Readers ponder geothermal power and more

What lies beneath

Liquid pumped into the ground to generate geothermal power may have triggered a large earthquake that shook part of South Korea last November, Carolyn Gramling reported in “Pumping water underground for power may have triggered South Korean quake” (SN: 5/26/18, p. 8).

Reader Elizabeth McDowell asked if there may be a link between geothermal power generation at a plant in Hawaii and the ongoing Kilauea eruption.