Calibration of seismic wave propagation in Jordan

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The Natural Resources Authority of Jordan (NRA), the USGS and LLNL have a collaborative project to improve the calibration of seismic propagation in Jordan and surrounding regions. This project serves common goals of CTBT calibration and earthquake hazard assessment in the region. These objectives include accurate location of local and regional earthquakes, calibration of magnitude scales, and the development of local and regional propagation models. In the CTBT context, better propagation models and more accurately located events in the Dead Sea rift region can serve as (potentially GT5) calibration events for generating IMS location corrections. The detection and collection of ... continued below

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1.3 Megabytes pages

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Al-Husien, A; Amrat, A; Harris, D; Mayeda, K; Nakanishi, K; Rodgers, A et al. July 23, 1999.

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The Natural Resources Authority of Jordan (NRA), the USGS and LLNL have a collaborative project to improve the calibration of seismic propagation in Jordan and surrounding regions. This project serves common goals of CTBT calibration and earthquake hazard assessment in the region. These objectives include accurate location of local and regional earthquakes, calibration of magnitude scales, and the development of local and regional propagation models. In the CTBT context, better propagation models and more accurately located events in the Dead Sea rift region can serve as (potentially GT5) calibration events for generating IMS location corrections. The detection and collection of mining explosions underpins discrimination research. The principal activity of this project is the deployment of two broadband stations at Hittiyah (south Jordan) and Ruweishid (east Jordan). These stations provide additional paths in the region to constrain structure with surface wave and body wave tomography. The Ruweishid station is favorably placed to provide constraints on Arabian platform structure. Waveform modeling with long-period observations of larger earthquakes will provide constraints on 1-D velocity models of the crust and upper mantle. Data from these stations combined with phase observations from the 26 short-period stations of the Jordan National Seismic Network (JNSN) may allow the construction of a more detailed velocity model of Jordan. The Hittiyah station is an excellent source of ground truth information for the six phosphate mines of southern Jordan and Israel. Observations of mining explosions collected by this station have numerous uses: for definition of templates for screening mining explosions, as ground truth events for calibrating travel-time models, and as explosion populations in development and testing discriminants. Following previously established procedures for identifying explosions, we have identified more than 200 explosions from the first 85 days of recording. In addition, Hittiyah is being calibrated for coda magnitude estimation and is placed favorably to estimate mechanism and magnitude for earthquakes along the Dead Sea Rift and the Gulf of Aqaba.

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1.3 Megabytes pages

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  • 21st Annual Seismic Research Symposium Technologies for Monitoring the Comprehensive Nuclear Test Ban Treaty, Las Vegas, NV (US), 09/21/1999--09/24/1999

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  • Report No.: UCRL-JC-134329
  • Report No.: GC0402000
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 14582
  • Archival Resource Key: ark:/67531/metadc620047

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • July 23, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • May 5, 2016, 9:07 p.m.

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Al-Husien, A; Amrat, A; Harris, D; Mayeda, K; Nakanishi, K; Rodgers, A et al. Calibration of seismic wave propagation in Jordan, article, July 23, 1999; California. (digital.library.unt.edu/ark:/67531/metadc620047/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.