Earthquake 34056: 2/20/2004 14:07:45 AKST, M=3.5, N63.49 W148.21, 1km 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