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2017-10-17. How to Trigger a Massive Earthquake.

posted Oct 22, 2017, 8:40 PM by Alan Gould
By Lucas Joel, Eos/AGU. For GSS Energy Flow chapter 2. Excerpt: Humans may be to blame for California’s second-largest 20th century earthquake, and a team of seismologists has now proposed how that could have happened. A Los Angeles Times article published on 11 June 1952 tells of a successful new oil well at Wheeler Ridge in Kern County in California. The well operated for 98 days, but then, on 21 July at 4:52 a.m. local time, a 7.5-magnitude earthquake let loose beneath the well along the White Wolf fault. It was the second-largest earthquake in California in the 20th century, and it killed 12 people. A team of seismologists, reporting new research, thinks the oil drilling triggered the event. The work is the first to give a detailed explanation for how industrial activity could cause such a big earthquake, the researchers said. Taking oil out of the ground likely destabilized the White Wolf fault, triggering the Kern County quake, explained Susan Hough, a seismologist at the U.S. Geological Survey in Pasadena, Calif., and lead author of a study published this month in the Journal of Seismology.... https://eos.org/articles/how-to-trigger-a-massive-earthquake
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