eprintid: 1362 rev_number: 39 eprint_status: archive userid: 2 dir: disk0/00/00/13/62 datestamp: 2015-02-10 10:29:07 lastmod: 2017-02-08 12:21:38 status_changed: 2015-04-27 12:10:46 type: article metadata_visibility: show creators_name: Majer, Ernest L. creators_name: Baria, Roy creators_name: Stark, Mitch creators_name: Oates, Stephen creators_name: Bommer, Julian J. creators_name: Smith, Bill creators_name: Asanuma, Hiroshi corp_creators: Lawrence Berkeley National Laboratory, USA corp_creators: MIL-TECH UK Ltd., UK corp_creators: Calpine Corp., USA corp_creators: Shell International Exploration and Production, The Nederlands corp_creators: Civil and Environmental Engineering, Imperial College London, UK corp_creators: Northern California Power Agency, USA corp_creators: Graduate School of Environmental Studies, Japan title: Induced seismicity associated with Enhanced Geothermal Systems ispublished: pub subjects: MP2 subjects: RA1 subjects: RF1 subjects: RS1 subjects: RSS1 subjects: RU1_1 subjects: SG divisions: IP4 divisions: SHEER-5 divisions: SHEER-6 full_text_status: none keywords: Induced seismicity; Enhanced Geothermal Systems (EGS); The Geysers; Cooper Basin; Berlín; Soultz-sous-Forets abstract: Enhanced Geothermal Systems (EGS) have the potential to make a significant contribution to the world energy inventory. One controversial issue associated with EGS, however, is the impact of induced seismicity or microseismicity, which has been the cause of delays and threatened cancellation of at least twoEGSprojects worldwide. Although microseismicity has in fact had few (or no) adverse physical effects on operations or on surrounding communities, there remains public concern over the amount and magnitude of the seismicity associated with current and future EGS operations. The primary objectives of this paper are to present an up-to-date review of what is already known about the seismicity induced during the creation and operation of EGS, and of the gaps in our knowledge that, once addressed, should lead to an improved understanding of the mechanisms generating the events. Several case histories also illustrate a number of technical and public acceptance issues. We conclude that EGS-induced seismicity need not pose a threat to the development of geothermal energy resources if site selection is carried out properly, community issues are handled adequately and operators understand the underlying mechanisms causing the events. Induced seismicity could indeed prove beneficial, in that it can be used to monitor the effectiveness of EGS operations and shed light on geothermal reservoir processes. date: 2007-06 date_type: published publication: Geothermics volume: 36 number: 3 publisher: Elsevier Science pagerange: 185-222 id_number: doi:10.1016/j.geothermics.2007.03.003 refereed: TRUE issn: 0375-6505 official_url: http://dx.doi.org/10.1016/j.geothermics.2007.03.003 access_IS-EPOS: limited owner: Publisher citation: Majer, Ernest L. and Baria, Roy and Stark, Mitch and Oates, Stephen and Bommer, Julian J. and Smith, Bill and Asanuma, Hiroshi (2007) Induced seismicity associated with Enhanced Geothermal Systems. Geothermics, 36 (3). pp. 185-222. DOI: https://doi.org/10.1016/j.geothermics.2007.03.003