A new decade in seismoacoustics (2010–2022)

F Dannemann Dugick, C Koch… - Bulletin of the …, 2023 - pubs.geoscienceworld.org
Several sources of interest often generate both low‐frequency acoustic and seismic signals
due to energy propagation through the atmosphere and the solid Earth. Seismic and …

Spectral element modeling of acoustic to seismic coupling over topography

JW Bishop, D Fee, R Modrak, C Tape… - Journal of Geophysical …, 2022 - Wiley Online Library
Acoustic waves in the atmosphere are commonly recorded on seismometers as they couple
into the ground. These signals, here called ground coupled airwaves, are not commonly …

Detecting large explosions with machine learning models trained on synthetic infrasound data

A Witsil, D Fee, J Dickey, R Peña… - Geophysical …, 2022 - Wiley Online Library
Explosions produce low‐frequency acoustic (infrasound) waves capable of propagating
globally, but the spatio‐temporal variability of the atmosphere makes detecting events …

SPECFEM2D-DG, an open-source software modelling mechanical waves in coupled solid–fluid systems: the linearized Navier–Stokes approach

L Martire, R Martin, Q Brissaud… - Geophysical Journal …, 2022 - academic.oup.com
SUMMARY We introduce SPECFEM2D-DG, an open-source, time-domain, hybrid Galerkin
software modelling the propagation of seismic and acoustic waves in coupled solid–fluid …

A two-dimensional effective sound speed parabolic equation model for infrasound propagation with ground topography

R Waxler, CH Hetzer, JD Assink, P Blom - The Journal of the …, 2022 - pubs.aip.org
A terrain capable parabolic equation (PE) propagation algorithm for long range infrasound
propagation modeling has been implemented using Padé approximations for the various …

Quantification of spatial and seasonal trends in the atmosphere and construction of statistical models for infrasonic propagation

P Blom, R Waxler, G Frazier - Geophysical Journal International, 2023 - academic.oup.com
Infrasonic waves are influenced by variations in the density, pressure and temperature as
well as the ambient winds. Modelling infrasonic propagation can be challenging due to the …

Examining infrasound propagation at high spatial resolution using a nodal seismic array

L Toney, D Fee, B Schmandt… - Journal of Geophysical …, 2023 - Wiley Online Library
Infrasound—acoustic waves in the atmosphere below 20 Hz—is a useful monitoring tool.
Topography and atmospheric structure strongly control infrasound propagation, and at …

Evaluating the location capabilities of a regional infrasonic network in Utah, US, using both ray tracing-derived and empirical-derived celerity-range and backazimuth …

FK Dannemann Dugick, PS Blom… - Geophysical Journal …, 2022 - academic.oup.com
More realistic models for infrasound signal propagation across a region can be used to
improve the precision and accuracy of spatial and temporal source localization estimates …

Evaluating the applicability of a screen diffraction approximation to local volcano infrasound

S Maher, R Matoza, C de Groot-Hedlin, K Kim, K Gee - Volcanica, 2021 - jvolcanica.org
Atmospheric acoustic waves from volcanoes at infrasonic frequencies (0.01–20 Hz) can be
used to estimate source parameters for hazard modeling, but signals are often distorted by …

Rapid location of remote volcanic infrasound using 3D ray tracing and empirical climatologies: application to the 2011 Cordon Caulle and 2015 Calbuco eruptions …

R De Negri, RS Matoza - Journal of Geophysical Research …, 2023 - Wiley Online Library
Abstract Infrasound (< 20 Hz) can propagate thousands of kilometers through the
atmosphere, enabling global source location using networks of arrays such as the …