Earthquake qgag: 10/31/2004 19:35:48 GMT, M=5.1, N37.16 E138.74, 10km 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