By Chris Spears

DENVER (CBS4) – The USGS website is reporting an earthquake struck Colorado Thursday afternoon.

A 3.6 magnitude quake was measured 24 kilometers, or roughly 15 miles, east-southeast of Salida at 3:17 pm.

(credit: USGS)

At least one report has been made to the USGS website about the quake being felt in the town of Cotopaxi.

(credit: USGS)

Less than an hour prior there was a 4.1 earthquake reported near Dover, Delaware. Twitter reports indicate that it was felt in and around Philadelphia.

Meteorologist Chris Spears travels weekly in the CBS4 Mobile Weather Lab reporting about Colorado’s weather and climate. Check out his bio, connect with him on Facebook or follow him on Twitter @ChrisCBS4.