Earthquake gsap_05: 12/16/2005 10:24:59 GMT, M=5.5, N12.30 W89.42, 34.5km 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