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CalTech: Natural Fluid Injections Triggered Cahuilla Earthquake Swarm
June 19, 2020
PASADENA, California, June 19 -- The California Institute of Technology issued the following news:

A naturally occurring injection of underground fluids drove a four-year-long earthquake swarm near Cahuilla, California, according to a new seismological study that utilizes advances in earthquake monitoring with a machine-learning algorithm. In contrast to mainshock/aftershock sequences, where a large earthquake is followed by many smaller aftershocks, swarms typically do not have a s . . .

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