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Seismic microzonation is defined as the process of subdividing a potential seismic or earthquake prone area into zones with respect to some geological and geophysical characteristics of the sites such as ground shaking, liquefaction susceptibility, landslide and rock fall hazard, earthquake-related flooding, so that seismic hazards at different locations within the area can correctly be ...
According to the USGS, "ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes. These maps are used by federal, state, and local organizations, both public and private, for post-earthquake response and recovery, public and scientific information, as well as for preparedness exercises and ...
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]
Example of a hazard map. A hazard map is a map that highlights areas that are affected by or are vulnerable to a particular hazard. They are typically created for natural hazards, such as earthquakes, volcanoes, landslides, flooding and tsunamis. Hazard maps help prevent serious damage and deaths. [1]
Blurred intentionally on Bing Maps. [15] Rendered in lower resolution on Google Maps and Mapquest. Heliport [16] in El Ejido: Spain: Square blurred on Google and Bing. Visible e.g. in HERE WeGo and Yandex.
Surface motion map for a hypothetical earthquake on the northern portion of the Hayward Fault Zone and its presumed northern extension, the Rodgers Creek Fault Zone. 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.
At lower latitudes, near 30° north, a 7.5-minute quadrangle contains an area of about 64 square miles (166 km 2). At 49° north latitude, 49 square miles (127 km 2) are contained within a quadrangle of that size. As a unique non-metric map scale, the 1:24,000 scale naturally requires a separate and specialized romer scale for plotting map ...
The United States Geological Survey estimates that earthquakes as large as magnitude 7.5 are possible in the ETSZ. Even though Oak Ridge, Tennessee experiences these earthquakes, the nuclear reactors in the city are rated to handle 8.0 magnitude earthquakes. So, if a 7.5 magnitude earthquake were to occur, a meltdown would be highly unlikely.