Earthquake tsa4: 01/25/2005 16:44:10 GMT, M=5.9, N37.64 E43.70, 2.5km 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