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3 August 2011
GSA Release No. 11-46
Contact:
Christa Stratton
Director - GSA Communications & Marketing
+1-303-357-1093

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New GSA Special Paper Defines the Nature and Aim of Paleoseismology

Boulder, CO, USA - How is paleoseismology defined and what is its main aim? Is it concerned only with prehistoric earthquakes identified and characterized from the “geo-archives” of a particular location or fault, or can it be applied to the study of recent events? This new Special Paper from The Geological Society of America answers these questions and covers a wide spectrum paleoseismic approaches.

According to volume editor Franck A. Audemard M. of the Venezuelan Foundation for Seismic Studies and colleagues, a common misconception about paleoseismology is that it applies to prehistoric earthquakes only. Says Audemard, “This surely used to be, and still is, its main focus, but it does not cover all current potential spectra and unnecessarily restrains paleoseismology to a strict time window.” In fact, according to the book’s introduction, “paleoseismology should be understood as the study of the ground effects from past earthquakes preserved in the geologic and geomorphic record, regardless of the time of occurrence.”

This volume contains 10 original papers linking together four different disciplines under the umbrella of “paleoseismic investigations”: instrumental seismology, historical seismology, archaeoseismology, and paleoseismology. The introductory paper explores and explains how the seismic history of a given active fault can be discovered by geologic means (using direct or indirect indicators) for a particular tectonic setting. A second overview paper describes and discusses how to approach lakes and their sedimentary record for paleoseismic purposes. Further contributions deal with conventional paleoseismology by trenching, covering the entire spectrum of tectonic environments (strike-slip, normal, and thrust faults), and there are two overview papers. Additionally, one chapter addresses paleoseismology of slide-dammed lakes. Last but not least, the final chapter analyzes paleoseismic data from the perspective of seismic hazard assessment.

Individual copies of the volume may be purchased through the Geological Society of America online store, http://rock.geosociety.org/Store/detail.aspx?id=SPE479, or by contacting GSA Sales and Service, .

Book editors of earth science journals/publications may request a review copy by contacting Jeanette Hammann, .

Geological Criteria for Evaluating Seismicity Revisited: Forty Years of Paleoseismic Investigations and the Natural Record of Past Earthquakes
Franck A. Audemard M., Alessandro Maria Michetti, and James P. McCalpin (editors)
Geological Society of America Special Paper 479
SPE479, 204 p., $80.00; Member price $56.00
ISBN 978-0-8137-2479-9

www.geosociety.org
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