LDEO Seismology Project: USArray Waveform Quality
Evolution of long-period noise at USArray Transportable Array and Backbone stations
Monthly ranked lists of background noise at USArray Transportable Array and Backbone stations
Statistics on surface-wave polarization and probable station misorientation
Map of Transportable Array sites from IRIS web page
Updated 2007-06-20
Göran Ekström
and
Meredith Nettles
, Lamont-Doherty Earth Observatory, Columbia University