Earthquake gxce: 04/05/2004 21:24:05 GMT, M=6.6, N36.47 E71.04, 196.2km 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