Earthquake tyap: 01/31/2005 20:29:08 GMT, M=5.2, N65.87 W9.84, 19.4km 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