{
 "generado": "2026-09-07",
 "caja": [
  -34.3,
  -33.4,
  -70.6,
  -69.7
 ],
 "prof_cortical_km": 35,
 "radio_parche_km": 5,
 "enjambre": {
  "inicio_local": "2026-09-05 09:44",
  "n_prensa": 374,
  "n_prensa_fecha": "2026-09-06",
  "n_prensa_fuente": "recuento del CSN citado por Red Geocientífica de Chile y T13, 24 h desde el inicio",
  "n_m3_prensa": 3,
  "eventos": [
   {
    "utc": "2026-09-05 14:38",
    "local": "2026-09-05 10:38",
    "lat": -33.759,
    "lon": -70.11,
    "prof": 11,
    "mag": 2.5
   },
   {
    "utc": "2026-09-05 14:47",
    "local": "2026-09-05 10:47",
    "lat": -33.76,
    "lon": -70.104,
    "prof": 12,
    "mag": 2.5
   },
   {
    "utc": "2026-09-06 06:13",
    "local": "2026-09-06 03:13",
    "lat": -33.758,
    "lon": -70.097,
    "prof": 9,
    "mag": 3.0
   },
   {
    "utc": "2026-09-06 10:46",
    "local": "2026-09-06 07:46",
    "lat": -33.75,
    "lon": -70.119,
    "prof": 10,
    "mag": 3.2
   },
   {
    "utc": "2026-09-06 11:29",
    "local": "2026-09-06 08:29",
    "lat": -33.752,
    "lon": -70.118,
    "prof": 10,
    "mag": 3.0
   }
  ],
  "n_catalogo": 5,
  "centroide": [
   -33.756,
   -70.11
  ],
  "prof_media": 10.4,
  "prof_rango": [
   9,
   12
  ],
  "dispersion_km": 2.2,
  "mag_max": 3.2,
  "ultimo_utc": "2026-09-06 11:29"
 },
 "fondo_2026": {
  "max_cumulo_otro": 6,
  "mayor_cortical": {
   "utc": "2026-08-13 04:44",
   "local": "2026-08-13 00:44",
   "lat": -34.02,
   "lon": -70.104,
   "prof": 11,
   "mag": 3.2,
   "dist_km": 29.4
  },
  "dias_parche_multiples": [],
  "desde": "2026-01-01",
  "hasta": "2026-09-04",
  "dias": 247,
  "n_total_caja": 26,
  "n_corticales": 12,
  "por_mes": {
   "2026-02": 1,
   "2026-03": 1,
   "2026-04": 2,
   "2026-05": 3,
   "2026-08": 5
  },
  "tasa_mes": 1.48,
  "mag_max": 3.2,
  "mismo_parche": [
   {
    "utc": "2026-02-15 09:55",
    "local": "2026-02-15 06:55",
    "lat": -33.743,
    "lon": -70.093,
    "prof": 15,
    "mag": 2.6,
    "dist_km": 2.1
   },
   {
    "utc": "2026-03-11 18:35",
    "local": "2026-03-11 15:35",
    "lat": -33.744,
    "lon": -70.081,
    "prof": 12,
    "mag": 2.5,
    "dist_km": 3.0
   },
   {
    "utc": "2026-05-06 09:15",
    "local": "2026-05-06 05:15",
    "lat": -33.757,
    "lon": -70.108,
    "prof": 13,
    "mag": 2.9,
    "dist_km": 0.2
   }
  ]
 },
 "fondo_2023_2025": {
  "max_cumulo_otro": 5,
  "mayor_cortical": {
   "utc": "2023-07-24 08:24",
   "local": "2023-07-24 04:24",
   "lat": -34.084,
   "lon": -70.35,
   "prof": 2,
   "mag": 4.3,
   "dist_km": 42.7
  },
  "dias_parche_multiples": [
   "2025-06-10"
  ],
  "desde": "2023-01-01",
  "hasta": "2025-12-31",
  "dias": 1096,
  "n_total_caja": 99,
  "n_corticales": 32,
  "por_mes": {
   "2023-01": 1,
   "2023-02": 2,
   "2023-03": 1,
   "2023-04": 1,
   "2023-05": 1,
   "2023-07": 1,
   "2023-08": 1,
   "2023-09": 1,
   "2023-10": 2,
   "2023-12": 2,
   "2024-01": 2,
   "2024-04": 2,
   "2024-05": 2,
   "2024-06": 1,
   "2024-08": 1,
   "2024-12": 1,
   "2025-01": 1,
   "2025-04": 1,
   "2025-06": 3,
   "2025-07": 1,
   "2025-08": 1,
   "2025-10": 2,
   "2025-12": 1
  },
  "tasa_mes": 0.89,
  "mag_max": 4.3,
  "mismo_parche": [
   {
    "utc": "2025-04-01 14:06",
    "local": "2025-04-01 11:06",
    "lat": -33.75,
    "lon": -70.093,
