JpGU-AGU Joint Meeting 2020

セッション情報

印刷

[E] ポスター発表

セッション記号 S (固体地球科学) » S-SS 地震学

[S-SS09] INDUCED AND TRIGGERED SEISMICITY: CASE STUDIES, MONITORING AND MODELING TECHNIQUES

コンビーナ:Luca Urpi、椋平 祐輔(東北大学　流体科学研究所)、Bogdan Enescu(京都大学 大学院 理学研究科 地球惑星科学専攻 地球物理学教室)、Francesco Grigoli(ETH Zurich Swiss Federal Institute of Technology Zurich)

Induced and triggered seismicity occurs in conjunction with human activities such as reservoir impoundments, mining operations, conventional and non-conventional hydrocarbon production, geothermal energy exploitation, wastewater disposal, CO2 sequestration and gas storage operations as well as volcanic and hydrogeological processes. The stability of faults is affected by external solicitations such as pore-pressure diffusion, relaxation effects as well as perturbations related to mass, pressure, temperature and/or volume changes, dike intrusions and earthquake-earthquake interactions. A better understanding of the physical processes governing induced and triggered seismicity is important for the assess the risk of current and future industrial activities.

The study of induced and triggered seismicity is inherently an interdisciplinary problem, which requires the combination of seismological, hydrogeological, geodetic data and a wide range of modeling approaches. This session welcome contributions covering the analysis and modeling of induced and triggered seismicity at different spatial scales and environments.

Relevant topics to be presented include but are not limited to induced seismicity characterization, spatio-temporal variations of physical parameters (including stress, pressure and temperature changes), spatio-temporal patterns of seismicity, modeling strategies and case-studies.

The goal of the session is to cover both theoretical, numerical and experimental aspects of these topics.

[SSS09-P03] Estimation of focal mechanisms of large number of induced seismicity to understand fracture system in the geothermal reservoir

*Kangnan Yan1,2、Yusuke Mukuhira1、Takatoshi Ito1、Yinhui Zuo2、Hiroshi Asanuma3、Markus O Häring4 (1.Institute of Fluid Science, Tohoku University、2.State Key Laboratory of Oil and Gas Geology and Exploitation, Chengdu University of Technology、3.Fukushima Renewable Energy Institute (FREA), National Institute of Advanced Industrial Science and Technology (AIST)、4.Häring GeoProject)

[SSS09-P06] Seismoelectromagnetic conversions generated by a double-couple source in
partially saturated media.

*Sheldon Dwight Warden1、Pascal Sailhac2、Stéphane Garambois3 (1.Hyperion Geophysical Services, 7 rue de Châtenois, 67100, Strasbourg, France.、2.GEOPS (Geosciences Paris Sud), Université de Paris Saclay, 15 Rue Georges Clemenceau, 91400, Orsay, France.、3.ISTerre (Institut des Sciences de la Terre), Université de Grenoble Alpes, 1381 rue de la piscine, 38400, Saint Martin d'Heres, France.)