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This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.
USGS researchers publish the results of their science in a variety of ways, including peer-reviewed scientific journals as well as in one of a variety of USGS Report Series [36] that include preliminary results, maps, data, and final results. A complete catalog of all USGS publications is available from the USGS Publications Warehouse. [37]
The United States Geological Survey Library (USGS Library) is a program within the United States Geological Survey (USGS), a scientific bureau within the Department of Interior of the United States government. The USGS operates as a fact-finding research organization with limited regulatory responsibility.
Jones, E.S. et al. 2014, Seismicity of the Earth 1900–2012 Java and vicinity: USGS Open-File Report 2010–1083-N, 1 sheet, scale 1:5,000,000, Seismicity of the Earth 1900–2012 Java and vicinity; Benz, H.M. et al. 2011, Seismicity of the Earth 1900–2010 New Guinea and vicinity: USGS Open-File Report 2010–1083-H, scale 1:8,000,000.
The Libre Map Project was started by Jared Benedict and around 100 additional individuals contributing money to purchase (or "liberate") a full set of 1:24K scale USGS topographic maps in Digital raster graphic form. [1] The map files were then hosted by archive.org to ensure the map data will continue to be freely available to everyone ...
Logo of the ANSS. The Advanced National Seismic System (ANSS) is a collaboration of the United States Geological Survey (USGS) and regional, state, and academic partners that collects and analyzes data on significant earthquakes to provide near real-time (generally within 10 to 30 minutes [1]) information to emergency responders and officials, the news media, and the public. [2]
Peak ground acceleration (PGA) is equal to the maximum ground acceleration that occurred during earthquake shaking at a location. PGA is equal to the amplitude of the largest absolute acceleration recorded on an accelerogram at a site during a particular earthquake. [1]
The mainshock magnitude was initially reported as M7.7 by both the USGS and BMKG. The USGS later revised their estimate to M7.5. The USGS later revised their estimate to M7.5. The focal mechanism of the earthquake showed that it was caused by strike-slip faulting on faults trending either roughly north–south or west–east.