{"abstract":"Moment is a thousand times too small and Mw is 2 units low.","category":"Seismic magnitude estimation","checks":8,"contract":"Rigidity in GPa, rupture length and width in km, average slip in m; any non-positive value returns None. M0 = mu * area * slip in N*m (SI), Mw = 2/3 (log10 M0 - 9.1). Return [M0 formatted %.3e, Mw rounded 0.01].","contract_signature":"mu_gpa, length_km, width_km, slip_m","evaluation_group":"w2-seismic_magnitude_estimation-fault-slip-mw","failed_approach":"Using 1e10 treats rigidity as dyne/cm^2 and inflates the moment tenfold.","family":"w2-seismic_magnitude_estimation-fault-slip-mw-rigidity-units","id":"FA-71401","implementations":{"attempt":{"sha256":"0148775e6c38f314007151d8b10389de57e48871797ea871354c77eec8b62c9a","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nN = 1\nobservations = []\ndef solve(mu_gpa, length_km, width_km, slip_m):\n    if min(mu_gpa, length_km, width_km, slip_m) <= 0:\n        return None\n    area = (length_km * 1e3) * (width_km * 1e3)\n    m0 = mu_gpa * 1e10 * area * slip_m\n    mw = (2.0 / 3.0) * (math.log10(m0) - 9.1)\n    return [\"%.3e\" % m0, round(mw, 2)]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['mu 30 GPa L 1 W 1 D 0.05', [30, 1, 1, 0.05], ['1.500e+15', 4.05]], ['mu 30 GPa L 10 W 8 D 0.5', [30, 10, 8, 0.5], ['1.200e+18', 5.99]], ['mu 30 GPa L 50 W 20 D 2.0', [30, 50, 20, 2.0], ['6.000e+19', 7.12]], ['mu 30 GPa L 400 W 100 D 8.0', [30, 400, 100, 8.0], ['9.600e+21', 8.59]], ['mu 30 GPa L 0.5 W 0.3 D 0.01', [30, 0.5, 0.3, 0.01], ['4.500e+13', 3.04]], ['mu 32 GPa L 1 W 1 D 0.05', [32, 1, 1, 0.05], ['1.600e+15', 4.07]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 32 GPa L 50 W 20 D 2.0', [32, 50, 20, 2.0], ['6.400e+19', 7.14]]], [['mu 30 GPa L 400 W 100 D 8.0', [30, 400, 100, 8.0], ['9.600e+21', 8.59]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 32 GPa L 50 W 20 D 2.0', [32, 50, 20, 2.0], ['6.400e+19', 7.14]], ['mu 32 GPa L 400 W 100 D 8.0', [32, 400, 100, 8.0], ['1.024e+22', 8.61]], ['mu 32 GPa L 0.5 W 0.3 D 0.01', [32, 0.5, 0.3, 0.01], ['4.800e+13', 3.05]], ['mu 40 GPa L 1 W 1 D 0.05', [40, 1, 1, 0.05], ['2.000e+15', 4.13]], ['mu 40 GPa L 10 W 8 D 0.5', [40, 10, 8, 0.5], ['1.600e+18', 6.07]], ['mu 40 GPa L 50 W 20 D 2.0', [40, 50, 20, 2.0], ['8.000e+19', 7.2]]], [['mu 30 GPa L 1 W 1 D 0.05', [30, 1, 1, 0.05], ['1.500e+15', 4.05]], ['mu 30 GPa L 10 W 8 D 0.5', [30, 10, 8, 0.5], ['1.200e+18', 5.99]], ['mu 30 GPa L 50 W 20 D 2.0', [30, 50, 20, 2.0], ['6.000e+19', 7.12]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 40 GPa L 10 W 8 D 0.5', [40, 10, 8, 0.5], ['1.600e+18', 6.07]], ['mu 40 GPa L 0.5 W 0.3 D 0.01', [40, 0.5, 0.3, 0.01], ['6.000e+13', 3.12]], ['zero slip', [30, 10, 5, 0], None], ['negative width', [30, 10, -5, 1], None]], [['mu 30 GPa L 10 W 8 D 0.5', [30, 10, 8, 0.5], ['1.200e+18', 5.99]], ['mu 30 GPa L 0.5 W 0.3 D 0.01', [30, 0.5, 0.3, 0.01], ['4.500e+13', 3.04]], ['mu 32 GPa L 1 W 1 D 0.05', [32, 1, 1, 0.05], ['1.600e+15', 4.07]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 32 GPa L 50 W 20 D 2.0', [32, 