June 10, 2016 – LOS ANGELES — An moderate earthquake with a preliminary magnitude of 5.2 rocked Southern California, rousing residents out of bed at about 1:05 a.m. PT.
The quake was centered about 13 miles north-northwest near Borrego Springs in the desert east of Los Angeles, the U.S. Geological Service reported. It was initially rated at 5.1, but was upgraded to 5.2 within an hour afterward.
On the west side of Los Angeles, about 100 miles from the epicenter, the quake produced a long shaking motion lasting about 30 seconds. There was no hard jolt. In USA TODAY’s news bureau on the ninth floor of an office tower near Los Angeles International Airport, window blinds shook and the building structure rolled in steady waves.
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The quake was also felt in San Diego.
The quake, which struck at a depth of less than 1 mile, was followed by three nearby aftershocks over the next three minutes measuring between magnitude 2.8 and 3.5, according to the USGS. Another two aftershocks of similar magnitudes were recorded over the next 40 minutes.
The Washington Army National Guard practiced air drops and logistics Thursday to help people who may be affected in the case of a magnitude 9 earthquake.
It’s happening under a gigantic exercise called Cascadia Rising, involving 24 counties in Washington along with states across the Northwest.
Active duty units from the U.S. Marines, Army, Navy, and Coast Guard are also involved.
Credit marygreeley news