worldism. You probably know that already.
That geology lesson fly over was pretty cool. You really see the plates, side by side. The 1906 quake in SF was really bad due to the fires it created from leaking gas lines. Many of the old building were made of brick and mortar. Not good. Once I saw a very old black and white film at our school about that quake in 1970.
The Madrid can and has shaken/destroyed 2/3 of America from the Rockies to Maine and from Hudson Bay to Cuba.
THAT is our worst problem not a local shaker.
Hey Mike, good to see you again.