Earthquake tzax: 02/01/2005 17:40:48 GMT, M=5.1, S6.46 E154.52, 57.4km 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