Earthquake wyb4: 04/16/2005 22:41:58 GMT, M=5.7, S16.51 W70.86, 135.0km 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