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JB

J. B. Johnson

Boise State University

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Jacob F. Anderson

Boise State University

Jonathan M. Lees

University of North Carolina at Chapel Hill

Leighton M. Watson

University of Canterbury

Mario Ruiz

Instituto Geofísico de la Escuela Politécnica Nacional

G. P. Waite

Michigan Technological University

Omar Marcillo

Oak Ridge National Laboratory

R. C. Aster

Colorado State University

R. W. Sanderson

University of California, Santa Barbara

J. J. Lyons

Alaska Volcano Observatory

Philip R. Kyle

New Mexico Institute of Mining and Technology

Cooperative Institutions

United States Geological Survey

New Mexico Institute of Mining and Technology

Istituto Nazionale di Geofisica e Vulcanologia

University of Alaska Fairbanks

Boise State University

University of Hawaii System

University of Hawaiʻi at Mānoa

Alaska Volcano Observatory

Ludwig-Maximilians-Universität München

Instituto Geofísico de la Escuela Politécnica Nacional

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Source location variability and volcanic vent mapping with a small-aperture infrasound array at Stromboli Volcano, Italy

Bulletin of Volcanology (2004)

Strombolian eruption

Fumarole

10.1007/s00445-004-0356-8

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Ecuadorian Andes volcanism: A review of Late Pliocene to present activity

Journal of Volcanology and Geothermal Research (2008)

Minard L. Hall Pablo Samaniego Jean‐Luc Le Pennec J. B. Johnson

10.1016/j.jvolgeores.2008.06.012

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Citations (129)

Seismic and Acoustic Array Monitoring of Signal from Tungurahua Volcano, Ecuador

AGU Fall Meeting Abstracts (2012)

Brian Terbush R. E. Anthony J. B. Johnson M. C. Ruiz

SIGNAL (programming language)

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Observations from a Dense Infrasound Sensor Network on Sakurajima Volcano, Japan: a Benchmark Dataset for the Volcano Acoustics Community

David Fee Akihiko Yokoo J. B. Johnson Colin Rowell Kathleen McKee

Benchmark (surveying)

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Imaging the atmosphere using volcanic infrasound recorded on a dense local sensor network

Omar Marcillo J. B. Johnson R. Johnson

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Temporal Changes in Eruption Dynamics at Tungurahua Volcano Deduced from Infrasonic Measurements, June 2009

AGU Fall Meeting Abstracts (2009)

Andrea Parmigiani Kirsten Chojnicki C. E. Parcheta B. P. Christensen Omar Marcillo

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Detecting geyser activity with infrasound

Journal of Volcanology and Geothermal Research (2013)

J. B. Johnson Jacob F. Anderson R. E. Anthony Mariangela Sciotto

Ambient noise level

Fountain

10.1016/j.jvolgeores.2013.02.016

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Dissection of a composite volcanic earthquake at Santiaguito, Guatemala

Geophysical Research Letters (2009)

J. B. Johnson R. W. Sanderson J. J. Lyons R. P. Escobar-Wolf G. P. Waite

Volcano earthquake sources associated with eruptions at Santiaguito volcano in Guatemala are complex. Rock fracture, fluid flow, and gas expansion occur at variable time scales and induce superposed ground motions, including both static and dynamic deformation, and atmospheric pressure disturbances. Dissection of this composite event is facilitated through extra‐seismic observations, such as infrasound, geodetic, and visual monitoring. Multi‐parametric investigation of an eruptive event on Jan. 4th 2009 reveals increased degassing, apparent as both geodetic tilt and harmonic seismo‐infrasonic tremor, preceding an explosive event. The explosive event itself entails surface dome uplift, multiple eruptive pulses, and subsequent re‐equilibration of the volcanic edifice manifested in derived tilt. We report here on an integrated approach to discerning the physical processes at the actively effusing and exploding Santiaguito volcano and describe the composite earthquake that occurs here.

Tiltmeter

Seismogram

10.1029/2009gl039370

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A Micro-Structural Phase-Field Model for Snow Metamorphism and First Experimental Validations using Migrating Air Inclusions in Ice

T. U. Kaempfer Mathis Plapp J. B. Johnson Matthew Sturm

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Field Geophysics Class at Volcán Tungurahua, Ecuador

J. B. Johnson Mario Ruiz

Ecuador's erupting Volcán Tungurahua was the recent site of a 3‐week graduate‐level geophysical course on volcanoes, hosted by Ecuador's Instituto Geofisico of the Escuela Politecnica Nacional (IG‐EPN) and the Department of Earth Science at the New Mexico Institute of Mining and Technology (NMT). Sixteen students from 12 universities and four countries participated in the intensive course, which entailed broadband seismometer and infrasound sensor deployment followed by subsequent data processing, analysis, interpretation, and result synthesis. Hardware for the course was provided by the Incorporated Research Institutes for Seismology (IRIS) through the Program for Array Seismic Studies of the Continental Lithosphere (PASSCAL) as well as the IG‐EPN and NMT geophysics programs.

Seismometer

10.1029/2009eo470002

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