    "prof": 16,
    "mag": 2.7,
    "dist_km": 1.7
   },
   {
    "utc": "2025-06-10 18:52",
    "local": "2025-06-10 14:52",
    "lat": -33.754,
    "lon": -70.101,
    "prof": 15,
    "mag": 2.8,
    "dist_km": 0.8
   },
   {
    "utc": "2025-06-10 22:49",
    "local": "2025-06-10 18:49",
    "lat": -33.751,
    "lon": -70.108,
    "prof": 16,
    "mag": 2.5,
    "dist_km": 0.6
   },
   {
    "utc": "2025-08-31 21:34",
    "local": "2025-08-31 17:34",
    "lat": -33.742,
    "lon": -70.061,
    "prof": 13,
    "mag": 2.5,
    "dist_km": 4.7
   },
   {
    "utc": "2025-12-09 11:10",
    "local": "2025-12-09 08:10",
    "lat": -33.756,
    "lon": -70.11,
    "prof": 15,
    "mag": 2.5,
    "dist_km": 0.0
   }
  ],
  "dias_sin_pagina": 0
 },
 "historico": {
  "desde": "1953-07-31",
  "anios": 74,
  "n_M45": 31,
  "cada_anios_M45": 2.4,
  "n_M5": 13,
  "cada_anios_M5": 5.7,
  "eventos": [
   {
    "t": "1953-07-31",
    "lat": -34.25,
    "lon": -69.905,
    "prof": 15,
    "mag": 5.98,
    "dist_km": 58.1
   },
   {
    "t": "1958-08-28",
    "lat": -33.902,
    "lon": -70.125,
    "prof": 15,
    "mag": 5.56,
    "dist_km": 16.3
   },
   {
    "t": "1958-09-04",
    "lat": -33.832,
    "lon": -69.958,
    "prof": 15,
    "mag": 6.81,
    "dist_km": 16.4
   },
   {
    "t": "1966-01-15",
    "lat": -33.597,
    "lon": -70.092,
    "prof": 10,
    "mag": 5.22,
    "dist_km": 17.7
   },
   {
    "t": "1966-01-15",
    "lat": -33.496,
    "lon": -69.908,
    "prof": 10,
    "mag": 5.35,
    "dist_km": 34.4
   },
   {
    "t": "1966-02-03",
    "lat": -33.479,
    "lon": -70.04,
    "prof": 15,
    "mag": 5.17,
    "dist_km": 31.4
   },
   {
    "t": "1977-05-31",
    "lat": -33.738,
    "lon": -70.337,
    "prof": 10,
    "mag": 4.6,
    "dist_km": 21.1
   },
   {
    "t": "1978-01-25",
    "lat": -34.274,
    "lon": -70.475,
    "prof": 23,
    "mag": 4.8,
    "dist_km": 66.7
   },
   {
    "t": "1978-10-11",
    "lat": -34.287,
    "lon": -70.158,
    "prof": 10,
    "mag": 5.1,
    "dist_km": 59.2
   },
   {
    "t": "1980-10-18",
    "lat": -34.058,
    "lon": -70.384,
    "prof": 33,
    "mag": 4.5,
    "dist_km": 42.1
   },
   {
    "t": "1981-07-28",
    "lat": -34.162,
    "lon": -70.078,
    "prof": 10,
    "mag": 4.5,
    "dist_km": 45.3
   },
   {
    "t": "1981-12-14",
    "lat": -33.654,
    "lon": -70.44,
    "prof": 18.8,
    "mag": 5.1,
    "dist_km": 32.6
   },
   {
    "t": "1983-05-16",
    "lat": -34.116,
    "lon": -70.128,
    "prof": 6.2,
    "mag": 4.7,
    "dist_km": 40.1
   },
   {
    "t": "1985-12-26",
    "lat": -34.09,
    "lon": -70.062,
    "prof": 6.1,
    "mag": 5.3,
    "dist_km": 37.4
   },
   {
    "t": "1988-08-27",
    "lat": -33.899,
    "lon": -70.209,
    "prof": 10,
    "mag": 4.9,
    "dist_km": 18.4
   },
   {
    "t": "1989-07-22",
    "lat": -34.299,
    "lon": -70.258,
    "prof": 12.3,
    "mag": 4.9,
    "dist_km": 61.9
   },
   {
    "t": "1994-07-06",
    "lat": -34.18,
    "lon": -70.185,
    "prof": 10,
    "mag": 4.5,
    "dist_km": 47.7
   },
   {
    "t": "1994-11-16",
    "lat": -34.082,
    "lon": -70.046,
    "prof": 7.5,
    "mag": 5.1,
    "dist_km": 36.7
   },
   {
    "t": "1994-11-17",
    "lat": -34.103,
    "lon": -69.938,
    "prof": 5,
    "mag": 4.5,
