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Short title: FINALWIKI1; Software used: Adobe Illustrator CS5: Date and time of digitizing: 06:53, 3 April 2012: File change date and time: 06:53, 3 April 2012
The U.S. Geological Survey (USGS) reported that a magnitude 5.8 M w earthquake hit Virginia on Tuesday, August 23, 2011, at 17:51:04 UTC (1:51 pm Eastern Daylight Time). The quake occurred at an approximate depth of 3.7 miles and was centered in Louisa County (location at 37.936°N, 77.933°W), 5 miles SSW of Mineral, Virginia and 37 miles NW of Richmond, Virginia's capital. [3]
The peak horizontal acceleration (PHA) is the most commonly used type of ground acceleration in engineering applications. It is often used within earthquake engineering (including seismic building codes) and it is commonly plotted on seismic hazard maps. [6]
Short title: FINALWIKI1; Software used: Adobe Illustrator CS5: Date and time of digitizing: 06:50, 3 April 2012: File change date and time: 06:50, 3 April 2012
Second, the NEIC collects and provides to scientists and to the public an extensive seismic database that serves as a solid foundation for scientific research, principally through the operation of modern digital national and global seismograph networks and through cooperative international agreements. The NEIC is the U.S. national data center ...
A seismic hazard is the probability that an earthquake will occur in a given geographic area, within a given window of time, and with ground motion intensity exceeding a given threshold. [ 1 ] [ 2 ] With a hazard thus estimated, risk can be assessed and included in such areas as building codes for standard buildings, designing larger buildings ...
Seismic faults of the United States (6 C, 20 P) Pages in category "Seismic zones of the United States" The following 7 pages are in this category, out of 7 total.
List of international earthquake acceleration coefficients.A list of earthquake coefficients used in structural design for earthquake engineering [1] around the world. For example, a coefficient of 0.09 indicates that a building is designed that 0.09457 of its weight can be applied horizontally during an earthquake.
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