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Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
Volcanology of Costa Rica - NSTA 2010
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Volcanology of Costa Rica - NSTA 2010

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This presentation was offered by Carlos Jose Ramirez on behalf of Holbrook Travel's NSTA expedition to Costa Rica for educators July 2010. The presentation echoed a hands-on visit to seismology …

This presentation was offered by Carlos Jose Ramirez on behalf of Holbrook Travel's NSTA expedition to Costa Rica for educators July 2010. The presentation echoed a hands-on visit to seismology monitoring devices on Arenal Volcano.

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  • 1. GEOLOGÍA, VOLCANOLOGÍA Y SISMOLOGÍA Red Sismológica National (UCR-ICE) Universidad de Costa Rica (UCR) Instituto Costarricense de Electricidad (ICE) Volcanólogos Carlos José Ramirez
  • 2.  
  • 3.  
  • 4.  
  • 5.  
  • 6.  
  • 7.  
  • 8.  
  • 9.  
  • 10.  
  • 11.  
  • 12.  
  • 13.  
  • 14. Seismic cross-sections
  • 15. Historic earthquakes M > 5
  • 16.  
  • 17.  
  • 18.  
  • 19.  
  • 20.  
  • 21.  
  • 22. Turrialba Iraz ú Po ás Barva Arenal Miravalles Rinc ón de la Vieja Subduction 85 mm/yr Tenorio Subduction 65 mm/yr
  • 23.  
  • 24.  
  • 25.
    • • First Volcanological Observatory on Central America (1964)
    • • Central America School of Geology, UCR (1970)
    • • Center for Geophysics Reseach, CIGEFI (1979)
    • • National Seismological Network (ICE-UCR, 1974)
  • 26.  
  • 27. Seismometer
  • 28. TURRIALBA VOLCANO 3339 m Altitude 3 craters 2 active Last eruption 1864-66
  • 29. CRATERS AT TURRIALBA VOLCANO Cr áter Noreste
  • 30. Fumaroles
  • 31. Carrying Equipment on the Field Ooh Ooh! Mass Spectrometer
  • 32. New fumarolic activity at southeast crater
  • 33. Plume of gases
  • 34.  
  • 35. IRAZ Ú VOLCANO 3342 m
  • 36. FUMAROLES 90 °C  Iraz ú Crater Diego de la Haya Crater Main Crater Diameter ± 1000 m Deep ± 250 m Lagoon Diameter ± 150 m Lagoon 14 to 20 m depth pH 3.5 to 4.5, 18 to 25 °C
  • 37. Northeast fumaroles ±90 ºC
  • 38. Seismic and Faults around Iraz ú and Turrialba Volcanoes
  • 39. 1960 Similar Changes 3 years before eruption January , 2003 Febraury 9 , 2003
  • 40. 1963-65 Eruptions Time
  • 41. Irazú Volcano (1964) Ash Collectors
  • 42. Barva Lagoon Danta Lagoon Copey Lagoon BARVA VOLCANIC COMPLEX 3 Lagoons
  • 43. Laguna Copey
  • 44. Barva Crater Diameter ± 1 45m pH 4, ± 19 °C
  • 45. Diameter ± 1 00m pH 4, ± 18 °C DANTA CRATER
  • 46. PO ÁS CRATER BOTOS CRATER PLUME AFFECTED AREA PO ÁS VOLCANO > 500.000 visitors / year Parking Lot
  • 47. Crater Diameter ± 1320 m Deep ± 350 m Lagoon Diameter ± 350 m Lagoon 40 to 55 m depth pH 0, 25 to 48 º C surface
  • 48. Dome 95 °C
  • 49.  
  • 50. Eruption period 1984-89
  • 51. Red Sulphur >220 ºC, pH 0 Fumarole Pipe Pyroclastic Sulphur from Pipes BEFORE NOW
  • 52. Poas Pele Hair
  • 53. Sulphur Flow
  • 54. Sulphur Flow
  • 55. Lake Sampling Change of color during the seasons Emerald Rain and sediment Turquoise
  • 56.  
  • 57.  
  • 58.  
  • 59.  
  • 60.  
  • 61.  
  • 62.  
  • 63.  
  • 64. Tepha Deposits
  • 65.  
  • 66.  
  • 67.  
