Semiannual Technical Summary, 1 April - 30 September 1994 (Royal Norwegian Council for Scientific and Industrial Research).

Abstract

This Semiannual Technical Summary describes the operation, maintenance and research activities at the Norwegian Seismic Array (NORSAR), the Norwegian Regional Seismic Array (NORESS), the Arctic Regional Seismic Array (ARCESS) and the experimental Spitsbergen Regional Array for the period for the period 1 April - 30 September 1994. Statistics are also presented for additional seismic stations, which through cooperative agreements with institutions in the host countries provide continuous data to the NORSAR Data processing Center (NDPC). These stations comprise the Finnish Experimental Seismic Array (FINESS), the German Experimental Seismic Array (GERESS), and an experimental regional seismic array in Apatity, Russia. This Semiannual Report also presents statistics from operation of the Intelligent Monitoring System (IMS). The IMS has been operated in an experimental mode, with continuous automatic detection and location and with analyst review of selected events of interest. Since October 1991, a new version of the IMS that accepts data from an arbitrary number of arrays and single 3-component stations has been operated. The NORSAR Detection Processing system has been operated throughout the period with an average uptime of 99.3% as compared to 98.3% for the previous reporting period. A total of 2015 seismic events have been reported in the NORSAR monthly seismic bulletin. The performance of the continuous alarm system and the automatic bulletin transfer by telex to AFTAC has been satisfactory. The system for direct retrieval of NORSAR wave-form data through an X.25 connection has been used successfully for acquiring such data by AFTAC. Processing of requests for full NORSAR and regional array data on magnetic tapes has progressed according to established schedules.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1994
Accession Number
ADA307496

Entities

Organizations

  • Royal Norwegian Council for Scientific and Industrial Research

Tags

Communities of Interest

  • Materials and Manufacturing Processes
  • Sensors
  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Acquisition
  • Data Acquisition
  • Data Analysis
  • Data Centers
  • Data Processing
  • Databases
  • Detection
  • Detectors
  • Information Science
  • Nuclear Explosions
  • Seismic Arrays
  • Signal Processing
  • Statistics
  • Time Intervals
  • Travel Time
  • Waveforms

Readers

  • Seismology