I woke up around 4 a.m. this morning to hear the windows rattling. It took me a few moments to register, “ohmygod an earthquake“. I grabbed Mr F’s hand as I waited for the rest of the quake, but that was all. A few moments later everything was quiet once more. I was too rattled to go back to sleep and tossed and turned the rest of the night.
“I’m exhausted. I didn’t get back to sleep after the quake,” I told Mr F at breakfast this morning.
and he said, “What earthquake?”
(Pico Rivera, CA) – A 4.4 magnitude temblor rocked the Los Angeles area this morning at 4:04 a.m. The earthquake was centered near Pico Rivera, a city of about 63,000. It’s estimated that millions of people were shaken awake in the area, about ten miles east of downtown L.A.
While the earthquake is considered light by the U.S. Geological Survey, it was centered in the highly-populated Los Angeles basin, and felt throughout a wide region. The USGS Shakemap shows the strongest movement was felt in the area between downtown L.A. and Disneyland.
The earthquake buckled the heavily traveled Interstate-5, which created major morning rush-hour traffic jams as crews worked to fix problems in the Southbound lanes.
People as far north as Ventura and as far south as the San Diego area reported feeling the temblor. This Cal Tech ShakeMovie
visually shows you how the earthquake waves moved across the Southern California region.
and this from LA Times:
Earthquakes with a magnitude of 4 are actually quite common in Southern California, occurring somewhere in the region every month or two. The last magnitude 4 earthquake in the region occurred Saturday in a remote area of northern San Diego County near Anza Borrego.
“It’s all location, location, location,” said Kate Hutton, a seismologist at Caltech. “The only thing that distinguishes this [morning’s earthquake] is that it happened in a populated area.”
The quake appeared to be triggered by a thrust fault, in which one side of a fault slides over another, Hutton said. It was still unclear which fault caused the quake.
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