| NUMBER | DESCRIPTION |
|---|---|
| 1.000 | Seismic Arrays, Networks, and Instrumentation |
| 2.000 | Intensity Measures and Scales |
| 3.000 | Signal Processing |
| 4.000 | Inverse Theory |
| 5.000 | Geology |
| 6.000 | Paleoseismology and Archeoseismology |
| 7.000 | Geodesy and Deformation |
| 8.000 | Rock Mechanics |
| 9.000 | Heat Flow |
| 10.000 | Potential Fields |
| 11.000 | Wave Propagation |
| 12.000 | Earth Structure |
| 12.100 | Faults |
| 12.200 | Upper crust |
| 12.300 | Lithosphere |
| 12.400 | Mantle |
| 12.500 | Core |
| 13.000 | Seismic Sources |
| 13.100 | Earthquake |
| 13.200 | Explosion |
| 13.300 | Location |
| 13.400 | Models (e.g. Dynamic, Kinematic) |
| 13.500 | Other |
| 13.600 | Tremor |
| 13.700 | Parameters (e.g. Stress Drop, Energy) |
| 13.800 | Size (e.g. Moment, Magnitude, Yield) |
| 14.000 | Seismicity |
| 15.000 | Seismotectonics |
| 16.000 | Tectonic Regime |
| 16.100 | Collision |
| 16.200 | Extension |
| 16.300 | Geothermal |
| 16.400 | Oceanic |
| 16.500 | Strike-Slip |
| 16.600 | Subduction |
| 16.700 | Stable Continental |
| 17.000 | Seismogenic Processes |
| 18.000 | Induced Seismicity |
| 19.000 | Volcano Seismology |
| 20.000 | Forensic Seismology and Verification |
| 21.000 | Ground Motion |
| 21.010 | Observations |
| 21.020 | Measures |
| 21.030 | Source Effects |
| 21.040 | Path Effects |
| 21.050 | Basin & Site Effects |
| 21.060 | Topographic Effects |
| 21.070 | Characteristics (e.g. spectra, duration) |
| 21.080 | Prediction Equations |
| 21.090 | Simulated |
| 21.100 | Damage Potential |
| 22.000 | Ground Failure |
| 23.000 | Tsunamis |
| 24.000 | Earthquake and Geotechnical Engineering |
| 25.000 | Early Warning |
| 26.000 | Earthquake Prediction and Forecasting |
| 27.000 | Seismic Hazards, Risk, and Loss Assessments |
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