Earthquake urbu: 02/18/2005 19:33:46 GMT, M=5.6, N5.45 E94.49, 47.8km depth, Bias: pga=0.00 pgv=0.00 Seismic Stations Explanation of Flags M - Manually flagged T - Outlier G - Amplitude off scale or below noise I - Incomplete data N - Not in list of known stations