Search Results - "TKALCIC, Hrvoje"

On the Inner‐Core Differential‐Rotation (Un)Resolvability From Earthquake Doublets: The Traps of Data Selection by Tkalčić, Hrvoje

“…The phenomenon of differential rotation of the Earth's inner core relative to the mantle is a subject of interest in geodynamo modeling that has been validated…”
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Complex inner core of the Earth: The last frontier of global seismology by Tkalcic, Hrvoje

“…The days when the Earth's inner core (IC) was viewed as a homogeneous solid sphere surrounded by the liquid outer core (OC) are now behind us. Due to a limited…”
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Repetitive marsquakes in Martian upper mantle by Sun, Weijia, Tkalčić, Hrvoje

“…Marsquakes excite seismic wavefield, allowing the Martian interior structures to be probed. However, the Martian seismic data recorded by InSight have a low…”
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Shear‐Wave Anisotropy in the Earth's Inner Core by Wang, Sheng, Tkalčić, Hrvoje

“…Earth's inner core (IC) anisotropy is widely used to infer the deep Earth's evolution and present dynamics. Many compressional‐wave anisotropy models have been…”
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Seismic event coda-correlation's formation: implications for global seismology by Wang, Sheng, Tkalčić, Hrvoje

“…SUMMARY The seismic-event-coda correlograms are characterized by many prominent features, which, if understood thoroughly, could supply valuable information on…”
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CCMOC: A new view of the Earth's outer core through the global coda correlation wavefield by Ma, Xiaolong, Tkalčić, Hrvoje

“…Increasing seismic evidence has accumulated, suggesting that the Earth's outer core consists of distinct zones of low P-wave velocities in the top and bottom…”
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Up-to-fivefold reverberating waves through the Earth’s center and distinctly anisotropic innermost inner core by Phạm, Thanh-Son, Tkalčić, Hrvoje

“…Probing the Earth’s center is critical for understanding planetary formation and evolution. However, geophysical inferences have been challenging due to the…”
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Internal structure of ultralow-velocity zones consistent with origin from a basal magma ocean by Pachhai, Surya, Li, Mingming, Thorne, Michael S., Dettmer, Jan, Tkalčić, Hrvoje

“…Seismological observations reveal patches of low-velocity anomalies at the core–mantle boundary known as ultralow-velocity zones. Despite recent advances,…”
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Shear properties of Earth's inner core constrained by a detection of J waves in global correlation wavefield by Tkalčić, Hrvoje, Phạm, Thanh-Son

“…Seismic waves, shear waves that traverse Earth's inner core, provide direct constraints on the inner core's solidity and shear properties. However, these waves…”
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Probabilistic lowermost mantle P-wave tomography from hierarchical Hamiltonian Monte Carlo and model parametrization cross-validation by Muir, Jack B, Tkalčić, Hrvoje

“…SUMMARY Bayesian methods, powered by Markov Chain Monte Carlo estimates of posterior densities, have become a cornerstone of geophysical inverse theory. These…”
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Long‐Wavelength Topography and Multiscale Velocity Heterogeneity at the Core‐Mantle Boundary by Muir, Jack B., Tanaka, Satoru, Tkalčić, Hrvoje

“…The structure of the lowermost mantle and the core‐mantle boundary (CMB) has profound implications for Earth's evolution and current‐day dynamics. Whilst…”
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Point source moment tensor inversion through a Bayesian hierarchical model by Mustać, Marija, Tkalčić, Hrvoje

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Point‐Source Inversion of Small and Moderate Earthquakes From P‐wave Polarities and P/S Amplitude Ratios Within a Hierarchical Bayesian Framework: Implications for the Geysers Earthquakes by Shang, Xueyi, Tkalčić, Hrvoje

“…Characterizing seismic moment tensors of small‐ to moderate‐magnitude earthquakes (i.e., 2.5<M<4.0) still represents a challenge in observational seismology…”
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The 20 May 2016 Petermann Ranges earthquake: centroid location, magnitude and focal mechanism from full waveform modelling by Hejrani, Babak, Tkalčić, Hrvoje

“…Ground velocity records of the 20 May 2016 Petermann Ranges earthquake are used to calculate its centroid-moment-tensor in the 3 D heterogeneous Earth model…”
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A Composite Seismic Source Model for the First Major Event During the 2022 Hunga (Tonga) Volcanic Eruption by Hu, Jinyin, Phạm, Thanh‐Son, Tkalčić, Hrvoje

“…The violent eruption of the Hunga (Tonga) submarine volcano on 15 January 2022 caused a 58 km‐heigh ash plume, catastrophic tsunami, and significant global…”
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Seismic moment tensor inversion with theory errors from 2-D Earth structure: implications for the 2009–2017 DPRK nuclear blasts by Hu, Jinyin, Phạm, Thanh-Son, Tkalčić, Hrvoje

“…SUMMARY Determining the seismic moment tensor (MT) from the observed waveforms with available Earth's structure models is known as seismic waveform MT…”
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Intraplate volcanism controlled by back‐arc and continental structures in NE Asia inferred from transdimensional Bayesian ambient noise tomography by Kim, Seongryong, Tkalčić, Hrvoje, Rhie, Junkee, Chen, Youlin

“…Intraplate volcanism adjacent to active continental margins is not simply explained by plate tectonics or plume interaction. Recent volcanoes in northeast (NE)…”
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Seismic insights into Earth’s core by Waszek, Lauren, Irving, Jessica, Phạm, Thanh-Son, Tkalčić, Hrvoje

“…The inner and outer cores are the most remote layers of Earth, yet have wide-ranging impacts on its evolution. Here, we detail current structural models of the…”
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Receiver functions from seismic interferometry: a practical guide by Tauzin, Benoit, Pham, Thanh-Son, Tkalčić, Hrvoje

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Earth's Correlation Wavefield: Late Coda Correlation by Phạm, Thanh‐Son, Tkalčić, Hrvoje, Sambridge, Malcolm, Kennett, Brian L. N.

“…Cross correlation of seismograms provides new information on the Earth both through the exploitation of ambient noise and specific components of earthquake…”
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