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Earthquakes Induced by Fluid Injection FAQs - 9 Found

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How large are the earthquakes induced by fluid injection?

Of the case histories for which there is a scientific consensus that an injection operation induced earthquakes, the largest are magnitude*5. At the Rocky Mountain Arsenal well, near Denver, Colorado, a large volume of wastewater was injected between 1962 and 1966. A substantial earthquake sequence was induced by these injection activities. Injection was terminated in 1966 due to the induced earthquakes. More than a year after injection ceased, three earthquakes with magnitudes near 5 occurred, after which the earthquake sequence finally decayed. Over the years, even larger magnitude earthquakes have been tentatively associated with fluid injection activities, but more research is needed to establish if there is a connection for any of these recent cases.


*definition of earthquake magnitude

Tags: Seismology, Liquefaction, Tsunamis, Earthquakes, Faults, Tectonics, Magnitude, Prediction