Earthquake mwav: 09/01/2004 13:18:50 GMT, M=5.3, N0.13 E123.62, 135.4km 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