{"multigmpe": {"PGA": {"gmpes": [{"gmpes": ["[AbrahamsonEtAl2014]", "[BooreEtAl2014]", "[CampbellBozorgnia2014]", "[ChiouYoungs2014]"], "weights": [0.25, 0.25, 0.25, 0.25], "name": "active_crustal_nshmp2014"}, {"gmpes": ["[ParkerEtAl2020SInterAK]", "[AbrahamsonGulerce2020SInterAK]", "[KuehnEtAl2020SInterAK]"], "weights": [0.3333, 0.3333, 0.3334], "name": "subduction_interface_alaska"}], "weights": [0.8960699999999999, 0.10393000000000008], "name": "gmpe_a2026gnujfp_custom"}, "PGV": {"gmpes": [{"gmpes": ["[AbrahamsonEtAl2014]", "[BooreEtAl2014]", "[CampbellBozorgnia2014]", "[ChiouYoungs2014]"], "weights": [0.25, 0.25, 0.25, 0.25], "name": "active_crustal_nshmp2014"}, {"gmpes": ["[ParkerEtAl2020SInterAK]", "[AbrahamsonGulerce2020SInterAK]", "[KuehnEtAl2020SInterAK]"], "weights": [0.3333, 0.3333, 0.3334], "name": "subduction_interface_alaska"}], "weights": [0.8960699999999999, 0.10393000000000008], "name": "gmpe_a2026gnujfp_custom"}, "SA(3.0)": {"gmpes": [{"gmpes": ["[AbrahamsonEtAl2014]", "[BooreEtAl2014]", "[CampbellBozorgnia2014]", "[ChiouYoungs2014]"], "weights": [0.25, 0.25, 0.25, 0.25], "name": "active_crustal_nshmp2014"}, {"gmpes": ["[ParkerEtAl2020SInterAK]", "[AbrahamsonGulerce2020SInterAK]", "[KuehnEtAl2020SInterAK]"], "weights": [0.3333, 0.3333, 0.3334], "name": "subduction_interface_alaska"}], "weights": [0.8960699999999999, 0.10393000000000008], "name": "gmpe_a2026gnujfp_custom"}, "SA(0.3)": {"gmpes": [{"gmpes": ["[AbrahamsonEtAl2014]", "[BooreEtAl2014]", "[CampbellBozorgnia2014]", "[ChiouYoungs2014]"], "weights": [0.25, 0.25, 0.25, 0.25], "name": "active_crustal_nshmp2014"}, {"gmpes": ["[ParkerEtAl2020SInterAK]", "[AbrahamsonGulerce2020SInterAK]", "[KuehnEtAl2020SInterAK]"], "weights": [0.3333, 0.3333, 0.3334], "name": "subduction_interface_alaska"}], "weights": [0.8960699999999999, 0.10393000000000008], "name": "gmpe_a2026gnujfp_custom"}, "SA(1.0)": {"gmpes": [{"gmpes": ["[AbrahamsonEtAl2014]", "[BooreEtAl2014]", "[CampbellBozorgnia2014]", "[ChiouYoungs2014]"], "weights": [0.25, 0.25, 0.25, 0.25], "name": "active_crustal_nshmp2014"}, {"gmpes": ["[ParkerEtAl2020SInterAK]", "[AbrahamsonGulerce2020SInterAK]", "[KuehnEtAl2020SInterAK]"], "weights": [0.3333, 0.3333, 0.3334], "name": "subduction_interface_alaska"}], "weights": [0.8960699999999999, 0.10393000000000008], "name": "gmpe_a2026gnujfp_custom"}}, "input": {"event_information": {"depth": "18.0393", "event_id": "a2026gnujfp", "eventsource": "AK", "netid": "AK", "eventsourcecode": "a2026gnujfp", "id": "a2026gnujfp", "productcode": "a2026gnujfp", "productsource": "ak", "producttype": "shakemap", "event_ref": "Origin", "fault_ref": "Origin", "intensity_observations": "0", "latitude": "51.6265", "longitude": "176.137", "location": "253 km (157 miles) ESE of Attu Station", "magnitude": "4.09534", "origin_time": "2026-04-03T11:49:39.536236Z", "seismic_stations": "5", "src_mech": "ALL", "event_description": "253 km (157 miles) ESE of Attu Station", "event_type": "ACTUAL", "origin_reviewed": "unknown"}}, "strec": {"TectonicRegion": "Subduction", "FocalMechanism": "ALL", "TensorType": "composite", "TensorSource": "composite", "KaganAngle": null, "CompositeVariability": 