50, 20, 2.0], ['6.400e+19', 7.14]], ['mu 32 GPa L 400 W 100 D 8.0', [32, 400, 100, 8.0], ['1.024e+22', 8.61]], ['mu 32 GPa L 0.5 W 0.3 D 0.01', [32, 0.5, 0.3, 0.01], ['4.800e+13', 3.05]], ['mu 40 GPa L 1 W 1 D 0.05', [40, 1, 1, 0.05], ['2.000e+15', 4.13]]], [['mu 30 GPa L 1 W 1 D 0.05', [30, 1, 1, 0.05], ['1.500e+15', 4.05]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 40 GPa L 10 W 8 D 0.5', [40, 10, 8, 0.5], ['1.600e+18', 6.07]], ['mu 40 GPa L 50 W 20 D 2.0', [40, 50, 20, 2.0], ['8.000e+19', 7.2]], ['mu 40 GPa L 400 W 100 D 8.0', [40, 400, 100, 8.0], ['1.280e+22', 8.67]], ['mu 40 GPa L 0.5 W 0.3 D 0.01', [40, 0.5, 0.3, 0.01], ['6.000e+13', 3.12]], ['zero slip', [30, 10, 5, 0], None], ['negative width', [30, 10, -5, 1], None]]]\nfor label, args, expected in fixtures[N - 1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"af6c804764c710e579ca37701728f6fb957b14e5c57e38a4d854aec93a4e9204","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nN = 1\nobservations = []\ndef solve(mu_gpa, length_km, width_km, slip_m):\n    if min(mu_gpa, length_km, width_km, slip_m) <= 0:\n        return None\n    area = (length_km * 1e3) * (width_km * 1e3)\n    m0 = mu_gpa * 1e6 * area * slip_m\n    mw = (2.0 / 3.0) * (math.log10(m0) - 9.1)\n    return [\"%.3e\" % m0, round(mw, 2)]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['mu 30 GPa L 1 W 1 D 0.05', [30, 1, 1, 0.05], ['1.500e+15', 4.05]], ['mu 30 GPa L 10 W 8 D 0.5', [30, 10, 8, 0.5], ['1.200e+18', 5.99]], ['mu 30 GPa L 50 W 20 D 2.0', [30, 50, 20, 2.0], ['6.000e+19', 7.12]], ['mu 30 GPa L 400 W 100 D 8.0', [30, 400, 100, 8.0], ['9.600e+21', 8.59]], ['mu 30 GPa L 0.5 W 0.3 D 0.01', [30, 0.5, 0.3, 0.01], ['4.500e+13', 3.04]], ['mu 32 GPa L 1 W 1 D 0.05', [32, 1, 1, 0.05], ['1.600e+15', 4.07]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 32 GPa L 50 W 20 D 2.0', [32, 50, 20, 2.0], ['6.400e+19', 7.14]]], [['mu 30 GPa L 400 W 100 D 8.0', [30, 400, 100, 8.0], ['9.600e+21', 8.59]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 32 GPa L 50 W 20 D 2.0', [32, 50, 20, 2.0], ['6.400e+19', 7.14]], ['mu 32 GPa L 400 W 100 D 8.0', [32, 400, 100, 8.0], ['1.024e+22', 8.61]], ['mu 32 GPa L 0.5 W 0.3 D 0.01', [32, 0.5, 0.3, 0.01], ['4.800e+13', 3.05]], ['mu 40 GPa L 1 W 1 D 0.05', [40, 1, 1, 0.05], ['2.000e+15', 4.13]], ['mu 40 GPa L 10 W 8 D 0.5', [40, 10, 8, 0.5], ['1.600e+18', 6.07]], ['mu 40 GPa L 50 W 20 D 2.0', [40, 50, 20, 2.0], ['8.000e+19', 7.2]]], [['mu 30 GPa L 1 W 1 D 0.05', [30, 1, 1, 0.05], ['1.500e+15', 4.05]], ['mu 30 GPa L 10 W 8 D 0.5', [30, 10, 8, 0.5], ['1.200e+18', 5.99]], ['mu 30 GPa L 50 W 20 D 2.0', [30, 50, 20, 2.0], ['6.000e+19', 7.12]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 40 GPa L 10 W 8 D 0.5', [40, 10, 8, 0.5], ['1.600e+18', 6.07]], ['mu 40 GPa L 0.5 W 0.3 D 0.01', [40, 0.5, 0.3, 0.01], ['6.000e+13', 3.12]], ['zero slip', [30, 10, 5, 0], None], ['negative width', [30, 10, -5, 1], None]], [['mu 30 GPa L 10 W 8 D 0.5', [30, 10, 8, 0.5], ['1.200e+18', 5.99]], ['mu 30 GPa L 0.5 W 0.3 D 0.01', [30, 0.5, 0.3, 0.01], ['4.500e+13', 3.04]], ['mu 