Earthquake near Trinidad is 20th so far this year in southern Colorado

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TRINIDAD, Colo. — For about 90 seconds a magnitude 3.9 earthquake rattled a tiny town just west of Trinidad, Colorado.

The earthquake happened around 11:14 p.m. on Wednesday, according to the U.S. Geological Survey. The quake almost shattered the 4.0 mark, which would have made it the first quake above 4.0 in Colorado this year.

So far in 2015, the U.S. Geological Survey recorded 20 earthquakes in the Trinidad area. None of them were big.

The largest in that area happened in 2011. A magnitude 5.3 quake shook the town of Segunda.

“It was an above normal-sized event. It was about 125x stronger than the 3.9 we had yesterday,” said Jana Pursley a Geophysicist with the USGS.

While the 2011 quake was big, the largest earthquake on record in our state was a mid-range 6 magnitude quake in 1882. That quake caused damage in Longmont and Boulder. ​

The USGS shake map showed Wednesday's quake was mostly felt in southern Colorado and northern New Mexico.

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