Earthquake pyas: 10/23/2004 09:34:07 GMT, M=6.3, N37.28 E138.79, 22.2km 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