NCEDC PSD Summary (Weekly updated)
 ● PSD data extracted from NCEDC PDF data.
● Summary table of BDSN instrumentation.
Map of Seismic Stations

Network Legend

BDSN legend BDSN HRSN legend HRSN NHFN mPBO legend NHFN & mPBO NCSN BB legend NCSN BB

Network Summary

Network Frequency range
Short period Long period
BDSN 0.125-0.25 s period 32-128 s period
HRSN 0.125-0.5 s period N/A
NHFN & mPBO 0.125-0.5 s period N/A
NCSN BB 0.125-0.25 s period 32-128 s period