Assessing whether the 2017 Mw 5.4 Pohang earthquake in South Korea was an induced event

Kwang Hee Kim, Jin-Han Lee, Young Hee Kim, Sungshil Kim, Su Young Kang, Wooseok Seo

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61 Citations (Scopus)

Abstract

The Mw 5.4 Pohang earthquake, the most damaging event in South Korea since instrumental seismic observation began in 1905, occurred beneath the Pohang geothermal power plant in 2017. Geological and geophysical data suggest that the Pohang earthquake was induced by fluid from an enhanced geothermal system (EGS) site, which was injected directly into a near-critically-stressed subsurface fault zone. The magnitude of the mainshock makes it the largest known induced earthquake at an EGS site.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalScience
DOIs
Publication statusAccepted/In press - 2018 Apr 26

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