Earthquake msat: 08/28/2004 13:41:29 GMT, M=6.5, S34.84 W70.24, 10km 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