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Estero Las Damas R ío Ñ u b l e Río Ñuble Río Ñuble E st ero Bull ileo E st e ro Lara R í o Los Sa uces R í o G onzále z Rí o S a li t r e E st e ro L as D i uc a s E s t er o d e L a s T ra gedi as E s t ero L os G uind o s E s ter o L a s Pie dr a s Estero Pe de m ales R í o P e rq u ilauqu én R í o C hill án Rí o Ch illán Ester o P ierna Blanca E st ero S an Jo s é Río Chil lán Estero Renega do E st ero Ch aca y E stero S an V icen te Es tero El R ucio E s ter o La Capilla Estero L a Isla Es tero Las Raíc es Río Diguillín Río Re lbún R ío D iguillí n Estero R e nega d o R í o S a n ta G e r t rud i s R ío Sa nta Gertrudis E st ero Las Cab r a s Rí o Ga to Estero Cajón Nu ev o Río Gato E stero Las C hap a s Río La s Mi na s Es tero El Q uebrado Rí o Ñ u b l e R í o Ñ u b l e R í o Ñ u b le Est ero d e l os T ábanos E s te ro d el L eó n R ío d e La s Tr u ch a s E s te r o d e La Bate a Río La s Tru ch as Es te ro de L os R a b o n e s Este r o d e Ch u reo Río N i blinto Río Niblinto Laguna Añil Laguna La Plata E s t e r o P e rdic e s La Laguna Es ter o La s Cabr as Estero Las Mulas E s tero Sha n gri- La E ste ro Pel a d i l l a s Estero Re cin to Embalse proyectad o Puni lla Embalse Coihueco Laguna Escondida Las Heras Bureo Norte Llanos Granja Guacho Chacay Termas de Chillán Huemul de Cato de Cato Pullami Chabela Vega de Saldías Cantera Isla de Oriente La Isla Chacayal Bullileo El Alico Niblinto Chacayal Calabozo La Junta Relbunco Chacayal Chacayes El Rosal Pantano El Rodeo Cordoñes San Juan Zapallar El Peumo Carrizal El Macal La Leona El Mañío Sanjinés Atacalco Rucalemu Marchant El Recuerdo El Peral El Carro San José San Ramón El Parrón El Coihue Cerrillos Las Lumas El Carmen Tanilvoro La Piedra El Roble Esperanza El Carmen Los Hoyos El Cariño La Cuesta El Puquio Cerrillos Pascualas El Maitén Los Pinos El Trumao Las Lomas El Laurel Más Arriba San Isidro Bustamante Las Pitras Santa Olga El Caracol Los Olivos La Pollera La Leonera Los Peumos Los Filos Paso Ancho Los Coigos Los Valles Bellavista El Colihue Los Olivos Trellencas Las Cruces La Leonera La Envidia San Rafael El Rosario Lo Vergara La Envidia Tregualemo La Patagua Las Quilas El Quillay Los Riscos San Miguel Tregualemo El Quillay La Capilla El Manzano Pangalillo San Daniel Las Pampas El Rosario La Reforma San Antonio San Antonio Las Quintas Las Juntas Loma Bonita El Tránsito Santa Luisa Santa Adela San Antonio Los Lingues San Antonio San Vicente Los Molinos El Recuerdo Las Trancas Santa Elena Bella Flor Buenos Aires Santa Isabel Las Pataguas Los Guardias Los Puquios San Valentín Santa Isabel Santa Teresa El Pentágono El Ciruelito Los Lleuques Los Peñascos Las Comadres Los Pirineos Casa de Lata Los Castaños El Eucalipto Los Cipreses Las Mercedes Unión de Cato La Mortandad Entre Piernas Paso Colorado Los Avellanos Macal Poniente Primeras Aguas Vegas de Nieto Agua del Ganso Coleal Central Potrero Grande Salto San José Casas Quemadas Las