Back-to-Back Aftershocks Shake Area Rattled by Magnitude-5.1 Quake

Two aftershocks in a row were reported late Tuesday morning in the Orange County community shaken by Friday's earthquake

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    NEWSLETTERS

    An earthquake reported Tuesday April 1, 2014 in the La Habra area.

    Back-to-back aftershocks, the largest measuring magnitude-3.0, were reported Tuesday in the same Southern California region rattled by last week's magnitude-5.1 earthquake.

    The mid-day quakes -- magnitudes 2.5 and 3.0 -- occurred within about one minute late Tuesday morning in the La Habra area. A magnitude-2.5 quake was reported earlier Tuesday morning in the same northwestern Orange County area, where aftershocks have occurred steadily since Friday evening's quake.

    "I live in La Habra and I'm sick of all these aftershocks," Brittney Paige Blanke wrote on NBCLA's Facebook page.

    NBCLA Facebook page visitors reported shaking in La Habra, Long Beach, La Mirada, Anaheim, Buena Park, Whittier and other locations.

    Friday's quake and the hundreds of aftershocks that followed have been along the Puente Hills thrust fault. The fault is directly beneath downtown Los Angeles and several other densely populated areas.

    In 1987, the fault was the cause of the magnitude-5.9 Whittier Narrows quake. Eight people died in that quake, which caused more than $350 million of damage.

    The Puente Hills thrust fault was discovered in 1999 and seemed to be in a lull state before Friday.

    Friday's La Habra quake caused thousands of power outages, displaced nearly 100 people, caused a rockslide in Carbon Canyon in Brea and several small water main breaks. An elementary school in  Brea remains closed as crews assess damage.

    Note: The USGS system initially reported a second magnitude-2.5 quake Tuesday but later revised the number.