Earthquake tmac: 01/20/2005 02:59:10 GMT, M=5.4, N49.77 E156.20, 41.9km 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