32 GPa L 1 W 1 D 0.05', [32, 1, 1, 0.05], ['1.600e+15', 4.07]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 32 GPa L 50 W 20 D 2.0', [32, 50, 20, 2.0], ['6.400e+19', 7.14]], ['mu 32 GPa L 400 W 100 D 8.0', [32, 400, 100, 8.0], ['1.024e+22', 8.61]], ['mu 32 GPa L 0.5 W 0.3 D 0.01', [32, 0.5, 0.3, 0.01], ['4.800e+13', 3.05]], ['mu 40 GPa L 1 W 1 D 0.05', [40, 1, 1, 0.05], ['2.000e+15', 4.13]]], [['mu 30 GPa L 1 W 1 D 0.05', [30, 1, 1, 0.05], ['1.500e+15', 4.05]], ['mu 32 GPa L 10 W 8 D 0.5', [32, 10, 8, 0.5], ['1.280e+18', 6.0]], ['mu 40 GPa L 10 W 8 D 0.5', [40, 10, 8, 0.5], ['1.600e+18', 6.07]], ['mu 40 GPa L 50 W 20 D 2.0', [40, 50, 20, 2.0], ['8.000e+19', 7.2]], ['mu 40 GPa L 400 W 100 D 8.0', [40, 400, 100, 8.0], ['1.280e+22', 8.67]], ['mu 40 GPa L 0.5 W 0.3 D 0.01', [40, 0.5, 0.3, 0.01], ['6.000e+13', 3.12]], ['zero slip', [30, 10, 5, 0], None], ['negative width', [30, 10, -5, 1], None]]]\nfor label, args, expected in fixtures[N - 1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Stipulated deterministic teaching model of a seismological magnitude procedure; constants and tables are fixed by the contract and no claim of agency or standards conformance is made. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w2-seismic_magnitude_estimation-fault-slip-mw-rigidity-units","generated_at":"2026-09-29T14:48:29.378921+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Scenario ruptures for hazard studies convert fault geometry into moment magnitude.","root_cause":"GPa is converted with the MPa factor.","sha256":"bda12cf196002e139f61939f314e918012f2dbd7dcdc8d0615f85308ade2d8cc","title":"Moment magnitude from fault dimensions: rigidity units · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verified":true,"visibility":"public","verification":{"attempt":{"elapsed_ms":38.827,"exit_code":1,"observations":[{"actual":["1.500e+16",4.72],"check":"mu 30 GPa L 1 W 1 D 0.05","expected":["1.500e+15",4.05],"passed":false},{"actual":["1.200e+19",6.65],"check":"mu 30 GPa L 10 W 8 D 0.5","expected":["1.200e+18",5.99],"passed":false},{"actual":["6.000e+20",7.79],"check":"mu 30 GPa L 50 W 20 D 2.0","expected":["6.000e+19",7.12],"passed":false},{"actual":["9.600e+22",9.25],"check":"mu 30 GPa L 400 W 100 D 8.0","expected":["9.600e+21",8.59],"passed":false},{"actual":["4.500e+14",3.7],"check":"mu 30 GPa L 0.5 W 0.3 D 0.01","expected":["4.500e+13",3.04],"passed":false},{"actual":["1.600e+16",4.74],"check":"mu 32 GPa L 1 W 1 D 0.05","expected":["1.600e+15",4.07],"passed":false},{"actual":["1.280e+19",6.67],"check":"mu 32 GPa L 10 W 8 D 0.5","expected":["1.280e+18",6.0],"passed":false},{"actual":["6.400e+20",7.8],"check":"mu 32 GPa L 50 W 20 D 2.0","expected":["6.400e+19",7.14],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"mu 30 GPa L 1 W 1 D 0.05\", \"actual\": [\"1.500e+16\", 4.72], \"expected\": [\"1.500e+15\", 4.05], \"passed\": false}, {\"check\": \"mu 30 GPa L 10 W 8 D 0.5\", \"actual\": [\"1.200e+19\", 6.65], \"expected\": [\"1.200e+18\", 5.99], \"passed\": false}, {\"check\": \"mu 30 GPa L 50 W 20 D 