  • 68. Eruption 17 – 25 may 1953 Elaboration of Hazard Maps
  • 69.  
  • 70. Botos Lagoon 14 m depth 12 °C Temperature Diving for collect Gas Sampling Fumaroles Area
  • 71. ARENAL VOLCANO 1100 m Height 37 years continuous activity (1968-2005) One of the 16 most active volcanoes in the world
  • 72. Historic pictures from Arenal 1968 Destroyed town of Pueblo Nuevo 78 death people Bomb Impact craters
  • 73.
    • 1968 Eruption
    • Arenal Volcano
    • (92 Death)
  • 74. Magma Chamber >10 km down Crater C Crater D
  • 75. Fortuna town 6 km from the volcano 10.000 people
  • 76.  
  • 77. ± 120 km / h >400 ºC Pyroclastic Flows 1998 Hot Spring Spa’s at 800 m
  • 78. National Seismological Network Arenal Research Center? NO, is the Hot Spring Spa, at 4 km
  • 79.  
  • 80. Volcanic bomb of ± 10 m diameter
  • 81. Lava front collapse
  • 82. Geological Map
  • 83. Dry Tiltmeter Network
  • 84. Volcanic Stability Analysis
  • 85.  
  • 86. Geochemestry of Hot and Cold Springs
  • 87. Geological Mapping in volcanic areas
  • 88. Miravalles Volcano
  • 89. VOLCAN MIRAVALLES GEODESIC NETWORK
  • 90. Geothermal Electricity Plants at Miravalles Volcano
  • 91. Rincon de la Vieja Volcano
  • 92.  
  • 93. Fumaroles 90 °C Water pH 2 Temperature 25 – 30 °C
  • 94. Seismicity of the Guanacaste Volcanoes
  • 95.  
  • 96.  
  • 97. R/V Atlantis Woods Hole Oceanographic Institute
  • 98. ALVIN Submarine
  • 99.  
  • 100.  
  • 101.  
  • 102.  
  • 103. METEOR M66 GEOMAR
  • 104. ROV Quest (MARUM, Bremen)
  • 105. Volatiles and Fluids in Subduction Zones : Climate feedback and trigger mechanisms for natural disasters An overview. 3 Themes, each with 4 Subprojects A Input, subduction processes and structure B Volatiles and fluids in the forearc (continental slope) C Volatile transfer through the volcanic arc into the atmosphere
  • 106. 9°30’ 9°20’ 9°10’ 9°00’ 8°50’ 8°40’ -2000 0 85°90’ 85°80’ 85°70’ 85°60’ 85°50’ 85°00 84°90’ 84°80’ Nicoya Slump Tectonic oversteepening at erosive convergent margins: example: Costa Rica SFB 574, Collaborative Research Centre Volatiles and Fluids in Subduction Zones
  • 107. Nicoya Slump slope failure caused by ridge and seamount subduction likely a single, catastrophic (tsunamigenic) event SFB 574, Collaborative Research Centre Volatiles and Fluids in Subduction Zones -2000 0 9°30’ 9°20’ 9°10’ 9°00’ 85°90’ 85°80’ 85°70’ 85°60’ 85°50’ 84°00
  • 108. 9°30’ 9°20’ 9°10’ 9°00’ 8°50’ 8°40’ -2000 0 85°90’ 85°80’ 85°70’ 85°60’ 85°50’ 85°00 84°90’ 84°80’ Nicoya Slump Jaco Scarp Tectonic oversteepening at erosive convergent margins: example: Costa Rica SFB 574, Collaborative Research Centre Volatiles and Fluids in Subduction Zones
  • 109. Jaco Scarp continous slope indentation and failure caused by seamount subduction in a series of small scale slide events SFB 574, Collaborative Research Centre Volatiles and Fluids in Subduction Zones
  • 110. 9°30’ 9°20’ 9°10’ 9°00’ 8°50’ 8°40’ -2000 0 85°90’ 85°80’ 85°70’ 85°60’ 85°50’ 85°00 84°90’ 84°80’ Nicoya Slump Jaco Scarp small scale slumping Tectonic oversteepening at erosive convergent margins: example: Costa Rica SFB 574, Collaborative Research Centre Volatiles and Fluids in Subduction Zones

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