Using Shear Wave Travel Time Correction Surfaces to Improve Regional Seismic Location in China

Conclusions and Future Work

  1. Given adequate data, S phases can help to improve regional seismic locations.
  2. Improve catalog shear phase picks.
  3. Using S phases which unsure about quality of picks can degrade solutions.
  4. Relocating ground truth events with P phases and only LANL S picks improves locations over adding global catalog S picks.
  5. Focal mechanism for mainshock correlates with epicenter trend of relocations. Surface rupture not follow fault plane at depth?
Introduction | Generation of Propagation Path Correction (PPC) Surfaces | Ground Truth Comparisons
Ground Truth Comparisons Using LANL S Picks | Focal Mechanism Comparison | Conclusions and Future Work | References