‘Moderate’ Earthquake Rocks Southern California

A magnitude-5.4 earthquake hit the Los Angeles metropolitan area midday
yesterday, the strongest to strike the region in an urban area since the 1994 Northridge
quake
. The epicenter was southeast
of LA, two miles from the city of Chino Hills in San Bernardino County. Chino Hills lies near the San Andreas Fault, which runs from the San
Francisco bay area to south of Temecula, CA. Earthquakes strike often along the system of faults that lies under the
state, due to the movement of tectonic plates. Yesterday’s quake was caused by pressure at the intersection of the Chino and Whittier fault lines. Luckily, Chino Hill’s
infrastructure was constructed with earthquake-resistant technology,
so no serious damage or injury was reported in the area, but skyscrapers swayed
in downtown Los Angeles for several seconds and many buildings were evacuated. Other minor inconveniences occurred as
objects were knocked from shelves, as depicted in this scene at a Chino Hills
grocery store (below).

Earthquake_supermarket

 

 

Image courtesy Washington Post

More than 30 aftershocks followed throughout the afternoon,
leaving residents rattled and wary that a “Big One” could be coming. Seismologists said yesterday that there’s a five
percent chance this quake could be a precursor to a much larger earthquake. There’s a 99 percent chance that California will
experience a quake of magnitude 6.7 or larger in the next 30 years, according
to the Uniform California Earthquake Rupture Forecast, sponsored by the U.S.
Geological Survey, the California Geological Survey and the Southern California
Earthquake Center.

Did any of you feel the earthquake or its aftershocks
yesterday? (The Washington Post reported that some felt it as far away as Las Vegas and San Diego). How do
you think the risk of earthquakes affects life in California?

2 thoughts on “‘Moderate’ Earthquake Rocks Southern California

  1. LOS ANGELES – A strong earthquake shook Southern California on Tuesday, causing buildings to sway and triggering some precautionary evacuations. There were no immediate reports of damage or injuries.
    The jolt was felt from Los Angeles to San Diego, and slightly in Las Vegas.
    The 11:42 a.m. quake was initially estimated at 5.8 by the U.S. Geological Survey but was revised downward to 5.4. More than a dozen aftershocks quickly followed, the largest estimated at magnitude-3.8.
    —————-
    albertjames
    California Alcohol Addiction Treatment

    Like

  2. When this story first broke, I immediately looked to see where the epicenter was, because I have family in southern California. They were out of the danger zone, so I didn’t really think too much more about it.
    THEN… last night I talked to my Dad on the phone, and found out that he was on the 15th floor of a building in downtown LA on business (my parents like in AZ) when the earthquake occurred! I had no idea he was even in California. I guess I would have paid closer attention to what was happening if I knew he was right in the middle of the action!

    Like

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