Search Results - "Grapenthin, R."

The value of real‐time GNSS to earthquake early warning by Ruhl, C. J., Melgar, D., Grapenthin, R., Allen, R. M.

“…Global Navigation Satellite Systems (GNSS)‐based earthquake early warning (EEW) algorithms estimate fault finiteness and unsaturated moment magnitude for the…”
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CrusDe: A plug-in based simulation framework for composable Crustal Deformation studies using Green's functions by Grapenthin, R.

“…CrusDe is a plug-in based simulation framework written in C/C++ for Linux platforms (installation information, download and test cases:…”
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Versatile Modeling Of Deformation (VMOD) Inversion Framework: Application to 20 Years of Observations at Westdahl Volcano and Fisher Caldera, Alaska, US by Angarita, M., Grapenthin, R., Henderson, S., Christoffersen, M., Anderson, K. R.

“…We developed an open source, extensible Python‐based framework, that we call the Versatile Modeling Of Deformation (VMOD), for forward and inverse modeling of…”
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Author Correction: InSAR-observed surface deformation in New Mexico’s Permian Basin shows threats and opportunities presented by leaky injection wells by Graves, E. J., Rinehart, A., Grapenthin, R., Angarita, M. F., Grigg, J.

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InSAR-observed surface deformation in New Mexico’s Permian Basin shows threats and opportunities presented by leaky injection wells by Graves, E. J., Rinehart, A., Grapenthin, R., Angarita, M. F., Grigg, J.

“…Knowledge of aquifer dynamics, including groundwater storage changes, is key to effective groundwater resource and reservoir management. Resolving and accurate…”
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Operational real-time GPS-enhanced earthquake early warning by Grapenthin, R., Johanson, I. A., Allen, R. M.

“…Moment magnitudes for large earthquakes (Mw≥7.0) derived in real time from near‐field seismic data can be underestimated due to instrument limitations, ground…”
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Volcanic Hail Detected With GPS: The 2011 Eruption of Grímsvötn Volcano, Iceland by Grapenthin, R., Hreinsdóttir, S., Van Eaton, A. R.

“…Volcanic plumes are challenging to detect and characterize rapidly, but insights into processes such as hail formation or ash aggregation are valuable to…”
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Quantifying the Value of Real‐Time Geodetic Constraints for Earthquake Early Warning Using a Global Seismic and Geodetic Data Set by Ruhl, C. J., Melgar, D., Chung, A. I., Grapenthin, R., Allen, R. M.

“…Geodetic earthquake early warning (EEW) algorithms complement point‐source seismic systems by estimating fault‐finiteness and unsaturated moment magnitude for…”
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Capturing Seismic Signals From Karst Aquifer Injection Experiments and a Natural Recharge Event by Bilek, S. L., Luhmann, A. J., Grapenthin, R., Woo, Han Byul, Gochenour, J. A.

“…Variations in subsurface flow processes through a karst aquifer that feeds Bear Spring in southeastern Minnesota were captured on a temporary seismic network…”
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Quantifying Large‐Scale Surface Change Using SAR Amplitude Images: Crater Morphology Changes During the 2019–2020 Shishaldin Volcano Eruption by Angarita, M., Grapenthin, R., Plank, S., Meyer, F. J., Dietterich, H.

“…Morphological processes often induce meter‐scale elevation changes. When a volcano erupts, tracking such processes provides insights into the style and…”
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Processing Ambient Noise Data Using Phase Cross‐Correlation and Application Toward Understanding Spatiotemporal Environmental Effects by Woo, H. B., Bilek, S. L., Gochenour, J. A., Grapenthin, R., Luhmann, A. J., Martin, J. B.

“…Typical use of ambient noise interferometry focuses on longer period (>1 s) waves for exploration of subsurface structure and other applications, while very…”
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Decades of subsidence followed by rapid uplift: Insights from microgravity data at Askja Volcano, Iceland by Koymans, M.R., de Zeeuw-van Dalfsen, E., Sepúlveda, J., Evers, L.G., Giniaux, J.M., Grapenthin, R., Hooper, A., Ófeigsson, B.G., Sigmundsson, F., Yang, Y.

“…•Since the 2021 uplift, no significant gravity change is detected outside the center caldera.•A 150 μGal gravity decrease from 1988–2017 may indicate…”
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Deep magma storage at Hekla volcano, Iceland, revealed by InSAR time series analysis by Ofeigsson, Benedikt G., Hooper, Andrew, Sigmundsson, Freysteinn, Sturkell, Erik, Grapenthin, Ronni

“…Hekla volcano is one of the most active volcanoes in Iceland. The most recent eruption occurred from 26 February to 8 March 2000 when about 0.19 km3 of magma…”
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Volcanic plume height correlated with magma-pressure change at Grímsvötn Volcano, Iceland by Hreinsdóttir, Sigrún, Sigmundsson, Freysteinn, Roberts, Matthew J., Björnsson, Halldór, Grapenthin, Ronni, Arason, Pórdur, Árnadóttir, Thóra, Hólmjárn, Jósef, Geirsson, Halldór, Bennett, Richard A., Gudmundsson, Magnús T., Oddsson, Björn, Ófeigsson, Benedikt G., Villemin, Thierry, Jónsson, Thorsteinn, Sturkell, Erik, Höskuldsson, Ármann, Larsen, Gudrún, Thordarson, Thor, Óladóttir, Bergrún Arna

“…The 2011 eruption of a 20-km-high volcanic plume from Grímsvötn Volcano, Iceland, led to the closure of northern European airspace. Geodetic measurements from…”
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Pressure sources versus surface loads: Analyzing volcano deformation signal composition with an application to Hekla volcano, Iceland by Grapenthin, Ronni, Ófeigsson, Benedikt G., Sigmundsson, Freysteinn, Sturkell, Erik, Hooper, Andrew

“…The load of lava emplaced over periods of decades to centuries induces a gradual viscous response of the Earth resulting in measurable deformation. This effect…”
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Comparisons for Psychomotor Tasks: Grade and Sex of Secondary School Youths by Ruffer, William A., Grapenthin, Richard R., Huey, Lee A., Patterson, Bill J.

“…Youths in Grades 7 through 10 (N = 815) were tested on simple reaction time, pursuit rotor, hand tapping, or arm-hand steadiness tasks. The results, which…”
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Quantifying the Value of Real-time Geodetic Constraints for Earthquake Early Warning using a Global Seismic and Geodetic Dataset by Ruhl, C. J, Melgar, D, Chung, A. I, Grapenthin, R, Allen, R. M

“…Geodetic earthquake early warning (EEW) algorithms complement point-source seismic systems by estimating fault-finiteness and unsaturated moment magnitude for…”
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