Amidst the slushy storms that blanketed eastern Nebraska on Sunday, some communities felt a rare occurrence in Nebraskaan earthquake.The first quake hit at 12:59 p.m. on Sunday near Cowles, Nebraska. It measured at 4.1 on the Richter Scale.Then two aftershocks measuring a magnitude of 2.6 rolled through at 2:26 p.m. and 8:45 p.m. respectively.There were no injuries or major...