Earthquake ltbt: 08/04/2004 20:05:20 GMT, M=4.8, N52.30 E159.54, 50.2km 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