Earthquake 2009004_270790: 01/04/2009 15:29:20 GMT, M=4.29, 41.6930 -114.4054, 0.0000km depth, Bias: pga=0.00 pgv=0.00 

Seismic Stations
M15A: Larsen Ranch, Promontory, UT, USA (TA)
     Coordinates: 41.4632 -112.4477 Dist: 165.2 km 
     BHE -0.0000 cm/s (T)  -0.0000 %g (T)
     BHZ -0.0000 cm/s (T)  -0.0001 %g (T)
     BHN -0.0000 cm/s (T)  0.0000 %g (T)
N15A: Stansbury Island BLM, Grantsville, UT, USA (TA)
     Coordinates: 40.8903 -112.5201 Dist: 181.3 km 
     BHE -0.0004 cm/s  0.0009 %g
     BHZ 0.0007 cm/s  -0.0019 %g
     BHN -0.0002 cm/s  -0.0007 %g

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