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What The USGS Earthquake Map Tells Us. The color-coded map shows a range of earthquake probability across the U.S. Well known high-risk areas, such as California and Alaska, are coded in dark red ...
Most earthquakes in the state have been small or have produced minimal impacts. No earthquake-related fatalities have been reported in the state, though one earthquake in Texas caused a death in the neighboring Mexican state of Chihuahua in 1923. The earliest recorded earthquake in Texas occurred near Seguin and New Braunfels on February 13 ...
[14] [15] It appears that earthquake shaking from induced earthquakes may be similar to that observed in natural tectonic earthquakes, [16] [17] or may have higher shaking at shorter distances. [18] This means that ground-motion models derived from recordings of natural earthquakes, which are often more numerous in strong-motion databases [ 19 ...
A rare strong earthquake struck near Midland, Texas, on Monday evening, triggering more than 1,000 reports of shaking, the U.S. Geological Survey reported. Magnitude-5.1 earthquake strikes near ...
A report released Monday by the USGS found that man-made earthquakes have increased more than ten times over in parts of the central United States. 7 million Americans at risk from man-made ...
The seismographs revealed a spatial association between earthquakes and Class II injection wells, most of which were established to dispose of flowback and produced water from Barnett Shale wells, near Dallas-Fort Worth and Cleburne, Texas. Some of the earthquakes were greater than magnitude 3.0, and were felt by people at the surface, and ...
The Texas Railroad Commission (RRC) regulator has grappled with leaks and blowouts from orphan wells, as well as earthquakes, triggered by higher pressure underground from water injection.
The Oklahoma earthquake swarms are an ongoing series of human activity-induced earthquakes affecting central Oklahoma, southern Kansas, northern Texas since 2009. [6] [7] [8] Beginning in 2009, the frequency of earthquakes in the U.S. state of Oklahoma rapidly increased from an average of fewer than two 3.0+ magnitude earthquakes per year since 1978 [9] to hundreds each year in the 2014–17 ...