Seismic Activity in the United States Since April 1, 2007 Seismic Activity Index ALASKA PLAINS STATES CO, KS, MT[e], NE, ND, NM, OK, SD, TX, WY MISSISSIPPI BASIN STATES AR, IA, IL, KY[w], LA, MN, MO, MS, TN[w], WI NORTH EAST STATES DE, IN, MD, MI, NJ, NY, OH, PA SOUTH EAST STATES AL, FL, GA, KY[e], NC, SC, TN[e], VA, WV HAWAII NEW ENGLAND STATES CT, MA, ME, NH, RI, VT NORTH WEST STATES CA[n], ID, OR, MT[w], WA SOUTH WEST STATES AZ, CA[s], NV, UT MISC quake, earthquake, tremors, America, United States, tremor, New Madrid, endtimes, end-times, last days, disasters