Results 51 to 60 of about 116,799 (248)

Monitoring of Volcano deformation

, 2022
International audienceMonitoring ground surface deformation is an essential component of volcano monitoring, along with other techniques, such as seismology, geochemistry and geology.
Froger, Jean-Luc, Peltier, Aline, Beauducel, François, Cayol, Valérie   +3 more
core   +1 more source

Estimation of Vent Radii From Video Recordings and Infrasound Data Analysis: Implications for Vulcanian Eruptions From Sakurajima Volcano, Japan

Geophysical Research Letters, 2018
We estimated the vent radius within Showa Crater of Sakurajima volcano from ejection velocity and flow rate of gas‐particle mixtures. The ejection velocity was calculated from video recordings, and the flow rate and volume from infrasound data.
Dan Muramatsu, Koki Aizawa, Akihiko Yokoo, Masato Iguchi, Takeshi Tameguri   +4 more
doaj   +1 more source

Observations of rapid-fire event tremor at Lascar volcano, Chile

Annals of Geophysics, 1996
During the Proyecto de Investigaciòn Sismològica de la Cordillera Occidental (PISCO '94) in the Atacama desert of Northern Chile, a continuously recording broadband seismic station was installed to the NW of the currently active volcano, Lascar.
H. Rademacher, D. Seidl, M. Hellweg, K. Wylegalla, G. Asch   +4 more
doaj   +1 more source

Nicaraguan volcanic monitoring program of the Instituto Nicaragüense de Estudios Territoriales

Volcanica, 2021
The Instituto Nicaragüense de Estudios Territoriales (INETER) is the institution responsible for volcano monitoring in Nicaragua. The Volcanology Division of the General Directorate of Geology and Geophysics currently monitors six active volcanoes by ...
Eveling Espinoza, José Armando Saballos Peréz, Martha Navarro Collado, Virginia Tenorio Bellanger, Teresita Olivares Loaisiga, Martha Ibarra Carcache, David Chavarría González, Dodanis Matus Sanchez, Elvis Mendoza Rivera   +8 more
doaj   +1 more source

Araguainha Dome, Brazil: A polygonal impact structure due to a complex pre‐impact regional structural framework

Meteoritics &Planetary Science, EarlyView.
Abstract We investigated the structural framework of the north–northwestern Paraná Basin in Brazil to test whether the pre‐impact structures in this region may have had any influence on the first‐order formation and morphostructure of the Araguainha impact structure (AIS).
Renato B. Bernardes, Wolf U. Reimold, Roger L. Gibson, Julia B. Curto Ma, Adolfo B. Silva, Natalia Hauser   +5 more
wiley   +1 more source

Fracture mechanics of volcanic eruptions [PDF]

, 2009
Seismology is a key tool in the forecasting of volcanic eruptions. The onset of an eruption is often preceded and accompanied by an increase in local seismic activity, driven by fracturing within the edifice.
Matthews, C., Matthews, C
core  

Deep Long‐Period Earthquakes at Akutan Volcano From 2005 to 2017 Better Track Magma Influxes Compared to Volcano‐Tectonic Earthquakes

Geophysical Research Letters, 2023
Both volcano‐tectonic (VTs) and deep long‐period earthquakes (DLPs) have been documented at Akutan Volcano, Alaska and may reflect different active processes helpful for eruption forecasting. In this study, we perform high‐resolution earthquake detection,
Zilin Song, Yen Joe Tan, Diana C. Roman
doaj   +1 more source

Building a Continental‐Scale Geodetic Network: The Plate Boundary Observatory (PBO)

Perspectives of Earth and Space Scientists, Volume 7, Issue 1, December 2026.
Abstract The Plate Boundary Observatory (PBO) transformed the use of geodesy in North America to study crustal deformation and plate boundary processes by establishing a continental‐scale, standardized, open‐access geodetic network. Built and operated by UNAVCO between 2003 and 2018 as part of the National Science Foundation (NSF)‐funded EarthScope ...
Emily E. Zawacki, Michael E. Jackson, Glen S. Mattioli, David J. Mencin, Karl Feaux, Donna J. Charlevoix   +5 more
wiley   +1 more source

The Stromboli geophysical experiment. Preliminary report on wide angle refraction seismics and morphobathymetry of Stromboli island (Southern Tyrrhenian sea, Italy)based on integrated offshore-onshore data acquisition (cruise STRO-06 R/V Urania) [PDF]

, 2007
The Stromboli geophysical experiment, performed to acquire onshore and offshore seismic data through a combined on-land and marine network, was finalized to reconstruct the seismic tomography of the volcano and to investigate the deep structures and the
Ciampi, Maurizio, Ilinskyi, Dimitri, Aiello, Gemma, Marsella, Ennio, Contrafatto , Danilo, Ulivieri, Giacomo, Di Prima , Sergio, Passaro, Salvatore, Iavarone, Michele, Bortoluzzi , Giovanni, De Cesare, Walter, Govoni, Aladino, Sgroi , Tiziana, Genco, Riccardo, Ruggieri , Stefano, Platania , Raffaele, Moretti, Milena, Patanè, Domenico, Scotto di Vettimo, Paolo, Rinke, Norbert Ralf, Speciale , Stefano, Di Fiore, Vincenzo, Augusti , Vincenzo, Marchetti, Emanuele, Castellano, Mario, Ferrante, Valentina, La Rocca, Mario, Ligi , Marco, Rapisarda, Salvatore, Frugoni, Francesco, Favali , Paolo, La Canna, Giorgio, Mangano , Giorgio, Zuccarello, Luciano   +33 more
core  

CSDP: Seismology of continental thermal regime [PDF]

, 1989
This is a progress report for the past one year of research (year 2 of 5-year project) under the project titled CSDP: Seismology of Continental Thermal Regime'', in which we proposed to develop seismological interpretation theory and methods applicable ...
Aki, K.
core   +1 more source