Earthquake 31080: 10/29/2003 15:07:27 AKST, M=4.1, N61.99 W148.08, 25km 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