Earthquake ngax: 09/11/2004 21:52:37 GMT, M=6.1, S57.93 W25.33, 55.9km 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