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USGS_Earthquake_Faults (MapServer)

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Service Description: This map layer contains locations and information on faults and associated folds, in the United States, that are believed to be sources of significant earthquakes (those of magnitude 6 or greater) during the past 1,600,000 years. A fault is a fracture or zone of fractures in the Earth's crust, along which the blocks of crust have moved relative to one another; an earthquake is the result of such a movement. Folds are curves or bends in rock layers. The Quaternary Faults and Fold database contains information compiled by the Earthquake Hazards Program of the U.S. Geological Survey (USGS). The database describes faults and associated folds in the United States that are believed to be sources of earthquakes, greater than magnitude 6, in the past 1,600,000 years, and is intended to be an archive of historical (less than 150 years) and ancient earthquake sources. These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:250,000-scale data.

Map Name: Earthquake Faults

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Layers: Description: This map layer contains locations and information on faults and associated folds, in the United States, that are believed to be sources of significant earthquakes (those of magnitude 6 or greater) during the past 1,600,000 years. A fault is a fracture or zone of fractures in the Earth's crust, along which the blocks of crust have moved relative to one another; an earthquake is the result of such a movement. Folds are curves or bends in rock layers. The Quaternary Faults and Fold database contains information compiled by the Earthquake Hazards Program of the U.S. Geological Survey (USGS). The database describes faults and associated folds in the United States that are believed to be sources of earthquakes, greater than magnitude 6, in the past 1,600,000 years, and is intended to be an archive of historical (less than 150 years) and ancient earthquake sources. These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:250,000-scale data.

Copyright Text: Acknowledgment of the Quaternary Faults and Fold Database, the U.S. Geological Survey, and (or) the National Atlas of the United States of America would be appreciated in products derived from these data.

Spatial Reference: 4326  (4326)


Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriDecimalDegrees

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

Document Info: Supports Dynamic Layers: true

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true



Child Resources:   Info   Dynamic Layer

Supported Operations:   Export Map   Identify   Find   Return Updates   Generate KML