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<div style="margin: 0px;"><span style="margin: 0px;"><span style="margin: 0px;"><span style="margin: 0px; box-sizing: border-box;"><span style="margin: 0px;"><b style="color: black !important; font-family: "Calibri Light", "Helvetica Light", sans-serif; font-size: 16pt; background-color: rgb(255, 255, 255);">Ground
Motion Intensity and its Characterization for Engineers and Humans</b>
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<div style=""><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Speaker: Steve Kramer</span></div>
<div style=""><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Professor Emeritus</span></div>
<div style=""><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> University of Washington</span></div>
<div style=""><span style="margin: 0px;"><span style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Location: online/virtual</span></span><br>
<span style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Date/Time: Tuesday</span><span style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">,
February 22nd, 2022, 10–11am MST</span><br>
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<div style=""><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Abstract: The term “intensity” has been used to describe earthquake ground motions in different ways in the earth science and engineering communities.
It has classically been used as a qualitative description of the effects of earthquake ground motion using quantities such as the Rossi-Forel, Modified Mercalli, and MSK scales. These scales are very useful for identifying patterns of ground motion, particularly
in historical (pre-instrumental) earthquakes since they use people, instead of transducers, to record ground motions. In the development of a common performance-based earthquake engineering framework, it has become common to refer to quantitative measures
of ground motion using “intensity measures,” or IMs, which are measured by strong motion instruments. In this context, desirable IMs reflect characteristics of ground motions that correlate well to damage and loss. An intermediate form of intensity, “instrumental
intensity,” attempts to use common IMs to bridge the gap between qualitative and quantitative scales. This presentation will discuss the various forms of intensities and suggest an alternative approach to describing intensity that may have some advantages
in communicating ground shaking levels to the public.</span></div>
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<div style=""><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Bio: </span><span style="color: rgb(0, 0, 0); font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;">Steve Kramer is Professor
Emeritus of Civil and Environmental Engineering at the University of Washington in Seattl</span><span style="font-family: "Calibri Light", "Helvetica Light", sans-serif; font-size: 12pt; color: black !important;">e. His primary research interests include soil
liquefaction, site response analysis, seismic slope stability, and hazard analysis. He has worked on the coupling of probabilistic seismic hazard and response analyses within performance-based earthquake engineering frameworks, particularly with respect to
soil liquefaction. Kramer is author of the textbook, Geotechnical Earthquake Engineering (Prentice-Hall). Kramer has been the recipient of the Presidential Young Investigator Award from the NSF, the Arthur Casagrande Professional Development Award from ASCE,
a Walter Huber Research Prize from ASCE, and the ASCE Norman Medal (in 2009 and 2017). He received the 2016 M.J. Nigel Priestley Prize from the European Centre for Training and Research in Earthquake Engineering, the 2018 H. Bolton Seed Medal from ASCE, and
the 2018 Nabor Carrillo Lecturer Award from the Mexican Society of Geotechnical Engineering. In 2020, he was named as a Distinguished Member of ASCE, a member of the U.C. Berkeley Academy of Distinguished Alumni, and was elected to the National Academy of
Engineering. Most recently, he was named an Honorary Member of the International Association of Earthquake Engineering. Kramer was a Senior Research Scientist in the International Centre for Geohazards at the Norwegian Geotechnical Institute (NGI) in 2003
and is also a member of the faculty of the European School for Advanced Studies in the Reduction of Seismic Risk (the ROSE School) at the University of Pavia in Italy. Although recently retired from the University of Washington, he remains active in research
and consulting and is nearing completion of the second edition of his textbook.</span></div>
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<span style="margin:0px"><span style="margin:0px;font-size:12pt;font-family:"Calibri Light", "Helvetica Light", sans-serif;color:rgb(50, 49, 48)">GHSC Seminar Committee:</span><span style="margin:0px;font-size:12pt;color:rgb(50, 49, 48)"><span style="margin:0px;font-family:"Calibri Light", "Helvetica Light", sans-serif"> </span></span><span style="margin:0px;font-size:12pt;font-family:"Calibri Light", "Helvetica Light", sans-serif;color:rgb(50, 49, 48)">Oliver
Boyd <olboyd@usgs.gov>, Josh Rigler <erigler@usgs.gov>, Francis Rengers <frengers@usgs.gov></span></span></p>
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