Earthquake upbh: 02/16/2005 20:27:53 GMT, M=6.6, S35.67 W16.36, 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