Earthquake pkab: 10/10/2004 00:13:34 GMT, M=5, S60.63 W50.98, 10km 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