A magnitude 6.1 earthquake struck off the coast of Cuba in the Gulf of Mexico on Monday, with "reports of shaking across Southwestern Florida," according to a social media post from the National Weather Service’s (NWS’s) Miami office. The quake occurred 104 kilometers (about 65 miles) northwest of Mantua, Cuba, says Robert Garcia, a warning coordination meteorologist at the NWS Miami office. It occurred at about 2 P.M. EDT and at a depth of 26 kilometers (around 16 miles) below the surface. “We.