Earthquake spay: 12/28/2004 17:11:15 GMT, M=5.7, N9.38 E94.16, 35.0km 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