Vertientes Vegas de Saldía Isla San Vicente Cantera Esperanza Salto Los Pellines San Fabián de Alico Las Minas del Prado Cueva Los Pincheiras Relbunco De Santa Rosa El Carmen de Bustamante COMPLEJO VOLCÁNICO NEVADOS DE CHILLÁN A R G E N T I N A A R G E N T I N A R E G I Ó N D E L M A U LE R E GIÓN D E L B I O B ÍO Volcán Viejo Volcán Nuevo Volcán Arrau Volcán Chillán Volcán Baños Volcán Shangri-La Volcán Pichicalfú Volcán Calfú Volcán Las Lagunillas Volcán Parador Volcán Cerro Blanco Volcán Gato Volcán Santa Gertrudis Volcán Pata de Perro Valle Hermoso Shangri-La Recinto Volcán Colcura Cráter Chudcún Volcán Sebastián Valle de Aguas Calientes Valle de Las Águilas Las Veguillas Punilla Fundo Los Pellines Fundo El Plan Valle de Las Trancas C o m una de C o ih u e c o Co m u n a d e Pem u c o Co m u na de El Ca rmen C o m u n a d e Pinto C omu n a d e E l C a rm en Comu n a de Pi nto Comuna de San Fa b i án C o m u n a de San F a bián C o mu n a de C o ih u ec o Co m una d e San Ignacio C o m un a de S an F a bi á n Com u na de P in to Com u na de C oihue c o Co m un a d e P into 1 0 % 25 % 50% Reserva Nacional Huemules de Niblinto Reserva Nacional Ñuble Reserva Nacional Ñuble Reserva Nacional Ñuble N-55 N-555 N-627 N-55 N-31 N-31 50' 50' 40' 40' 30' 30' 20' 20' 10' 10' 40' 40' 50' 50' 71°51' 248 km 248 km 256 256 264 264 272 272 280 280 288 288 296 296 304 304 312 km 312 km 5 904 km 5 904 km 5 912 5 912 5 920 5 920 5 928 5 928 5 936 5 936 5 944 5 944 5 952 km 5 952 km 71°06' 36°32' 37°00' 71°06' 71°51' 36°32' 37°00' PELIGROS DEL COMPLEJO VOLCÁNICO NEVADOS DE CHILLÁN ESCALA 1:75.000 LEYENDA Muy Alto Peligro. Zona susceptible de ser afectada por la caída de piroclastos balísticos (>6,4 cm de diámetro) dentro de un radio de aproximadamente 4 km en torno a los principales centros de emisión. Muy Alto Peligro. Zona susceptible de ser afectada por erupciones de magnitud similar a las acontecidas en el período histórico. Incluye la ocurrencia de lavas y flujos piroclásticos con alcances inferiores a 4 km, además de la presencia de flujos laháricos de bajo volumen (hasta 1 millón de m 3 ), con un alcance inferior a 25 km en los cauces que provienen de los edificios volcánicos principales. Alto Peligro. Zona susceptible de ser afectada por erupciones de magnitud similar a las mayores registradas en los últimos 3 mil años. Incluye la ocurrencia de lavas y flujos piroclásticos con alcances inferiores a 8 km, y flujos laháricos de volumen moderado (hasta 5 millones de m 3 ), con distancias de hasta 35 km por los cauces que provienen de los edificios volcánicos principales. Moderado Peligro: Zona susceptible de ser afectada por erupciones de magnitud similar a las mayores registradas en los últimos 12 mil años. Incluye la ocurrencia de lavas y flujos piroclásticos con alcances de hasta 12 km y flujos laháricos de alto volumen (hasta 20 millones de m 3 ), los que alcanzarían hasta 45 km de distancia por los principales cauces. Bajo Peligro. Sector susceptible de ser