Earthquake mhae: 08/18/2004 09:03:10 GMT, M=5.9, N16.49 W94.68, 64.4km 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