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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 : | |
Website : | https://monitoreo.unicach.mx/ |
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 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.
Information updated: February 2014
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