Earthquake gxah_05: 12/21/2005 07:09:11 GMT, M=6.3, S0.17 E124.65, 70.3km 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