A preliminary 3.5 magnitude earthquake was followed by a pair of 2.6 magnitude quakes minutes later Tuesday morning in Pacifica, according to the United States Geological Survey.
The first quake hit at 6:01 a.m. and was centered in Pacifica. Minutes later, two more shakers, each measuring 2.6 magnitude, hit the same area at about 6:03 a.m. and 6:04 a.m., the USGS said.
No other information was immediately available.
This is a developing story. Details may change as more information becomes available. Stay tuned for updates.
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