Earthquake wnat: 04/06/2005 09:53:46 GMT, M=5.7, S10.21 W44.33, 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