Earthquake mbbc: 08/12/2004 15:59:41 GMT, M=5.8, S11.95 E166.72, 205.1km 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