The Quaternary Fault and Fold Database of the United States database contains information on faults and associated folds in the United States that demonstrate geological evidence of coseismic surface deformation in large earthquakes during the past 1.6 million years (Myr). Interactive Quaternary faults map. (Public domain.) Interactive fault map Database Search Contributors Download Data: KML (Google Earth) Files (13 MB KMZ) - includes 5 fault layers: Historic, Holocene to Latest Pleistocene, Late Quaternary, Mid-Late Quaternary, Quaternary GIS files (16 MB ZIP file)
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Interactive fault map and comprehensive geologically based information on known or suspected active faults and folds in the United States. Also, generalized fault data used in the hazard maps. View Fault Map Earthquake Scenarios Earthquake scenarios describe the expected ground motions and effects of specific hypothetical large earthquakes. Explore the interactive fault map of the United States, created by the US Geological Survey (USGS). This web app allows you to view and search for active faults and fault zones, as well as historical earthquake data and seismic hazard zones. You can also access other USGS mapping resources and tools, such as planetary geology, topography, hydrography, and more. Data. Documents. Apps & Maps. Recent Downloads. Sign In. This feature layer, utilizing data from the U.S. Geological Survey's Earthquake Hazards Program, displays known faults and folds in the U.S. Quaternary Fault and Fold Database of the United States Search Class A and B faults below or Class C and D Fault Database Quick Advanced Fill in one or more fields and start search Questions or comments? USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards
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USGS Interactive Fault Maps. Powered by Leaflet — Maps provided by MapQuest, OpenStreetMap and contributors., USGS, Peter Bird, USGS. To access this application, as well as the seismic design maps on which it is based, go to U.S. Seismic Design Maps. The maps displayed below show how earthquake hazards vary across the United States. Hazards are measured as the likelihood of experiencing earthquake shaking of various intensities. The USGS has a faults website that includes an interactive fault map that allows users to views a map of the U.S. layered with the different faults all across the country. It includes. Figure 1. A general overview of the 2014 USGS National Seismic Hazard Map, indicating the probability of earthquakes throughout the United States. (Source: USGS) Earthquake Risk in California During the past century, seismicity in California has remained relatively low.
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The U.S. Geological Survey (USGS) National Seismic Hazard Map shows the strength of ground shaking that has a 1 in 50 chance of being exceeded in a particular place in the lower 48 states over a period of 50 years. These maps are used in determining building seismic codes, insurance rates, and other public decisions. An online map of United States Quaternary faults (faults active in the last 1.6 million years which places them within the Quaternary Period) is available via the Quaternary Fault and Fold Database . There is an interactive map application to view the faults online and a separate database search function.
Earthquake Maps Reveal Higher Risks for Much of U.S. The 5.8 magnitude earthquake that struck Virginia on August 24, 2011, damaged monuments like Washington, D.C.'s National Cathedral. The temblor. The USGS has many maps of live earthquake data. This section lets visitors see quakes that have occurred anywhere in the world in the last week. You can also focus on geographic regions. Zooming in to a specific quake, you reach a page with specific data and links to the area's seimic and quake damage history. IRIS (Incorporated Research.
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This new-generation stress map of North America includes the first view of the style of faulting across the continent as well as more than 300 new measurements of the direction from which the greatest pressure occurs in the Earth's crust. The background color indicates relative stress magnitudes, or style of faulting. click an item in the map to visualize the corresponding data. use the button in the top-right corner of the map to visualize the map description. drag the horizontal rule above to resize the information panes. click on the title of an information section to hide/show its content: Information section. Click on the following widget controls to.