afectado por la ocurrencia de lahares secundarios, gatillados por lluvias intensas que removilizan piroclastos acumulados en las cabeceras de los valles del sector oriental del complejo volcánico, en la región de dispersión atmosférica más probable luego de erupciones asociadas con columnas eruptivas sobre 10 km de altura. Envolvente del área con probabilidad anual de acumulación de, al menos, 10 cm de material piroclástico de caída, dado un escenario de erupción pliniana mayor (IEV:6). 10% LEYENDA Zonificación de peligro asociado a caída piroclástica en función de un escenario eruptivo de índice de explosividad IEV 6. Estimación basada en simulaciones numéricas y condiciones meteorológicas estacionales representativas de la región. Se considera un umbral de acumulación de al menos 1 cm de espesor. Alto Peligro. Área con más de 50% de probabilidad de acumulación superior a 1 cm de material piroclástico de caída en cada estación. Moderado Peligro. Área con entre el 25 y 50% de probabilidad de acumulación superior a 1 cm de material piroclástico de caída en cada estación. Bajo Peligro. Área con entre el 12,5 y 25% de probabilidad de acumulación superior a 1 cm de material piroclástico de caída en cada estación. Envolvente del área con más de 50% de probabilidad de acumulación de 10 cm de material piroclástico de caída en cada estación. Referencia bibliográfica Orozco, G.; Jara, G.; Bertin, D. 2016. Peligros del Complejo Volcánico Nevados de Chillán, Región del Biobío. Servicio Nacional de Geología y Minería, Carta Geológica de Chile, Serie Geología Ambiental 28: 34 p., 1 mapa escala 1:75.000. Santiago. ISSN 0717-7305 Inscripción No. 273.300 © Servicio Nacional de Geología y Minería. Av. Santa María 0104, Casilla 10465, Santiago, Chile. Director Nacional (S): Mario Pereira A. Subdirector Nacional de Geología (S): Omar Cortés C. Derechos reservados, prohibida su reproducción. Edición Jefe Comité Editor: Renate Wall Z. Comité Editor: Rodrigo Carrasco O., Aníbal Gajardo C., Jorge Muñoz B., Andrew Tomlinson. Editores: Carolina Rodríguez S., Carolina Silva P., Ramón Arturo Cerda G. Jefe Unidad de Publicaciones: Soraya Amar N. Jefe Unidad de Sistemas de Información Geológica (USIG): Constanza Casanova de L. Base topográfica Cartas escala 1:50.000, Coihueco, San Fabián de Alico, Lara, Pichirrincón, San Miguel, Recinto, Nevados de Chillán y Río Ñuble del Instituto Geográfico Militar (Chile), modificadas; ASTER Global DEM versión 2 del Ministerio de Economía, Comercio e Industria (METI) de Japón y la Agencia Espacial Norteamericana (NASA); imágenes Bing Maps de Microsoft. Referencia geodésica Proyección Universal Transversal de Mercator (UTM), Zona 19S, SIRGAS. Apoyo científico y técnico Producción digital: Rodrigo Calderón B., Unidad de Geología y Peligros Volcánicos del Servicio Nacional de Geología y Minería. Apoyo financiero Fondos Sectoriales del Servicio Nacional de Geología y Minería, a través de la Red Nacional de Vigilancia Volcánica (RNVV) del Servicio Nacional