Earthquake twb1: 01/29/2005 21:01:08 GMT, M=5.5, S1.80 W15.47, 10.0km 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