Thomas J Casadevall
Tom Casadevall is a Scientist Emeritus with the Geology, Geophysics, and Geochemistry Science Center.
Science and Products
Filter Total Items: 39
Compilation of Disruptions to Airports by Volcanic Activity (Version 1.0, 1944-2006) Compilation of Disruptions to Airports by Volcanic Activity (Version 1.0, 1944-2006)
Volcanic activity has caused significant hazards to numerous airports worldwide, with local to far-ranging effects on travelers and commerce. To more fully characterize the nature and scope of volcanic hazards to airports, we collected data on incidents of airports throughout the world that have been affected by volcanic activity, beginning in 1944 with the first documented instance of...
Authors
Marianne Guffanti, Gari C. Mayberry, Thomas J. Casadevall, Richard Wunderman
Preliminary analytical results for a mud sample collected from the LUSI Mud Volcano, Sidoarjo, East Java, Indonesia Preliminary analytical results for a mud sample collected from the LUSI Mud Volcano, Sidoarjo, East Java, Indonesia
On May 29, 2006, mud and gases began erupting unexpectedly from a vent 150 meters away from a hydrocarbon exploration well near Sidoarjo, East Java, Indonesia. The eruption, called the LUSI (Lumpur 'mud'-Sidoarjo) mud volcano, has continued since then at rates as high as 160,000 m3 per day. At the request of the United States Department of State, the U.S. Geological Survey (USGS) has...
Authors
Geoffrey S. Plumlee, Thomas J. Casadevall, Handoko T. Wibowo, Robert J. Rosenbauer, Craig A. Johnson, George N. Breit, Heather Lowers, Ruth E. Wolf, Philip L. Hageman, Harland L. Goldstein, Michael W. Anthony, Cyrus J. Berry, David L. Fey, Gregory P. Meeker, Suzette A. Morman
Ground deformation at Merapi Volcano, Java, Indonesia: distance changes, June 1988-October 1995 Ground deformation at Merapi Volcano, Java, Indonesia: distance changes, June 1988-October 1995
Edifice deformations are reported here for the period 1988–1995 at Merapi volcano, one of the most active and dangerous volcanoes in Indonesia. The study period includes a major resumption in lava effusion in January 1992 and a major dome collapse in November 1994. The data comprise electronic distance measurements (EDM) on a summit trilateration network, slope distance changes measured...
Authors
K.D. Young, B. Voight, T. J. Casadevall
Sulfur dioxide emission rates of Kilauea Volcano, Hawaii, 1979-1997 Sulfur dioxide emission rates of Kilauea Volcano, Hawaii, 1979-1997
Sulfur dioxide (SO2) emission rates from Kilauea Volcano were first measured by Stoiber and Malone (1975) and have been measured on a regular basis since 1979 (Casadevall and others, 1987; Greenland and others, 1985; Elias and others, 1993; Elias and Sutton, 1996). The purpose of this report is to present a compilation of Kilauea SO2 emission rate data from 1979 through 1997 with...
Authors
Tamar Elias, A. J. Sutton, J. B. Stokes, T. J. Casadevall
Monitoring so2 emission at the Soufriere Hills volcano: Implications for changes in eruptive conditions Monitoring so2 emission at the Soufriere Hills volcano: Implications for changes in eruptive conditions
Correlation spectrometer measurements of sulfur dioxide (SO2) emission rates during the current eruption of the Soufriere Hills volcano, Montserrat, have contributed towards identifying different phases of volcanic activity. SO2 emission rate has increased from 6.4 kgs−1) after July 1996, with the uncertainty associated with any individual measurement ca. 30%. Significantly enhanced SO2...
Authors
S.R. Young, P.W. Francis, J. Barclay, T. J. Casadevall, C. A. Gardner, B. Darroux, M. A. Davies, P. Delmelle, G.E. Norton, A.J.H. Maciejewski, C.M.M. Oppenheimer, J. Stix, I.M. Watson
Volcanic ash - danger to aircraft in the north Pacific Volcanic ash - danger to aircraft in the north Pacific
The world's busy air traffic corridors pass over hundreds of volcanoes capable of sudden, explosive eruptions. In the United States alone, aircraft carry many thousands of passengers and millions of dollars of cargo over volcanoes each day. Volcanic ash can be a serious hazard to aviation even thousands of miles from an eruption. Airborne ash can diminish visibility, damage flight...
