San Bernardino County experienced two earthquakes overnight, according to the U.S. Geological Survey (USGS). The first quake, with a magnitude of 3.5, struck the Ontario area just after 1 a.m. on Wednesday. Approximately an hour later, a 3.7-magnitude earthquake hit near Lytle Creek.
The USGS reported that the Lytle Creek quake occurred at a depth of 10.6 kilometers, about eight miles from Oak Hills and nine miles from Phrelan. Residents in the High Desert and Inland Empire reported hearing a rumbling sound before feeling the jolt.
There were also unconfirmed reports of a small earthquake in the Redlands area. Fortunately, there have been no immediate reports of significant damage or injuries from these seismic events.
ABC7 noted that the overnight activity follows a 3.5-magnitude earthquake near Fontana on Tuesday (August 5), which also affected parts of the Inland Empire.
The USGS’s “Did you feel it?” map indicated that the Lytle Creek quake was felt across the Inland Empire, as well as parts of Los Angeles and San Diego counties. Geologists suggest that damage typically occurs with earthquakes of magnitude 4 or higher.
For more information on earthquake preparedness, visit the USGS website.
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