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341120 - 341130
(was 1402-12, 1402-13)
Centro de Monitoreo Vulcanológico y Sismológico de Chiapas
Centro de Investigación en Gestión de Riesgo y Cambio Climático
Universidad de Ciencias y Artes de Chipas (UNICACH)
Libramiento Norte Pte. #1150
Col. Lajas Maciel., C.P. 29039
Tuxtla Gutiérrez, Chiapas, Mexico

Telephone : + 55 961 604 6196
Telefax :
Scientist in Charge: Dra. Silvia Ramos Hernández
Email :

cvms@unicach.mx
cigercc@unicach.mx
silviaramosh@unicach.mx
Website : http://www.cmvs.chiapas.gob.mx/vulcanologia

 

Staff:
Dra. Silvia Ramos Hernández
Dr. Miguel Angel Alatorre Ibargüengoitia 
Lic. Juan L. Jon Selvas

Support Staff:
Arisai Velázquez Zaguilán 
Julio César Gómez Ovando
Saúl Alexis Gómez Vázquez 
Dorian Toledo Velázquez
Alejandro Oliva Macias
Orquidea Guadalupe Rodríguez
Maribel Galdámez 

Collaborating Institutions:
Servicio Sismológico Nacional e Instituto de Geofísica, Universidad Nacional Autónoma de México (UNAM, Mexico)
Centro Nacional de Prevención de Desastres (CENAPRED, Mexico)
Consejo Superior de Investigaciones Científicas (Spain)
Observatorio Vulcanológico de la Universidad de Colima (UCOL, Mexico)

 

Description:

The University of Sciences and Arts of Chiapas (Universidad de Ciencias y Artes de Chiapas, UNICACH) is in charge of the monitoring of El Chichón and Tacaná volcanoes. In 2004 UNICACH signed a collaboration agreement for the seismic and volcanic monitoring for disaster prevention with the Secretary of Security and Civil Protection, the Subsecretary of Civil Protection of the Government of Chiapas and the National Center for Disaster Prevention (CENAPRED). As a result of this agreement, el Centro de Monitoreo Vulcanológico y Sismológico de Chiapas was created at UNICACH. Since then, all these institutions have collaborated to develop the monitoring network of El Chichón and Tacaná volcanoes.

 El monitoreo del Volcán Chichón y Tacaná, es realizado en la Universidad de Ciencias y Artes de Chiapas (UNICACH). En el año 2004 la UNICACH firmó un convenio de colaboración en materia de monitoreo volcánico y sísmico para la prevención de desastres naturales con la Secretaría de Seguridad y Protección Ciudadana, la Subsecretaria de Protección Civil del Gobierno del Estado y el Centro Nacional de Prevención de Desastres, acuerdo que derivó en la formación del Centro de Monitoreo Vulcanológico-Sismológico de Chiapas en la UNICACH. Desde entonces se han realizado esfuerzos de colaboración entre estas instituciones para el fortalecimiento de la Red de Monitoreo de los Volcanes Chichón y Tacaná.


El  Chichón volcano

Seismology
The seismic network at El Chichón volcano is composed by four telemetered broadband stations:

Viejo Volcán station (VVCH)
Municipio: Chapultenango, Chiapas
Latitude: 17° 21´53.50” N
Longitude: 93° 13’ 23.40” O
Altitude: 1037m

Francisco León station (FLCH)
Municipio: Francisco León, Chiapas
Latitude: 17° 17´49.00” N
Longitude: 93° 17’ 18.00” O
Altitude: 900 m

Nicapa station (NCCH)
Municipio: Pichucalco, Chiapas
Latitude: 17° 23´49.40” N
Longitude: 93° 13’ 29.40” O
Altitude: 609 m

These broadband stations were installed in March 2012 and the signals are received in real time at Centro de Monitoreo Vulcanológico y Sismológico de Chiapas in Tuxtla Gutiérrez, Chiapas.

Geochemistry
The geochemistry monitoring at El Chichón volcano has been conducted constantly and permanently. The Crater Lake is sampled three or four times per year including pH and temperature measurements. Chemical analyses in the laboratory are performed by atomic absorption spectrophotometry at the Geochemistry Laboratory of the Institute of Geophysics, UNAM and with ICP equipment at the Laboratory of Earth Sciences and Environment, UNICACH. Chemical analysis includes sulfates, chloride, fluoride, boron, carbonate, bicarbonate, calcium, magnesium, sodium and iron.

Others:
Telemetered IP camera.
GPS station at Viejo Volcán (VVCH).
Meteorological station (rain gauge, temperature, humidity and atmospheric pressure).

Tacaná volcano

Seismology
The seismic network at Tacaná volcano is composed by four telemetered broadband stations:

Tapachula station (CHLP)
Municipio: Tapachula, Chiapas
Latitude: 17° 23´49.40” N
Longitude: 93° 13’ 29.40” O
Altitude: 609 m

Chiquihuites station (CHPA)
Municipio: Chiquihuites, Chiapas
Latitude: 15° 5'35.49"N
Longitude: 92° 6'1.45"O
Altitude: 2,058 m

La Patria station (CHCH)
Municipio: Tapachula, Chiapas
Latitude: 15° 6'48.91"N
Longitude: 92°13'58.92"O
Altitude: 1,121 m

Pavencul station (CHCI)
Municipio: Pavencul, Chiapas
Latitude: 15°12'8.20"N
Longitude: 92°10'58.63" O
Altitude: 1,928 m

These broadband stations were installed in March 2012 replacing short-period stations and the signals are received in real time at Centro de Monitoreo Vulcanológico y Sismológico de Chiapas in Tuxtla Gutiérrez, Chiapas.

 Others:
 Meteorological station (rain gauge, temperature, humidity and atmospheric pressure).

Information updated: February 2014

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