Earthquake naav: 09/05/2004 14:57:18 GMT, M=7.1, N33.15 E137.04, 10km 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