20231002
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<div>EARTHQUAKE_EPICENTERS_IN.SHP shows the locations of all known historical earthquakes in Indiana with a moment magnitude (Mw) greater than or equal to 3.0. It includes earthquake locations derived from both instrumented recordings and estimations from historical accounts. The shapefile is an amalgam of points created from the CEUS SSC catalog maintained by the U.S. Nuclear Regulatory Commission (up to December 31, 2008) and the U.S. Geological Survey, National Earthquake Information Center (three events on December 30, 2010, January 26, 2012, and May 10, 2012). Values of Moment Magnitude (Mw) are used in this data. Mw refers to the energy released by the event, which is proportional to the slip on a fault multiplied by the area of the fault surface that slips. Events below Mw 3.0 have been omitted, as those events are below the energies felt by humans. Also, all pre-shock and aftershock, non-tectonic (e.g., mine blast), and duplicate event entries have been omitted. Data attributes include event date and time, x-y coordinate locations, and Moment Magnitude (Mw) values.</div>
Seismic
Earthquake
Epicenter
Indiana Geological Survey (IGS)
US Nuclear Regulatory Commission (USNRC)
US Geological Survey (USGS)
seismology
geologic hazard
hazard tectonic
Moment Magnitude (Mw)
EARTHQUAKE_EPICENTERS_IN.SHP was created to show the distribution of earthquakes (with Mw greater than or equal to 3.0) that have occurred in Indiana, in the form of a GIS data layer. It was subsequently updated by personnel of the IGS when the more authoritative and standardized source of event records became available from the CEUS SSC catalog (as of December 31, 2008) and the U.S. Geological Survey, National Earthquake Information Center (for three recent earthquake events that occurred on December 30, 2010, January 26, 2012, and May 10, 2012).
Indiana Geological Survey (IGS)
<div>DATA DISCLAIMER</div><div>This data set was compiled by Indiana University, Indiana Geological Survey, using data believed to be accurate; however, a degree of error is inherent in all data. This product is distributed "AS-IS" without warranties of any kind, either expressed or implied, including but not limited to warranties of suitability of a particular purpose or use. No attempt has been made in either the designed format or production of these data to define the limits or jurisdiction of any federal, state, or local government.</div><div><br /></div><div>These data are intended for use only at the published scale or smaller and are for reference purposes only. They are not to be construed as a legal document or survey instrument. A detailed on-the-ground survey and historical analysis of a single site may differ from this data.</div><div><br /></div><div>It is requested that the Indiana Geological Survey be cited in any products generated from this data. The following source citation should be included:</div><div>[EARTHQUAKE_EPICENTERS_IN: Epicenters of Earthquakes in Indiana with a Moment Magnitude Equal to or Greater Than 3.0 (Indiana Geological Survey, 1:500,000, Point Shapefile), 20140630].</div><div><br /></div><div>WARRANTY</div><div>Indiana University, Indiana Geological Survey warrants that the media on which this product is stored will be free from defect in materials and workmanship for ninety (90) days from the date of acquisition. If such a defect is found, return the media to Publication Sales, Indiana Geological Survey, 611 North Walnut Grove, Bloomington, Indiana 47405-2208, and it will be replaced free of charge.</div><div><br /></div><div>LIMITATION OF WARRANTIES AND LIABILITY</div><div>Except for the expressed warranty above, the product is provided "AS IS", without any other warranties or conditions, expressed or implied, including, but not limited to, warranties for product quality, or suitability to a particular purpose or use. The risk or liability resulting from the use of this product is assumed by the user. Indiana University, Indiana Geological Survey shares no liability with product users indirect, incidental, special, or consequential damages whatsoever, including, but not limited to, loss of revenue or profit, lost or damaged data or other commercial or economic loss. Indiana University, Indiana Geological Survey is not responsible for claims by a third party. The maximum aggregate liability to the original purchaser shall not exceed the amount paid by you for the product.</div>
Earthquake Epicenters
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