Category: "Data Availability"

NCEDC expands continuous 250 Hz archive for HRSN network

January 19th, 2004
January 19, 2004 The NCEDC has extented its continuous archive of 250 Hz data from the HRSN (BP) network with an additional 109 days of continuous 250 Hz data. Continuous 250 Hz data from 2002.228,20:00 - 2002.336,20:00 now available from the HRSN (BP)… 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 »

SeismiQuery web interface available

November 15th, 2001
The SeismiQuery program, a web-based program developed by the IRIS DMC, is now available the NCEDC. SeismiQuery provides users with a variety of pre-formatted queries concerning waveform data, instrument response, and channel information database from… more »

USGS Low Frequency Geophysical Data available

October 19th, 2001
October 19, 2001 The Northern California Earthquake Data Center (NCEDC) and the U.S. Geological Survey (USGS) are pleased to announce the availablity of extensive "low frequency" geophysical and fault monitoring data. With National Earthquake Hazards… more »

BK Network data available in SEED format

October 4th, 1999
October 4, 1999 As of October 4, 1999, the NCEDC can distribute all data for the entire BK network in SEED format with complete multi-stage instrument responses. This includes all seismic channels (broadband and strong motion), electric and magnetic… more »

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