Application of an artificial neural network in predicting the effectiveness of trapping mechanisms on CO2 sequestration in saline aquifers

Y Song, W Sung, Y Jang, W Jung - International Journal of Greenhouse …, 2020 - Elsevier
Predicting the effectiveness of geological CO 2 storage and evaluating the field application
of successful CO 2 sequestration require a large number of case studies. These case …

Tectonically controlled multiple stages of deformation along the Yangsan Fault Zone, SE Korea, since Late Cretaceous

Y Cheon, H Cho, S Ha, HC Kang, JS Kim… - Journal of Asian Earth …, 2019 - Elsevier
We describe the structural characteristics and tectonic evolution of the NNE–SSW-striking
Yangsan Fault, Korea. The surface trace of the fault extends for over 170 km on land …

The 2017 ML 5.4 Pohang earthquake sequence, Korea, recorded by a dense seismic network

KH Kim, W Seo, J Han, J Kwon, SY Kang, JH Ree… - Tectonophysics, 2020 - Elsevier
Abstract The 2017 ML 5.4 Pohang Earthquake in southeastern Korea, which was induced by
fluid injection from an enhanced geothermal system, and its foreshock–aftershock sequence …

Surface deformations and rupture processes associated with the 2017 Mw 5.4 Pohang, Korea, earthquake

JH Choi, K Ko, YS Gihm, CS Cho… - Bulletin of the …, 2019 - pubs.geoscienceworld.org
In November 2017, an M w 5.4 earthquake with a shallow (⁠∼ 4 km⁠) hypocenter occurred
in the Pohang area, one of the most developing industrial cities in South Korea. This shock …

Microtremor HVSR analysis of heterogeneous shallow sedimentary structures at Pohang, South Korea

SY Kang, KH Kim, JM Chiu, L Liu - Journal of Geophysics and …, 2020 - academic.oup.com
We apply the single-station microtremor horizontal-to-vertical spectral ratio (HVSR) method
to image the geometry of Pohang Basin, South Korea, which experienced the greatest …

[HTML][HTML] Fault reactivation and propagation during the 2017 Pohang earthquake sequence

JH Ree, KH Kim, H Lim, W Seo, S Kim, X An, YH Kim - Geothermics, 2021 - Elsevier
A commission of the Korean government on the 2017 Mw 5.5 Pohang earthquake
concluded that seismic activity was triggered by fluid injection from the nearby Pohang …

Deformation features and history of the Yangsan Fault Zone in the Eonyang-Gyeongju area, SE Korea

천영범, 하상민, 이성준, 조형성, 손문 - 지질학회지, 2017 - dbpia.co.kr
최근 경부고속도로 경주-언양 구간의 도로확장공사로 인해 새롭게 노출된 양산단층대의 주요
노두들을 바탕으로 단층대의 내부 구조와 다중변형사를 해석하였다. 노출된 양산단층대는 수십 …

Estimation of in situ stresses with hydro-fracturing tests and a statistical method

H Lee, SH Ong - Rock Mechanics and Rock Engineering, 2018 - Springer
At great depths, where borehole-based field stress measurements such as hydraulic
fracturing are challenging due to difficult downhole conditions or prohibitive costs, in situ …

Multi-archive record of late Quaternary paleoseismicity along the surface projection of the 2017 Pohang earthquake seismogenic fault, SE Korea

S Lee, JW Han, S Ha, JH Choi, YB Seong, TH Lee… - Geosciences …, 2024 - Springer
Abstract The 2017 Pohang earthquake (ML 5.4) ranks as the second-largest instrumental
earthquake in the Korean Peninsula and the country's most destructive seismic event. The …

Aftershock Sequence and Statistics of the 2017  5.5 Pohang, South Korea, Earthquake: Implications of Fault Heterogeneity and Postseismic Relaxation

JU Woo, M Kim, J Rhie… - Bulletin of the …, 2020 - pubs.geoscienceworld.org
The sequence of foreshocks, mainshock, and aftershocks associated with a fault rupture is
the result of interactions of complex fault systems, the tectonic stress field, and fluid …