Slow slip events in New Zealand

LM Wallace - Annual Review of Earth and Planetary Sciences, 2020 - annualreviews.org
Continuously operating global positioning system sites in the North Island of New Zealand
have revealed a diverse range of slow motion earthquakes on the Hikurangi subduction …

Forearc seismogenesis in a weakly coupled subduction zone influenced by slab mantle fluids

D Cordell, S Naif, R Evans, K Key, S Constable… - Nature …, 2023 - nature.com
The role of fluids in earthquake rupture is key to understanding seismic hazards, particularly
at subduction zones. The Shumagin Gap, Alaska, is notable due to a paucity of large …

Quality over quantity: on workflow and model space exploration of 3D inversion of MT data

K Robertson, S Thiel, N Meqbel - Earth, Planets and Space, 2020 - Springer
Abstract 3D inversions of magnetotelluric data are now almost standard, with computational
power now allowing an inversion to be performed in a matter of days (or hours) rather than …

Segmentation of plate coupling, fate of subduction fluids, and modes of arc magmatism in C ascadia, inferred from magnetotelluric resistivity

PE Wannamaker, RL Evans… - Geochemistry …, 2014 - Wiley Online Library
Five magnetotelluric (MT) profiles have been acquired across the Cascadia subduction
system and transformed using 2‐D and 3‐D nonlinear inversion to yield electrical resistivity …

Links between sediment consolidation and Cascadia megathrust slip behaviour

S Han, NL Bangs, SM Carbotte, DM Saffer… - Nature …, 2017 - nature.com
At sediment-rich subduction zones, megathrust slip behaviour and forearc deformation are
tightly linked to the physical properties and in situ stresses within underthrust and accreted …

Application of 3-D electromagnetic inversion in practice: challenges, pitfalls and solution approaches

MP Miensopust - Surveys in Geophysics, 2017 - Springer
In recent years, three-dimensional (3-D) inversion of electromagnetic (EM) data gained a lot
of attention and the number of 3-D EM case studies has increased. Many publications …

Fluid budgets along the northern Hikurangi subduction margin, New Zealand: The effect of a subducting seamount on fluid pressure

S Ellis, Å Fagereng, D Barker, S Henrys… - Geophysical Journal …, 2015 - academic.oup.com
We estimate fluid sources around a subducted seamount along the northern Hikurangi
subduction margin of New Zealand, using thermomechanical numerical modelling informed …

3-D imaging of the northern Hikurangi subduction zone, New Zealand: variations in subducted sediment, slab fluids and slow slip

D Eberhart-Phillips, S Bannister - Geophysical Journal …, 2015 - academic.oup.com
We obtain 3-DV p and V p/V s from 8 to 70 km depth along the northern Hikurangi
subduction zone, New Zealand, where the downdip limit of interseismic coupling is …

Mapping subduction interface coupling using magnetotellurics: Hikurangi margin, New Zealand

W Heise, TG Caldwell, S Bannister… - Geophysical …, 2017 - Wiley Online Library
The observation of slow‐slip, seismic tremor, and low‐frequency earthquakes at subduction
margins has provided new insight into the mechanisms by which stress accumulates …

The many double BSRs across the northern Hikurangi margin and their implications for subduction processes

S Han, NL Bangs, MJ Hornbach, IA Pecher… - Earth and Planetary …, 2021 - Elsevier
The bottom simulating reflection (BSR) is widely observed along continental margins and is
believed to mark the base of gas hydrate stability zone (BGHSZ). In some regions, double or …