Enhanced geothermal plant could have triggered 5.4 magnitude earthquake in Pohang

March 27, 2019
Owning the Energy Transition More...
by Patricia Seoane da Silva
Average importance

The South Korean government confirmed a causal connection between the earthquake of 2017 and the presence of an enhanced geothermal system (EGS) in the area. Unlike conventional methods, enhanced systems involve the injection of high-pressure water into the ground to cause fractures in formations underneath and consequently release heat. Despite early evidence suggesting induced seismic activity, EGSs have received great attention due to their potential to unlock geothermal power for a wider set of locations. Clients should not regard this event as a determining factor for developments in the near future, but instead monitor for earthquakes and evaluate possible links to geothermal sites in the affected areas. 

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