Kinematics of active deformation in the Malawi rift and Rungwe Volcanic Province, Africa

CJ Ebinger, SJ Oliva, TQ Pham… - Geochemistry …, 2019 - Wiley Online Library
Although the deep, wide basins of the Western rift, Africa, have served as analogues for the
evolution of half‐graben basins, the geometry and kinematics of the border, intrabasinal …

The Malawi active fault database: An onshore‐offshore database for regional assessment of seismic hazard and tectonic evolution

JN Williams, LNJ Wedmore, CA Scholz… - Geochemistry …, 2022 - Wiley Online Library
Abstract We present the Malawi Active Fault Database (MAFD), an open‐access (https://doi.
org/10.5281/zenodo. 5507190) geospatial database of 113 fault traces in Malawi and …

Heterogeneous Strain Distribution in the Malawi (Nyasa) Rift, East Africa: Implications for Rifting in Magma‐Poor, Multi‐Segment Rift Systems

LJM Wright, CA Scholz, JD Muirhead… - Tectonics, 2023 - Wiley Online Library
Half‐graben basins bounded by border faults typify early‐stage continental rifts. Deciphering
the role that intra‐rift faults play in rift basin development is challenging as patterns of early …

Structural inheritance and border fault reactivation during active early-stage rifting along the Thyolo fault, Malawi

LNJ Wedmore, JN Williams, J Biggs, Å Fagereng… - Journal of Structural …, 2020 - Elsevier
We present new insights on the geometry, initiation and growth of the Thyolo fault, an 85 km
long active border fault in the southern Malawi Rift, from high-resolution topography, field …

[HTML][HTML] Imaging extensional fault systems using deep electrical resistivity tomography: A case study of the Baza fault, Betic Cordillera, Spain

D Porras, J Carrasco, P Carrasco… - Journal of Applied …, 2022 - Elsevier
Seismic hazard assessment of present-day tectonic faults may be improved by studying their
structure and kinematics. These features have been mainly determined by surface …

Under-displaced normal faults: Strain accommodation along an early-stage rift-bounding fault in the Southern Malawi Rift

OO Ojo, LO Ohenhen, F Kolawole… - Frontiers in Earth …, 2022 - frontiersin.org
One of the fundamental problems in continental rift segmentation and propagation is how
strain is accommodated along large rift-bounding faults (border faults) since the …

Stretching, shaking, inflating: volcanic-tectonic interactions at a rifting silicic caldera

JD Muirhead, F Illsley-Kemp, SJ Barker… - Frontiers in Earth …, 2022 - frontiersin.org
Silicic caldera volcanoes are frequently situated in regions of tectonic extension, such as
continental rifts, and are subject to periods of unrest and/or eruption that can be triggered by …

A systems-based approach to parameterise seismic hazard in regions with little historical or instrumental seismicity: The South Malawi Active Fault Database

JN Williams, H Mdala, Å Fagereng… - Solid Earth …, 2020 - se.copernicus.org
Seismic hazard is frequently characterised using instrumental seismic records. However, in
regions where the instrumental record is short relative to earthquake repeat times …

Fault-based probabilistic seismic hazard analysis in regions with low strain rates and a thick seismogenic layer: a case study from Malawi

JN Williams, MJ Werner, K Goda… - Geophysical Journal …, 2023 - academic.oup.com
Historical and instrumental earthquake catalogs in low strain rate regions are not
necessarily indicative of the long-term spatio-temporal distribution of seismicity. This implies …

[HTML][HTML] Evolution of rift faulting in incipient, magma-poor divergent plate boundaries: New insights from the Okavango-Makgadikgadi Rift Zone, Botswana

C Grant, F Kolawole, J Williams - Earth and Planetary Science Letters, 2024 - Elsevier
Continental rifts are thought to transition from a power-law fault length distribution during the
juvenile stages of extension, to an exponential distribution during break-up and oceanic …