Category: "Berkeley Digital Seismic Network (BDSN, BK)"

NCEDC archives continuous BDSN data for the 2002/11/03 Denali earthquake

March 25th, 2004
The NCEDC has archived 2 days of continuous high frequency data from the BDSN network for the days surrounding the magnitude 7.8 Denali earthquake of November 3, 2002. Instead of the normally triggered data at sample rates of 80 or 100 Hz, the NCEDC… more »

NCEDC archives continuous BDSN data for the 2003/12/22 San Simeon Earthquake

January 28th, 2004
January 28, 2004 The NCEDC has archived 7 days of continuous high frequency data from the BDSN network for the days surrounding the magnitude 6.5 San Simeon Earthquake of December 22, 2003. The NCEDC normally archives continuous 20 Hz and lower… more »

BSL earthquake catalog available in database

December 19th, 2003
The NCEDC is gradually converting the Northern California earthquake catalogs from "flat files" to a database structure. At present, the BSL BDSN catalog is transferred from 1984-present and the information is accessible through a search interface here:… more »

Modifications to the FIR filters on the BDSN and Mini-PBO Q4120 dataloggers

June 30th, 2003
The BDSN and MiniPBO Q4120 Quanterras will be reconfigured and rebooted at 5 pm PST today (July 1, 00:00 UTC) in order to change the FIR filter for the 100 Hz channels from acausal to causal. The affected stations are: BDSN BDM CVS FARB PACP POTP POTR… more »

Quanterra Timing Errors

July 1st, 2000
July 1st, 2000 This description of the Quanterra timing errors is primarily taken from the 1999-2000 Annual Report of the Berkeley Seismological Laboratory. In late 1998, Quanterra provided the first release of MultiSHEAR, an enhanced version of its… more »

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