Earthquake rpag: 12/03/2004 03:46:47 GMT, M=5.2, N10.57 W61.43, 50.9km 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