Earthquake snap: 12/27/2004 08:37:38 GMT, M=5.7, N6.49 E93.26, 30.0km 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