Likely no earthquake risk from storing CO2 under ocean off B.C. coast
Authors of a new study are readying to move ahead with a plan to pump planet-warming emissions below the ocean floor after finding there’s likely no risk of the process causing earthquakes.
Geophysicist Eneanwan Ekpo Johnson used advanced computer modelling to see if injecting 2.5 megatons of CO2 annually at the study site would induce fault slip, where slabs of earth slide past one another and cause earthquakes. While people may be nervous about pushing gasses into a tectonically active area that’s prone to earthquakes, the researchers say their study shows the risk is practically non-existent. The Cascadia Basin location was chosen because of its large capacity for sequestering CO2.
With the feasibility study successful, the next step will be to secure funding for field testing the process and then to hopefully take the negative emission technology to multiple injection sites.
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