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Geology/Seismic_Earthquake_Epicenters (MapServer)

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Service Description: Epicenters of Historical Earthquakes, 2014 - 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.

Map Name: Layers

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All Layers and Tables

Layers: Description:

Copyright Text: U.S. Nuclear Regulatory Commission, The Central and Eastern United States Seismic Source Characterization for Nuclear Facilities, U.S. Geological Survey, National Earthquake Information Center

Spatial Reference: 26916  (26916)


Single Fused Map Cache: true

Tile Info: Initial Extent: Full Extent: Units: esriMeters

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info: Supports Dynamic Layers: false

MaxRecordCount: 20

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 2500000

Max Scale: 1000



Child Resources:   Info

Supported Operations:   Export Map   Identify   Find   Return Updates   Generate KML