Earthquake nwbu: 09/26/2004 15:24:06 GMT, M=5.2, N1.06 E120.29, 27.5km 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