Earthquake twa9: 01/29/2005 01:13:44 GMT, M=5.1, N7.31 E92.54, 34.1km 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