Earthquake srae: 12/30/2004 04:27:40 GMT, M=5.5, N5.55 E94.34, 58.0km 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