Earthquake lrbq: 08/02/2004 21:31:20 GMT, M=4.6, N52.26 E174.11, 44.3km 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