Connecticut Power Plant Explosion

Feb. 7: Witnesses and emergency response authorities said as many as 100 people were injured and an undetermined number may have died when a massive explosion, which homeowners more than 10 miles away mistook for an earthquake, blew up a power plant being built on the Connecticut River in the southern section of Middletown, Conn. Source: John Charlton / FOX61

Feb. 7: The Kleen Energy power plant in Middletown, Conn., was reportedly undergoing construction at the time of the explosion. Source: Fox News Channel

Feb. 7: Dozens of ambulances and fire trucks were on the scene and witnesses said black smoke could be seen for miles after the explosion at the Kleen Energy plant in Middletown, Conn. Source: Richard Messina / Hartford Courant

A view of the Kleen Energy Power Plant, in Middletown, Conn., viewed by Google Maps. Source: Google

Feb. 7: About 100 people were working at the Kleen Energy Systems plant in Middletown, Conn., during the time of the explosion. Source: Ryan Bernat / Fox61