Earthquake gdaj: 3/17/2004 05:21:00 GMT, M=6.1, N34.58 E23.47, 24.5km 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