Earthquake nmam: 09/17/2004 14:08:09 GMT, M=5.4, N58.73 W31.08, 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