{ "schema_version": 1, "calculation_date_local": "2026-09-15", "timezone": "Asia/Shanghai", "paper_reference": "https://doi.org/10.1093/gji/ggaf534", "scope": "Fresh single-depth regional displacement and stress comparison; inspired by Fig.3, not a reproduction.", "settings": { "model": "AK135-FC", "model_file": "model-ak135fc.nd", "model_sha256": "de5ec108f9a2e9c54ea3b5a1293e0fba74fdd85ac81856367cb6a7921283ce12", "source_depth_km": 10.0, "receiver_depth_km": 1.0, "distances_km": [ 300, 600, 900 ], "azimuth_degrees": 20.0, "strike_dip_rake_degrees": [ 223.0, 47.0, 131.0 ], "scalar_moment_N_m": 3.112616e+16, "moment_definition": "mu*A*slip = (2600 kg/m3)*(3460 m/s)^2*(1e6 m2)*(1 m)", "native_dt_s": 0.25, "native_samples": 2048, "native_sample_span_s": 511.75, "fft_period_s": 512.0, "nominal_max_frequency_hz": 2.0, "last_retained_frequency_hz": 1.998046875, "nyquist_endpoint_zero": true, "frequency_increment_hz": 0.001953125, "source_time_function": { "moment_rate": "2/T*sin(pi*t/T)^2 for 0<=t<=T; zero otherwise", "duration_s": 1.25, "area": 1.0, "centroid_s": 0.625 }, "free_surface": true, "anti_alias_parameter": 0.01, "physical_dispersion": false, "qseis_fi_hz": -0.0014322141648840795, "spherical_fi_hz": -0.0014315148415613823, "qseis_model_rows": 40, "qseis_model_bottom_km": 1601.5, "qseis_flattening": true, "spherical_model_rows": 138, "qseis_same_upper_model_rows_including_Q": true, "qseis_native_distances_km": [ 299.952912, 599.905823, 899.858735 ], "actual_maximum_spherical_degree": { "spgrn2012": 23795, "spgrn2020": 31390, "qssp2020": 31992 }, "qssp_configured_maximum_degree": 40000, "analysis_window_s": [ 0.0, 400.0 ], "analysis_samples": 1601, "strong_wave_display_windows_s": { "300": [ 75, 115 ], "600": [ 155, 220 ], "900": [ 240, 310 ] } }, "processing": { "raw_label": "Common 1.25 s source-time function and continuous rate integration already applied; no additional display low-pass. QSSP rate indices were deterministically restored. 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