MIFFLINTOWN, Pa. (AP) — A small earthquake has rumbled parts of central Pennsylvania. The United States Geological Survey says the epicenter of Wednesday night’s magnitude 3.4 quake was about 11 miles (18 kilometers) southwest of Mifflintown at a depth of nearly 17 miles (27 kilometers). No damage has been reported. Some people reported hearing a rumble like thunder while others compared the quake to a big truck going by.