San Andreas: considerable seismic strain building – all the energy could be released in a major earthquake

San And
June 2016CALIFORNIA For the first time, scientists have produced a computer image showing huge sections of California rising and sinking around the San Andreas Fault. The vertical movement is the result of seismic strain that will be ultimately released in a large earthquake. The San Andreas Fault is California’s longest earthquake fault, and one of the state’s most dangerous. Scientists have long expected that parts of California are rising — and other parts sinking — around the fault in a way that is ongoing, very subtle and extremely slow.
Such vertical movement makes a lot of sense. California sits on the border of two gigantic tectonic plates — the Pacific and North American — that are constantly grinding past each other. But actually observing how California’s landscape is rising and falling from seismic strain has been an elusive goal, until now. In a study published in the journal Nature Geoscience on Monday, scientists found that much of the Los Angeles Basin, Orange County, San Diego County and the Bakersfield area are sinking 2 to 3 millimeters a year — a couple of penny-widths annually. By contrast, Santa Barbara and San Luis Obispo counties, and a large portion of San Bernardino County, are rising at the same rate.
The areas closest to the San Andreas fault, however, remain locked in place. When the next big earthquake strikes, the different parts of Southern California will lurch back to the same level. “Once there is a major event, all of that energy gets released,” said Sam Howell, a doctoral candidate in geophysics at the University of Hawaii at Manoa and the lead author of the report. The region of the San Andreas fault between Monterey County and Imperial County hasn’t moved in a significant way in more than 150 years, and other parts of the fault have been accumulating stress for more than 300 years.
The last big earthquake on the southern San Andreas fault, a magnitude 7.9 temblor, ruptured from Monterey County through Los Angeles County in 1857. Further south, the section of the San Andreas between San Bernardino County and Imperial County hasn’t ruptured in a major way since about 1690. Howell said the time span for a large rupture on the southern San Andreas is, on average, once every 150 years or so. But the actual interval can vary over the centuries, and that’s why it’s hard to say exactly when the next big one will hit.
Howell said a better understanding of how California is being warped as a result of this accumulating seismic strain is helping scientists “understand more about how the fault is behaving and the effect it’s going to have in the surrounding region.” The study, however, isn’t expected to help scientists suddenly predict the precise time and location of the next devastating quake. “It’s pretty much impossible to say when the next one will happen,” Howell said.  –LA Times

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9 Responses to San Andreas: considerable seismic strain building – all the energy could be released in a major earthquake

  1. Dennis E. says:

    No one will be caught by surprise. All of my life, I had heard about the big one, about part of The State Of California falling/sinking into the ocean with a massive lost of life(bad).

    Interesting observation: Henry Kissinger made the comment about this future event and included the landing of UFO’s on the white lawn and the acceptance of a New World Order.

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  2. Bill says:

    Look out Hawaii.

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  3. Karen says:

    As an Australian I haven’t followed concerns about the San Andreas fault but are the many earthquakes off the coast of Oregan over the years in any way connected to that fault?

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  4. Dennis E. says:

    By the way Alvin:
    Rivers and lakes mysteriously disappearing increase around the world–http://strangesounds.org/

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  5. Luke says:

    Related to the subject of earthquakes and the timing if a big one. Sign of the woman is to appear in the sky Sept. 23, 2017.
    Revelation 12:1 KJVS
    [1] And there appeared a great wonder in heaven; a woman clothed with the sun, and the moon under her feet, and upon her head a crown of twelve stars:
    A short video that covers the high points of the sign.

    A longer video that covers the subject in detail.

    A link to a open source astronomy software program that can be used to verify what is shown on the video, can be downloaded here.
    http://stellarium.org/
    A review and description of the databases used in the software confirms the reliability and accuracy of the software.
    http://www2.saplinglearning.com/blog/astronomy-resource-review-stellarium#.V2NvJoCDmrW

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  6. Kajajuk says:

    That GOD is Gold, Oil and Drugs…

    Like

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