NEHRP Clearinghouse

displaying 1 - 4 results in total 4

• Seismicity Report on Black Rock Desert Project - Northwest Nevada.
  National Science Foundation, Washington, D.C. Research Applied to National Needs., August 1974, 34 p.
  Keywords: Geophysical surveys; Seismometers; Nevada; Geothermal prospecting; Gerlach (Nevada); Seismic detection; Epicenters; Seismic arrays; Seismic prospecting; Northwest Region (Nevada); Instrumentation; Seismological stations; Seismic surveys; Earthquakes

• Waldhauser, F.
  hypoDD: A Program to Comput Double-Difference Hypocenter Locations (hypoDD Version 1.0 - 03/2001).
  January 2001, 30 p.
  Identifying Number(s): USGS/OFR-01-113
  Keywords: Error assessments; Syntax; Installation; Epicenters; Algorithms; Data weighting; Output files; Event clustering; Input files; Data selection; Double-difference algorithms; HypoDD; Earthquake relocation; Fortran computer program packages; Hypocenter locations; Utility programs; Earthquakes

• Dewey, J. W.
  Seismicity of Afghanistan and Vicinity.
  January 2006, 62 p.
  Identifying Number(s): USGS/OFR-2006-1185
  Keywords: ; Macroseismic effects; Catalogs; Focal depths; Tectonics; Afghanistan; Epicenters; Accuracy; Seismicity; Earthquakes

• Lienert, B. R.; Berg, E.; Frazer, L. N.
  Hypocenter: An Earthquake Location Method Using Centered, Scaled, and Adaptively Damped Least Squares.
  June 1986, 15 p.
  Identifying Number(s): HIG-CONTRIB-1712
  Keywords: Equations; HYPOCENTER model; Velocity; Arrival time; Seismic velocity; Seismic data; Damping; Time; Earthquakes; Position (Location); Travel time; Algorithms; Seismic arrays; Mean; Reprints; Variables; Epicenters; Adaptive systems; Iterations; Least squares method