Earthquake piav: 10/08/2004 08:27:54 GMT, M=6.9, S10.84 E162.18, 37.4km 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