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<span style="font-family:Calibri,Helvetica,sans-serif; font-size:14pt"><b>Geotechnical observations from the 18 September 2022 M6.9 Chihshang, Taiwan earthquake</b></span>
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<div style=""><span style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt"><b>Speaker:
</b>Ben Mason</span></div>
<div style=""><span style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt"> Geologic Hazards Science Center</span></div>
<div style=""><span style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt"> USGS</span></div>
<div style=""><span style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt"><b>Location:
</b>Hybrid (online and in-person at 1711 Illinois St, Golden, CO, Rm 204)</span></div>
<div style=""><span style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt"> *Non-USGS visitors welcome! Please bring a photo ID and arrive early to allow time to go through security*</span></div>
<div style=""><span style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt"><b>Date/Time:
</b>Tuesday, April 11, 2023 10-11AM MDT</span></div>
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<div style=""><span style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt"><span class="x_ContentPasted0"><b>Abstract: </b>The Geotechnical Extreme Events Reconnaissance (GEER) team performed post-earthquake reconnaissance in Taiwan following the
18 September 2022 M6.9 Chihshang, Taiwan earthquake. Our team investigated earthquake-induced landslides, surface fault rupture, and bridge damage using traditional reconnaissance techniques as well as unmanned aerial vehicles (UAVs) equipped with cameras
and lidar. In this talk, I discuss the foregoing field observations, provide information about recorded ground motions, and then provide some preliminary physical interpretations. Finally, I discuss implications for the future of post-earthquake reconnaissance
research.</span></span></div>
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<div style=""><span style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt"><span class="x_ContentPasted0"><img data-imagetype="AttachmentByCid" explicitlogon="gs-ghsc-seminars@doimspp.onmicrosoft.com" data-custom="AAMkADUyYjhhNDdjLTM2ZjItNDU1YS04MzJiLTZiMzk5YzA1ZWQ3ZAFRAAgI2zofsYkAAEYAAAAA%2BtEuMRRToUiWJiHM%2BXZQbAcA%2BNwATNGyGUiyQJkf%2FkWmOgAAAAABDQAA%2BNwATNGyGUiyQJkf%2FkWmOgADC2%2FOZAAAEAESABAAgDEYuux3v0e8iUhvhrzjhA%3D%3D" naturalheight="0" naturalwidth="0" src="cid:6b01e896-4343-4c66-8673-9f481456155f"><br>
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<div style=""><font face="Calibri, Helvetica, sans-serif"><span style="font-size:16px"><span class="x_ContentPasted2"><b>Bio: </b>Ben Mason is a research civil engineer at the U.S. Geological Survey's Geologic Hazards Science Center in Golden, Colorado, an
associate professor at Oregon State University's College of Engineering, and a licensed professional engineer in the State of Colorado. Ben's research interests focus on soil-fluid-structure interaction, or relevant sub-interactions, during earthquakes, tsunamis,
and multi-hazards.<br class="x_ContentPasted2">
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<div style=""><font face="Calibri, sans-serif" style="color: rgb(32, 31, 30);"><span style="font-size: 12pt; color: rgb(102, 102, 102);">For questions, comments, or speaker suggestions, please contact the </span></font><b style="font-family:inherit; font-size:12pt; font-style:inherit; font-variant-ligatures:inherit; font-variant-caps:inherit"><span style="font-weight:400"><span style="font-size: 12pt; font-family: Calibri, sans-serif; color: rgb(102, 102, 102);">GHSC
Seminar Committee: Andrea Llenos <allenos@usgs.gov>, Benjamin Murphy <bmurphy@usgs.gov>, Lauren Schaefer <lschaefer@usgs.gov></span></span></b></div>
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