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The Eastern Tennessee seismic zone (ETSZ), also known as the East Tennessee seismic zone and the Southern Appalachian seismic zone, is a geographic band stretching from northeastern Alabama to southwestern Virginia that is subject to frequent small earthquakes. The ETSZ is one of the most active earthquake zones in the eastern United States. [1 ...
The 2008 Chino Hills earthquake occurred at 11:42:15 am PDT (18:42:15 UTC) on July 29 in Southern California. The epicenter of the magnitude 5.4 earthquake was in Chino Hills, c. 28 miles (45 km) east-southeast of downtown Los Angeles. Movement on an oblique-slip fault resulted in a maximum Mercalli intensity of VI (Strong).
An average of 25 earthquakes with magnitudes between 4.0 and 5.0 occur each year in California and Nevada, according to a recent three-year data sample. The earthquake occurred at a depth of 0.9 ...
1986 North Palm Springs earthquake: July 21, 1986: California 6.4 M L 0 1986 Chalfant Valley earthquake [16] October 1, 1987: California: 5.9 M w 8: 1987 Whittier Narrows earthquake: November 23, 1987: California 6.2 M s 0 1987 Superstition Hills earthquakes [1] November 24, 1987: California 6.6 M w 2 1987 Superstition Hills earthquakes ...
Tennessee’s middle region has only experienced a handful of 2.5 magnitude or higher earthquakes between 1924 and 2024, including Murfreesboro in 1997 and Franklin in 2001, according to the USGS ...
The National Weather Service said that the tsunami warning that extended along 500 miles (800 km) of the California and Oregon coasts was called off about 90 minutes after the earthquake struck at ...
The Chino Fault and Whittier Fault are the two upper branches of the Elsinore Fault Zone, [2] which is part of the trilateral split of the San Andreas Fault system. The right-lateral strike-slip fault has a slip rate of 1.0 millimeter/year and is capable of producing anywhere from a M w 6.0 to a M w 7.0 earthquake.
Saturday's earthquake was the seventh of magnitude 3 or greater since Sept. 12, when a magnitude 4.7 earthquake just north of Malibu was widely felt across Southern California.