Search

Latest News

Volcanic Activity Report

Random Picture

Return to: Directory Table of Contents WOVO Home Page


 
352001 - 353807
(was 1502, 1503)

Instituto Geofisico - Escuela Politecnica Nacional
Casilla 17-01-2759
Quito
Equador


Telephone : (591)2 - 2225655, - 2225627
Telefax : (593) 2 - 2567847
Contact: Hugo Yepes, M.Sc
Email : hyepes@igepn.edu.ec
geofisico@igepn.edu.ec
Website :
http://www.igepn.edu.ec

 STAFF:

Seismology

Volcanology 

Electronics

·          Hugo Yepes

·          Mario Ruiz

·          Alexandra Alvarado

·          Mónica Segovia

·          Patricio Ramón

·          José Egred

       - Historic Seismology

·          Pablo Samaniego

·          Minard Hall

·          Patricia Mothes

·          Daniel Andrade

·          Andrés Ruiz

·          Diego Barba

·          David Rivero

·          Wilson Enríquez

·          Vinicio Cáceres

·          Richard Jaramillo

·          Mayra Vaca

·          Christian Cisneros

·          Omar Marcillo

·          Eddy Pinajota

·          Etewaldo Jua

Volcanic  Seismology

Computation

Secretary

·          Alexander García

·          Indira Molina

·          Guillermo Viracucha

·          Liliana Troncoso

·          Jorge Aguilar

·          Marisol León

·          Edwin Peralta

 

·          Marcela de Robalino

·          Sandra Jiménez

·          M. Gabriela Jácome

 

Messengers

·          Carlos Ayol

·          Servilio Riofrio

Scientists that collaborate with the Instituto Geofisico:

 

·       Bernardo Beate – Volcanology

·       Arturo Egüez – Neotectonics

·       Jean Philippe Eissen -- Volcanology (IRD)

·       Jean Luc LePennec --  Volcanology  (IRD)

·       Hiro Kumagai (JICA)  -- Volcanic Seismology

·       Franz  Boker (BGR) --- Thermal Images

 

MONITORING SYSTEMS, VOLCANIC HAZARD MAPS, AND VOLCANIC STUDIES

1.   COTOPAXI Volcano

·       4 short period vertical seismic stations with telemetry, installed in 1977 (1) and 1987-88 (3).

·       2 short period, 3 component seismic stations installed in 2001, 2002.

·       a temporary seismic array with 8 telemetered and 11 portable seismic stations (1 or 3 components) was installed in 1996 by ORSTOM (now IRD) for a 6-8 months seismic survey telemetered.

·       2 telemetered tiltmeter stations installed in 1977 (NASA), 3 others in 1988, and 2 others in 2001 with VDAP.

·       3 dry tilt stations installed in 1975  and 3 others in 1987.

2.   GUAGUA PICHINCHA Volcano

·      1 short period vertical seismic station installed in 1981

·       6 short period vertical seismic stations with telemetry installed in 1988-1993 (3 temporarily)

·       2 short period vertical 3 components stations installed in 1997, 2000

·        WWSSN station with 3 short period and 3 long period seismographs installed in 1989

·       9 dry tilt stations established in 1981 and 1987 (with VDAP)

·       14 EDM baselines installed on E and SE sides and inside caldera (1987-88 with VDAP);  on  W and N sides in 1998.

·       3 telemetered tiltmeter stations  in 1988

·       Fumaroles and hot springs geochemistry and COSPEC analyses (1998à)

 

3. TUNGURAHUA  Volcano

·       Two station telemetered permanent DOAS SO2 monitoring on W side

·       8 short period vertical seismographs with telemetry installed in 1988, 1992, 1999

·       1 telemetered, short period, 3 component seismograph in 2000

·       hot springs chemistry

·       11 EDM baselines established in 1990 and 1991; others in 1999-2000.

·       2 telemetered electronic tiltmeters installed in early 1992

·       4 bench marks for GPS established by USGS/VDAP (1993)

·       1 electronic telemetered rain gauge

·       1 telemetered broad band seismograph  (2003)

·       SO2 monitoring by COSPEC

·       2 lahar-detection stations (AFM); telemetered, (2000)

·       Detailed tephrochronologic, petrographic, and geochemical studies.

·       Map of potential volcanic hazards: 1:50,000 (1988), new version in 2002

·       Probable eruption scenarios: 1991, 1999, 2003.