2.0\", \"actual\": [\"6.000e+20\", 7.79], \"expected\": [\"6.000e+19\", 7.12], \"passed\": false}, {\"check\": \"mu 30 GPa L 400 W 100 D 8.0\", \"actual\": [\"9.600e+22\", 9.25], \"expected\": [\"9.600e+21\", 8.59], \"passed\": false}, {\"check\": \"mu 30 GPa L 0.5 W 0.3 D 0.01\", \"actual\": [\"4.500e+14\", 3.7], \"expected\": [\"4.500e+13\", 3.04], \"passed\": false}, {\"check\": \"mu 32 GPa L 1 W 1 D 0.05\", \"actual\": [\"1.600e+16\", 4.74], \"expected\": [\"1.600e+15\", 4.07], \"passed\": false}, {\"check\": \"mu 32 GPa L 10 W 8 D 0.5\", \"actual\": [\"1.280e+19\", 6.67], \"expected\": [\"1.280e+18\", 6.0], \"passed\": false}, {\"check\": \"mu 32 GPa L 50 W 20 D 2.0\", \"actual\": [\"6.400e+20\", 7.8], \"expected\": [\"6.400e+19\", 7.14], \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":38.141,"exit_code":1,"observations":[{"actual":["1.500e+12",2.05],"check":"mu 30 GPa L 1 W 1 D 0.05","expected":["1.500e+15",4.05],"passed":false},{"actual":["1.200e+15",3.99],"check":"mu 30 GPa L 10 W 8 D 0.5","expected":["1.200e+18",5.99],"passed":false},{"actual":["6.000e+16",5.12],"check":"mu 30 GPa L 50 W 20 D 2.0","expected":["6.000e+19",7.12],"passed":false},{"actual":["9.600e+18",6.59],"check":"mu 30 GPa L 400 W 100 D 8.0","expected":["9.600e+21",8.59],"passed":false},{"actual":["4.500e+10",1.04],"check":"mu 30 GPa L 0.5 W 0.3 D 0.01","expected":["4.500e+13",3.04],"passed":false},{"actual":["1.600e+12",2.07],"check":"mu 32 GPa L 1 W 1 D 0.05","expected":["1.600e+15",4.07],"passed":false},{"actual":["1.280e+15",4.0],"check":"mu 32 GPa L 10 W 8 D 0.5","expected":["1.280e+18",6.0],"passed":false},{"actual":["6.400e+16",5.14],"check":"mu 32 GPa L 50 W 20 D 2.0","expected":["6.400e+19",7.14],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"mu 30 GPa L 1 W 1 D 0.05\", \"actual\": [\"1.500e+12\", 2.05], \"expected\": [\"1.500e+15\", 4.05], \"passed\": false}, {\"check\": \"mu 30 GPa L 10 W 8 D 0.5\", \"actual\": [\"1.200e+15\", 3.99], \"expected\": [\"1.200e+18\", 5.99], \"passed\": false}, {\"check\": \"mu 30 GPa L 50 W 20 D 2.0\", \"actual\": [\"6.000e+16\", 5.12], \"expected\": [\"6.000e+19\", 7.12], \"passed\": false}, {\"check\": \"mu 30 GPa L 400 W 100 D 8.0\", \"actual\": [\"9.600e+18\", 6.59], \"expected\": [\"9.600e+21\", 8.59], \"passed\": false}, {\"check\": \"mu 30 GPa L 0.5 W 0.3 D 0.01\", \"actual\": [\"4.500e+10\", 1.04], \"expected\": [\"4.500e+13\", 3.04], \"passed\": false}, {\"check\": \"mu 32 GPa L 1 W 1 D 0.05\", \"actual\": [\"1.600e+12\", 2.07], \"expected\": [\"1.600e+15\", 4.07], \"passed\": false}, {\"check\": \"mu 32 GPa L 10 W 8 D 0.5\", \"actual\": [\"1.280e+15\", 4.0], \"expected\": [\"1.280e+18\", 6.0], \"passed\": false}, {\"check\": \"mu 32 GPa L 50 W 20 D 2.0\", \"actual\": [\"6.400e+16\", 5.14], \"expected\": [\"6.400e+19\", 7.14], \"passed\": false}], \"passed\": false}\n"}},"member_only":{"stages":["fixed"],"fields":["implementations.fixed","verification.fixed","harness","repair"],"note":"The verified repair, its recorded checks, the repair description, and the scoring harness are available to members."}}