de Geología y Minería. "Autorizada su circulación por Resolución N° 153 del 15.12.16 de la Dirección Nacional de Fronteras y Límites del Estado. La edición y circulación de mapas, cartas geográficas u otros impresos y documentos que se refieran o relacionen con los límites y fronteras de Chile, no comprometen, en modo alguno, al Estado de Chile, de acuerdo con el Art. 2°, letra g) del DFL N° 83 de 1979 del Ministerio de Relaciones Exteriores". NO RT E M AG NÉT I C O DECLINACIÓN MAGNÉTICA DICIEMBRE-2016 4º49`O NORTE ASTRONÓMICO Equidistancia curvas de nivel: 250 m ESCALA 1:75.000 2 km 2.000 m 0 SERVICIO NACIONAL DE GEOLOGÍA Y MINERÍA SIMBOLOGÍA ( / 5 Complejo Volcánico Nevados de Chillán Volcán activo Capital comunal Carretera Panamericana Camino Capital regional Límite regional Cuerpo de agua Límite internacional Capital provincial Ç ! P ! H Hoja San Carlos, escala 1:250.000 Peligros del Complejo Volcánico Nevados de Chillán, escala 1:75.000 MAPA DE UBICACIÓN 73º00' N O C É A N O P A C Í F I C O ARGEN T IN A REGIÓN DEL BIOBÍO Región de La Araucanía Río Bi obío Los Ángeles Chillán Tomé Lebu R í o La ja 36º00' 38º00' CONCEPCIÓN 5 71º00' 56º 43º 32º 19º A R G E N T I N A * O C É A N O P A C Í F I C O 72º 68º BOLI VI A CHILE PE RÚ 500 km 0 90º 53º POLO SUR TERRITORIO CHILENO ANTÁRTICO Santiago Volcán Antuco Volcán Copahue Volcán Callaqui Volcán Tolhuaca Volcán Lonquimay 80 km 0 Volcán Nevado de Longaví Complejo Volcánico Nevados de Chillán Región del Maule Volcán Laguna del Maule TRABAJOS ANTERIORES Lara et al. 2011 (1:2.000.000) 50' 30' 36º32' 37º00' 71º06' 40' 40' 20' 71°51' 10' 50' PARRAL LOS CRISTALES SAN CARLOS EMBALSE DIGUA 37°00' 36°00' 72°00' 45' 30' 15' 45' ACHIBUENO NEVADO DE LONGAVÍ COIHUECO SAN FABIÁN DE ALÍCO LARA SAN MIGUEL RECINTO NEVADOS DE CHILLÁN BAÑOS LONGAVÍ 30' 15' PELIGROS DEL COMPLEJO VOLCÁNICO NEVADOS DE CHILLÁN, escala 1:75.000 Cartas Catálogo IGM, escala 1:50.000 CUADRO DE SITUACIÓN EN HOJA SAN CARLOS 71°00' 45' 30' 70°15' LAGUNA DEL MAULE LAGUNA SIN PUERTO RÍO MELADO BULLILEO LAGUNA DEL DIAL PASO VALDÉS RÍO ÑUBLE PICHIRRINCÓN SUBDIRECCIÓN NACIONAL DE GEOLOGÍA ISSN 0717-7305 2016 90° TERRITORIO CHILENO ANTÁRTICO 53° POLO SUR bb"ACUERDO ENTRE LA REPÚBLICA DE CHILE Y LA REPÚBLICA ARGENTINA PARA PRECISAR EL RECORRIDO DEL LÍMITE DESDE EL MONTE FITZ ROY HASTA EL CERRO DAUDET". (Buenos Aires, 16 de diciembre de 1998). PELIGROS DEL COMPLEJO VOLCÁNICO NEVADOS DE CHILLÁN REGIÓN DEL BIOBÍO Gabriel Orozco L. Gabriela Jara A. Daniel Bertin U. Escala 1:75.000 SERIE GEOLOGÍA AMBIENTAL CARTA GEOLÓGICA DE CHILE No. 28 FUENTE DE LA INFORMACIÓN G. Orozco, G. Jara y D. Bertin (1:75.000) 50' 30' 36º32' 37º00' 71º06' 40' 40' 20' 71°51' 10' 50' PELIGRO REGIONAL DE ACUMULACIÓN DE PIROCLASTOS DE CAÍDA DEL COMPLEJO VOLCÁNICO NEVADOS DE CHILLÁN ESCENARIO: ERUPCIÓN PLINIANA (IEV 6) ESCALA 1:3.000.000 Mar - Abr - May Otoño Dic - Ene - Feb Verano Jun - Jul - Ago Invierno Sep - Oct - Nov Primavera 36°00' 71°00' 72°00' 37°00' 36°00' 71°00' 72°00' 37°00' 36°00' 