4.  UILOTOA Volcano

·       1 short period vertical seismic station with telemetry installed in 1989

·       Detailed tephrochronological, geologic mapping, chemical studies

·       Occasional sampling of lake waters to monitor concentrations of CO2

·       Map of potential volcanic hazards (1:50,000) published in 1991

·       Thermal imagery

5.  CUICOCHA Volcano

·       1 short period vertical seismic station with telemetry installed in 1988

·       11 EDM baselines established in 1988 and 1989-90

·       Detailed tephrochronological, mapping, chemical studies (1989)

·       Occasional sampling of deep lake waters to monitor concentrations of CO2

·       Occasional sampling and analyses of gases  emitted by lake

·       Map of potential volcanic hazards (1:50,000) published in 1988

·       Brief evaluation of physical impact of lake breakout on nearby towns

·       Thermal imagery

·       IRIS broad band seismic station (OTAV) installed 15 km to W (2000)

6.   CHIMBORAZO Volcano

·       Map of potential volcanic hazards, 1:50,000 published in 1990

·       Detailed tephrochronological studies; INECEL (1989); IGEPN Thesis (2005)

·       Reconnaissance petrographic and geochemical studies: 1980-1989, IGEPN Thesis

·       1 short period, vertical telemetered seismic station:  1989-2002

·       Thermal imagery

·       Glacier and ice stratigraphy studies

7.    ANTISANA Volcano

·       1 short period vertical seismic station with telemetry installed in 1991

·       Detailed tephrochronologic, geologic mapping, chemical studies

·       Map of potential volcanic hazards: 1:50,000 (1989)

·       Thermal imagery

·       Glacier and ice stratigraphy studies

8.    EL REVENTADOR  Volcano

·       4 short period vertical seismic stations with telemetry operated in 1991 to 1993 (INECEL)

·       Detailed tephrochronologic, petrographic, and geochemical studies: INECEL (1988),  IGEPN (2003-2005)

·       Map of potential volcanic hazards: INECEL (1988)

·       4 short period vertical seismic stations with telemetry since 2002

·       4 lahar-detection stations (AFM) operated in 2003

·       Thermal imagery

·       Occasional  SO2 monitoring with COSPEC

9.  IMBABURA Volcano

·       Geologic mapping (1:25,000), petrographic, and geochemical studies: IGEPN/IRD (2002-2005)

·       Map of potential volcanic hazards: 1:50,000 published in 1991, new version in 2005.

·       3 broad band seismographs (to be installed in 2005)

·       IRIS broad band seismic station (OTAV) installed 25 km to NW (2000)

10.  PULULAHUA Volcano

·       Geologic mapping (1:25,000), petrographic, and      geochemical studies: IGEPN/IRD (2002-2005)

·       Tephrochronologic studies: IGEPN  1987-1990

·       Map of potential volcanic hazards: 1:50,000      (1988)

·       Thermal imagery

11.  CAYAMBE Volcano

·       1 short period vertical seismograph with telemetry installed in 1988, 2 others in 2003;

·       3 others are planned for installation in 2005.

·       1 short period vertical 3 component seismic station  in 2000

·       Detailed tephrochronologic, petrographic, and geochemical studies in 1998 and in progress

·       Map of potential volcanic hazards: 1:50,000 (2002)

·       Thermal imagery

·       2 EDM lines established in 1998

12.  MOJANDA Volcano

·       Tephrochronologic, petrographic, and geochemical studies: IGEPN/IRD in 1997-98

13.  NINAHUILCA Volcano

·       Geologic map (1:25,000), petrologic, and chemical studies: 1992; others studies in progress.

·       Map of potential volcanic hazards: 1:50,000 (1992)

·       Thermal imagery

14.  CERRO NEGRO DE MAYASQUER Volcano

·       1 short period vertical seismic station with telemetry installed in March 1992

·       reconnaissance geologic studies:  INGEOMINAS

15.  SOCHE Volcano

·       1 short period vertical seismic station with telemetry installed in March 1993

·       Reconnaissance geologic and chemical studies: IGEPN/IRD 

16.  CALDERA CHALUPAS Volcano

 

·       Geological mapping and tephrochronological studies (INECEL, 1989)

·       Petrologic and chemical studies (Hammersley, 2003)

·       1 short period vertical seismic station with telemetry installed in 1990

17.  SANGAY Volcano

·       Tephrochronologic, petrologic, geochemical studies: 1996-1999

·       Seismological and sound studies in progress (2003 - 2005)

·       Thermal Imagery

The IGEPN has many projects and investigations in progress with IRD, US Geological Survey, JICA, CANADA, Universities in Miami, North Carolina, New Hampshire, Idaho, North Michigan Technological, Penn State, among others.

  Information updated  January  2005;