Source: Dan Hawkes
ESD’s Frédéric Cappa and Jonny Rutqvist studied the likelihood of ground motions induced by a CO2
injection, using hydromechanical modeling with multiphase fluid flow
and dynamic rupture, including fault-frictional weakening. Because of
the critically stressed nature of the upper crust, the injection of
large volumes of carbon dioxide (CO2) into shallow geological
reservoirs can trigger seismicity and induce ground deformations when
the injection increases the fluid pressure in the vicinity of
potentially seismic faults.
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Citation: Cappa, F., and J. Rutqvist (2012), Seismic rupture and ground accelerations induced by CO2 injection in the shallow crust. Geophysical Journal International, 190, 1784–1789.
Funding Source: DOE Assistant Secretary for Fossil Energy, Office of Natural Gas and
Petroleum Technology, National Energy Technology Laboratory