Earthquake 33678: 2/7/2004 06:16:15 AKST, M=2.5, N61.65 W149.79, 45km 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