Authors
Christina A. Neal, Thomas J. Casadevall, Thomas P. Miller, James W. Hendley, Peter H. Stauffer
Science and Products
Filter Total Items: 39
Compilation of Disruptions to Airports by Volcanic Activity (Version 1.0, 1944-2006) Compilation of Disruptions to Airports by Volcanic Activity (Version 1.0, 1944-2006)
Volcanic activity has caused significant hazards to numerous airports worldwide, with local to far-ranging effects on travelers and commerce. To more fully characterize the nature and scope of volcanic hazards to airports, we collected data on incidents of airports throughout the world that have been affected by volcanic activity, beginning in 1944 with the first documented instance of...
Authors
Marianne Guffanti, Gari C. Mayberry, Thomas J. Casadevall, Richard Wunderman
Preliminary analytical results for a mud sample collected from the LUSI Mud Volcano, Sidoarjo, East Java, Indonesia Preliminary analytical results for a mud sample collected from the LUSI Mud Volcano, Sidoarjo, East Java, Indonesia
On May 29, 2006, mud and gases began erupting unexpectedly from a vent 150 meters away from a hydrocarbon exploration well near Sidoarjo, East Java, Indonesia. The eruption, called the LUSI (Lumpur 'mud'-Sidoarjo) mud volcano, has continued since then at rates as high as 160,000 m3 per day. At the request of the United States Department of State, the U.S. Geological Survey (USGS) has...
Authors
Geoffrey S. Plumlee, Thomas J. Casadevall, Handoko T. Wibowo, Robert J. Rosenbauer, Craig A. Johnson, George N. Breit, Heather Lowers, Ruth E. Wolf, Philip L. Hageman, Harland L. Goldstein, Michael W. Anthony, Cyrus J. Berry, David L. Fey, Gregory P. Meeker, Suzette A. Morman
Ground deformation at Merapi Volcano, Java, Indonesia: distance changes, June 1988-October 1995 Ground deformation at Merapi Volcano, Java, Indonesia: distance changes, June 1988-October 1995
Edifice deformations are reported here for the period 1988–1995 at Merapi volcano, one of the most active and dangerous volcanoes in Indonesia. The study period includes a major resumption in lava effusion in January 1992 and a major dome collapse in November 1994. The data comprise electronic distance measurements (EDM) on a summit trilateration network, slope distance changes measured...
Authors
K.D. Young, B. Voight, T. J. Casadevall
Sulfur dioxide emission rates of Kilauea Volcano, Hawaii, 1979-1997 Sulfur dioxide emission rates of Kilauea Volcano, Hawaii, 1979-1997
Sulfur dioxide (SO2) emission rates from Kilauea Volcano were first measured by Stoiber and Malone (1975) and have been measured on a regular basis since 1979 (Casadevall and others, 1987; Greenland and others, 1985; Elias and others, 1993; Elias and Sutton, 1996). The purpose of this report is to present a compilation of Kilauea SO2 emission rate data from 1979 through 1997 with...
Authors
Tamar Elias, A. J. Sutton, J. B. Stokes, T. J. Casadevall
Monitoring so2 emission at the Soufriere Hills volcano: Implications for changes in eruptive conditions Monitoring so2 emission at the Soufriere Hills volcano: Implications for changes in eruptive conditions
Correlation spectrometer measurements of sulfur dioxide (SO2) emission rates during the current eruption of the Soufriere Hills volcano, Montserrat, have contributed towards identifying different phases of volcanic activity. SO2 emission rate has increased from 6.4 kgs−1) after July 1996, with the uncertainty associated with any individual measurement ca. 30%. Significantly enhanced SO2...
Authors
S.R. Young, P.W. Francis, J. Barclay, T. J. Casadevall, C. A. Gardner, B. Darroux, M. A. Davies, P. Delmelle, G.E. Norton, A.J.H. Maciejewski, C.M.M. Oppenheimer, J. Stix, I.M. Watson
Volcanic ash - danger to aircraft in the north Pacific Volcanic ash - danger to aircraft in the north Pacific
The world's busy air traffic corridors pass over hundreds of volcanoes capable of sudden, explosive eruptions. In the United States alone, aircraft carry many thousands of passengers and millions of dollars of cargo over volcanoes each day. Volcanic ash can be a serious hazard to aviation even thousands of miles from an eruption. Airborne ash can diminish visibility, damage flight...
Authors
Christina A. Neal, Thomas J. Casadevall, Thomas P. Miller, James W. Hendley, Peter H. Stauffer