NAPA (CBS SF) — An aftershock of the Napa earthquake, one of dozens of that have hit after Sunday’s 6.0 shaker, was felt Monday afternoon and registered a magnitude of 2.9.
The U.S. Geological Survey said that aftershock struck just after 5 p.m. Monday, minutes after another, smaller aftershock hit which measured a 1.8 magnitude.
Of the more than five dozen aftershock of the Napa earthquake, two of them have been of a magnitude 3.0 or higher – the largest being a 3.6-magnitude aftershock at 5:47 a.m. Sunday, according to the USGS.
Earlier Monday, the USGS reported there is a 25 percent chance of a strong and potentially damaging aftershock in the next seven days following Sunday’s 6.0-magnitude earthquake near American Canyon.
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