Earthquake vxam: 03/21/2005 12:23:52 GMT, M=6.9, S24.93 W63.36, 557.8km 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