Accurate Source Depths and Focal Mechanisms of Shallow Earthquakes InWestern South America and in the New Hebrides Island Arc |
Contents
Introduction 1 | 11 |
Data and Method of Analysis 7 | 11 |
Results of Matching | 30 |
16 other sections not shown
Common terms and phrases
Appendix aseismic attenuation bathymetry Benioff zone Cocos plate coda COMPLOT cross-sections crustal DELAYT depth J-B depths obtained descending plate digitized seismogram earthquake locations epicenter errors fault plane Figure 21 Fiji Fiji plateau focal mechanism solution FORMAT FORMAT(1X free depth Geophys Hebrides earthquake hypocenters IMPLICIT REAL*8 A-H,L,M,O-Z INTEGER interplate boundary interplate events interplate thrust intraplate island arc km/sec Langston lithosphere long-period Map showing NAME DATA NAZCA RIDGE nodal plane non-thrust observed seismogram observed waveforms OCEA overriding plate P-wave P-wave velocity plotted punched in columns quality of matching ray parameter reflected phases RETURN END RHO1 RHOC RHOS RHOW seismic moment seismic waves seismograph stations seismometer shallow earthquakes showing the locations source bias source function South America subduction zones SUBROUTINE synthetic seismogram algorithm synthetic seismogram depth tectonic thickness thrust fault thrust fault events travel-time trench velocity model water layer WATFIV zero-crossing zone of contact