    "dist_km": 41.7
   },
   {
    "t": "1994-12-09",
    "lat": -33.951,
    "lon": -70.168,
    "prof": 10,
    "mag": 4.8,
    "dist_km": 22.4
   },
   {
    "t": "1995-01-15",
    "lat": -34.015,
    "lon": -70.059,
    "prof": 5,
    "mag": 5.2,
    "dist_km": 29.2
   },
   {
    "t": "1995-06-12",
    "lat": -33.756,
    "lon": -70.331,
    "prof": 9.4,
    "mag": 5,
    "dist_km": 20.5
   },
   {
    "t": "1996-01-16",
    "lat": -33.782,
    "lon": -69.953,
    "prof": 5,
    "mag": 4.9,
    "dist_km": 14.8
   },
   {
    "t": "1999-06-15",
    "lat": -34.288,
    "lon": -70.15,
    "prof": 10,
    "mag": 4.5,
    "dist_km": 59.3
   },
   {
    "t": "2001-06-26",
    "lat": -33.791,
    "lon": -70.196,
    "prof": 5,
    "mag": 4.6,
    "dist_km": 8.9
   },
   {
    "t": "2004-09-12",
    "lat": -34.136,
    "lon": -70.015,
    "prof": 5,
    "mag": 5.4,
    "dist_km": 43.2
   },
   {
    "t": "2007-03-23",
    "lat": -34.163,
    "lon": -70.054,
    "prof": 20.2,
    "mag": 4.6,
    "dist_km": 45.6
   },
   {
    "t": "2009-10-25",
    "lat": -34.034,
    "lon": -70.171,
    "prof": 20.1,
    "mag": 4.5,
    "dist_km": 31.4
   },
   {
    "t": "2010-03-13",
    "lat": -34.137,
    "lon": -69.708,
    "prof": 25.7,
    "mag": 4.9,
    "dist_km": 56.3
   },
   {
    "t": "2017-08-14",
    "lat": -33.4329,
    "lon": -70.0688,
    "prof": 7.52,
    "mag": 4.5,
    "dist_km": 36.1
   },
   {
    "t": "2018-06-16",
    "lat": -33.993,
    "lon": -70.4918,
    "prof": 10,
    "mag": 4.9,
    "dist_km": 44.1
   }
  ],
  "n_profundos_excluidos": 46,
  "mayor_profundo": {
   "t": "2000-06-16",
   "lat": -33.877,
   "lon": -70.088,
   "prof": 120.2,
   "mag": 6.4,
   "tipo": "mwc"
  }
 },
 "ref1958": {
  "fecha": "1958-09-04",
  "hora_local": "17:52",
  "csn": "tres terremotos consecutivos de magnitudes 6,9, 6,7 y 6,8, hipocentros a menos de 20 km, fallamiento de rumbo sinestral en un plano casi vertical, intensidad máxima X en la zona epicentral, destrucción de la localidad minera El Volcán, cuatro muertos y docenas de heridos; alrededor de 10 sismos precursores y unas 90 réplicas con magnitud superior a 3,5",
  "usgs_principal": {
   "t": "1958-09-04",
   "lat": -33.83,
   "lon": -69.96,
   "prof": 15,
   "mag": 6.81
  },
  "usgs_precursor": {
   "t": "1958-08-28",
   "lat": -33.9,
   "lon": -70.12,
   "prof": 15,
   "mag": 5.56
  }
 },
 "lugares": {
  "San José de Maipo": [
   -33.64,
   -70.352
  ],
  "El Volcán": [
   -33.815,
   -70.183
  ],
  "Baños Morales": [
   -33.822,
   -70.063
  ],
  "Embalse El Yeso": [
   -33.665,
   -70.085
  ],
  "Los Chacayes": [
   -33.77,
   -70.16
  ],
  "Glaciar El Morado": [
   -33.75,
   -70.05
  ],
  "Santiago": [
   -33.438,
   -70.65
  ]
 },
 "distancias": {
  "San José de Maipo": 25.9,
  "El Volcán": 9.5,
  "Baños Morales": 8.5,
  "Embalse El Yeso": 10.3,
  "Los Chacayes": 4.9,
  "Glaciar El Morado": 5.5,
  "Santiago": 61.3,
  "1958 principal (USGS)": 16.1,
  "1958 precursor 28-ago (USGS)": 16.1
 },
 "fuentes": {
  "csn": "Centro Sismológico Nacional, U. de Chile — catálogo público diario (sismologia.cl), M≥2,5",
  "usgs": "USGS Earthquake Hazards Program, ComCat, M≥4,5 desde 1900",
  "emsc": "EMSC seismicportal.eu — consulta en vivo al abrir la página (agrega al CSN)"
 }
}