Earthquake pyai: 10/23/2004 07:02:03 GMT, M=5.1, S5.17 E145.39, 65.5km 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