A pair of small earthquakes bracketed Los Angeles County on Saturday.
First, a 2.8 magnitude earthquake rocked Zuma Beach and western Malibu at 7:15 a.m., automated earthquake sensors reported.
In an apparently-unrelated tremor, at least one quake with a 2.0 magnitude hit La Habra Heights, about 45 miles east of the first one, at 10:45 a.m.
The Malibu quake's epicenter was just offshore, at Leo Carrillo State Beach, at the western city limits of Malibu. The quake was just offshore, about 8.2 miles deep in an area traversed by the east-west Malibu Coastal Fault.
The USGS has in the past stated there is a 35 percent chance of a magnitude 6.5 or greater earthquake within the next 30 years from the network of east-west faults off Malibu.
Saturday's first quake was reported as mild shaking by a handful of people in Malibu, Westlake Village and Agoura Hills.
At 10:45 a.m., automated seismographs reported either one or two 2.0 quakes near La Habra. That report may have been an echoing reading, and seismologists were to review the data.
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