Tilted transverse isotropy in Earth's inner core

H Brett, J Tromp, A Deuss - Nature Geoscience, 2024 - nature.com
Seismic waves traversing the inner core in a direction parallel to Earth's rotation axis arrive
faster than waves travelling in the equatorial plane. These observations have been …

Dynamic history of the inner core constrained by seismic anisotropy

DA Frost, M Lasbleis, B Chandler, B Romanowicz - Nature Geoscience, 2021 - nature.com
Progressive crystallization of Earth's inner core drives convection in the outer core and
magnetic field generation. Determining the rate and pattern of inner-core growth is thus …

Upper mantle slab under Alaska: contribution to anomalous core-phase observations on south-Sandwich to Alaska paths

DA Frost, B Romanowicz, S Roecker - Physics of the Earth and Planetary …, 2020 - Elsevier
Observations of travel time anomalies of inner core-sensitive PKPdf seismic body waves, as
a function of path orientation with respect to the earth's rotation axis, have been interpreted …

Irregular transition layer beneath the Earth's inner core boundary from observations of antipodal PKIKP and PKIIKP waves

J Attanayake, C Thomas, VF Cormier… - Geochemistry …, 2018 - Wiley Online Library
Standard Earth models assume a simple uniform inner core boundary (ICB) separating the
liquid iron outer core from the solid iron inner core. Metallurgical and geodynamic …

Enhancement of Seismic Phase Identification Using Polarization Filtering and Array Analysis

OKA Ling, SC Stähler… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
Seismic arrays play a crucial role in identifying weak signals in the seismic wavefield based
on their expected slowness and backazimuth values. However, their resolution power is …