0.658414663580378, "NComposite": 3, "DistanceToStable": 218.827548754142, "DistanceToActive": 77.29974623502271, "DistanceToSubduction": 0.0, "DistanceToVolcanic": 5154.278029805223, "Oceanic": false, "DistanceToOceanic": 91.96479537894785, "DistanceToContinental": 0.0, "SlabModelRegion": "", "SlabModelDepth": null, "SlabModelDepthUncertainty": null, "SlabModelDip": null, "SlabModelStrike": null, "SlabModelMaximumDepth": null, "ProbabilityActive": 0.18500576052970388, "ProbabilityStable": 0.0, "ProbabilitySubduction": 0.8149942394702961, "ProbabilityVolcanic": 0.0, "ProbabilitySubductionCrustal": 0.7302918881621482, "ProbabilitySubductionInterface": 0.08470235130814795, "ProbabilitySubductionIntraslab": 0.0, "ProbabilityStableShallow": 0.0, "DistanceToBackarc": 1704.8580854653173, "ProbabilityActiveShallow": 0.18500576052970388, "ProbabilityActiveDeep": 0.0, "ProbabilityVolcanicShallow": 0.0}, "output": {"ground_motions": {"PGA": {"units": "g", "bias": "0.0", "max_grid": "0.024", "max": "0.002"}, "PGV": {"units": "cms", "bias": "0.0", "max_grid": "0.543", "max": "0.053"}, "SA(3.0)": {"units": "g", "bias": "0.0", "max_grid": "0.0", "max": "0.0"}, "SA(0.3)": {"units": "g", "bias": "0.0", "max_grid": "0.025", "max": "0.002"}, "MMI": {"units": "intensity", "bias": "0.0", "max_grid": "3.553", "max": "2.019"}, "SA(1.0)": {"units": "g", "bias": "0.0", "max_grid": "0.002", "max": "0.0"}}, "map_information": {"grid_points": {"longitude": "693", "latitude": "435", "units": ""}, "grid_spacing": {"longitude": "0.0083333", "latitude": "0.0083333", "units": "degrees"}, "grid_span": {"longitude": "5.767", "latitude": "3.617", "units": "degrees"}, "min": {"longitude": "173.367", "latitude": "49.783", "units": "degrees"}, "max": {"longitude": "179.133", "latitude": "53.4", "units": "degrees"}}, "uncertainty": {"grade": "--", "mean_uncertainty_ratio": null, "total_flagged_mi": "0", "total_flagged_pgm": "0"}}, "processing": {"ground_motion_modules": {"gmpe": {"module": "gmpe_a2026gnujfp_custom", "reference": ""}, "ipe": {"module": "VirtualIPE", "reference": ""}, "gmice": {"module": "WGRW12", "reference": ""}, "ccf": {"module": "LothBaker2013", "reference": ""}, "basin_correction": {"module": "None", "reference": ""}, "directivity": {"module": "None", "reference": ""}}, "model_flags": {"no_macroseismic": false, "no_seismic": false, "no_rupture": false}, "miscellaneous": {"bias_max_dsigma": "1.5", "bias_max_mag": "7.0", "bias_max_range": "120.0", "median_dist": "False", "do_outliers": true, "outlier_deviation_level": "3.0", "outlier_max_mag": "7.0"}, "shakemap_versions": {"shakemap_revision": "4.4.6", "shakemap_revision_id": "4.4.6", "shakemap_modules_revision": "1.1.13", "esi_shakelib_revision": "1.1.13", "process_time": "2026-04-03T15:42:30Z", "map_version": 4, "map_comment": "automatic run", "map_data_history": [["2026-04-03T11:55:08Z", "ak", 1, "automatic run"], ["2026-04-03T11:57:08Z", "ak", 2, "automatic run"], ["2026-04-03T11:59:02Z", "ak", 3, "automatic run"], ["2026-04-03T15:42:25Z", "ak", 4, "automatic run"]], "map_status": "automatic"}, "site_response": {"vs30default": "760.0", "site_correction": "GMPE native"}}}