Earthquake smah: 12/26/2004 02:22:01 GMT, M=6.0, N8.84 E92.53, 10.0km 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