71°00' 72°00' 37°00' 36°00' 71°00' 72°00' 37°00' ! TALCA Antuco Huepil Yungay Pemuco Yumbel Bulnes Parral La Laja Mulchén CHILLÁN LINARES Quillaco Quilleco Coihueco Quirihue Curanipe El Carmen Cauquenes Nacimiento San Carlos LOS ÁNGELES San Ignacio Constitución San Fabián de Alico San Gregorio de Ñiquén Antuco Tatara-San Pedro Nevado de Longaví Descabezado Grande Nevados de Chillán Cabrero Quillón San Rosendo Santa Bárbara Chillán Viejo Cerro del Medio Laguna del Maule Descabezado Chico Cerro Azul-Quizapu Planchón-Peteroa Pinto Región del Maule Región del Biobío N 0 50 km A R G E NT I N A ( / 5 ( / 5 Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç ! P ! H Ç ! H ! H ! H ! TALCA Antuco Huepil Yungay Pemuco Yumbel Bulnes Parral La Laja Mulchén CHILLÁN LINARES Quillaco Quilleco Coihueco Quirihue Curanipe El Carmen Cauquenes Nacimiento San Carlos LOS ÁNGELES San Ignacio Constitución San Fabián de Alico San Gregorio de Ñiquén Antuco Tatara-San Pedro Nevado de Longaví Descabezado Grande Nevados de Chillán Cabrero Quillón San Rosendo Santa Bárbara Chillán Viejo Laguna del Maule Descabezado Chico Planchón-Peteroa Pinto Región del Maule Región del Biobío N 0 50 km A R G E NT I N A ( / 5 ( / 5 Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç ! P ! H Ç ! H ! H ! H ! TALCA Antuco Huepil Yungay Pemuco Yumbel Bulnes Parral La Laja Mulchén CHILLÁN LINARES Quillaco Quilleco Coihueco Quirihue Curanipe El Carmen Cauquenes Nacimiento San Carlos LOS ÁNGELES San Ignacio Constitución San Fabián de Alico San Gregorio de Ñiquén Antuco Tatara-San Pedro Nevado de Longaví Descabezado Grande Nevados de Chillán Cabrero Quillón San Rosendo Santa Bárbara Chillán Viejo Laguna del Maule Descabezado Chico Planchón-Peteroa Pinto Región del Maule Región del Biobío N 0 50 km A R G E NT I N A ( / 5 ( / 5 Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç ! P ! H Ç ! H ! H ! H ! TALCA Antuco Huepil Yungay Pemuco Yumbel Bulnes Parral La Laja Mulchén CHILLÁN LINARES Quillaco Quilleco Coihueco Quirihue Curanipe El Carmen Cauquenes Nacimiento San Carlos LOS ÁNGELES San Ignacio Constitución San Fabián de Alico San Gregorio de Ñiquén Antuco Tatara-San Pedro Nevado de Longaví Descabezado Grande Nevados de Chillán Cabrero Quillón San Rosendo Santa Bárbara Chillán Viejo Laguna del Maule Descabezado Chico Planchón-Peteroa Pinto Región del Maule Región del Biobío N 0 50 km A R G E NT I N A ( / 5 ( / 5 Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç ! P ! H Ç ! H ! H ! H Cerro del Medio Cerro Azul-Quizapu Cerro del Medio Cerro Azul-Quizapu Cerro del Medio Cerro Azul-Quizapu Región de La Araucanía Región de La Araucanía Región de La Araucanía Región de La Araucanía Cráter volcánico Centro de emisión Límite de Área Silvestre Protegida Andarivel Edificación Fuente de agua termal Lago, laguna Glaciar Embalse Río o estero Camino pavimentado Camino sin pavimento Curva de nivel Cota (m s.n.m.) Límite comunal Límite regional Límite internacional Centro Urbano SIMBOLOGÍA ¡ 1500 " y € "