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Map of seismic hazard in Texas as of 2014, as determined using the peak ground acceleration with 2% probability of exceedance in 50 years. Earthquakes intense enough to be perceptible occur annually in the U.S. state of Texas. Most earthquakes in the state have been small or have produced minimal impacts.
The earthquake may have been caused by movement along oblique-slip faulting in West Texas, the most seismically active region in the state. Shaking from the earthquake was perceptible within a 400 mi (640 km) radius of the epicenter, affecting four U.S. states and northern Mexico.
1979 Imperial Valley earthquake – magnitude 6.4 earthquake with an epicenter less than 1 km inside Mexico – significant damage and injuries on both sides of the border (60 in the US) 2010 Baja California earthquake (Mexico near S California) – magnitude 7.2 earthquake, 4 fatalities and 100 injuries, none in the United States
A pie chart comparing the seismic moment release of the three largest earthquakes for the hundred-year period from 1906 to 2005 with that for all earthquakes of magnitudes <6, 6 to 7, 7 to 8, and >8 for the same period. The 2011 Japan quake would be roughly similar to Sumatra. Earthquakes of magnitude 8.0 and greater from 1900 to 2018.
The Texas State Police was formed during the administration of Governor Davis on July 22, 1870, to combat crime during the Reconstruction Era of the United States. Davis also created the Texas Special Police, State Guard of Texas, and the Texas Reserve Militia, which was the forerunner of the Texas National Guard. [citation needed]
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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.
The earthquake struck western Texas with magnitude 5.7 force. It was the 3rd largest earthquake in the United States in 1995. [1] The epicenter was probably in Alpine ...