Category: "Catalogs"

Change in NCSN Earthquake Catalog

August 1st, 1995
The USGS Northern California Seismic Network (NCSN) has implemented a new policy regarding the archival of automatically timed (RTP) earthquake data in their catalog at the NCEDC. The RTP is an automated system that automatically picks seismic phases,… more »

Magnitude change in UC Berkeley Earthquake Catalog

February 8th, 1995
February 8, 1995 The UC Berkeley Seismological Laboratory recently discovered a bug in the program used to compute earthquake magnitudes in the UCB catalog. Under certain conditions some station corrections were not always applied to the magnitude… more »

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