Richard Walker
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View article: Aseismic Slip on the Ilyak Strike‐Slip Fault (Tajikistan) and Active Fault and Landslide Hazards in and Around the Tajik Basin Revealed by InSAR
Aseismic Slip on the Ilyak Strike‐Slip Fault (Tajikistan) and Active Fault and Landslide Hazards in and Around the Tajik Basin Revealed by InSAR Open
The Ilyak fault in Tajikistan is an E‐W striking strike‐slip fault, which forms the northern boundary of the actively deforming Tajik Basin fold and thrust belt. Determining the activity of the Ilyak fault is important for understanding th…
View article: Rupture of the 1949 Khait Earthquake on a Cryptic Fault: Implications for Earthquake Hazard
Rupture of the 1949 Khait Earthquake on a Cryptic Fault: Implications for Earthquake Hazard Open
The 1949 M w 7.6 Khait earthquake, Tajikistan, was one of the most destructive of the Pamir—Tien Shan region, killing over 7,000 people by building collapse and landsliding. It occurred at the transition between the Pamir and Tien Shan mou…
View article: Fault creep in the fluid-rich Kura Basin, Azerbaijan, imaged with InSAR
Fault creep in the fluid-rich Kura Basin, Azerbaijan, imaged with InSAR Open
Summary Current geodetic velocities show that over half (up to 10 mm/yr) of Arabia-Eurasia shortening in the west is accommodated within a relatively narrow zone across the Kura basin of Azerbaijan, in which the most prominent active struc…
View article: Implications of the 9 July 1956 M<sub>S</sub> ∼ 7.2 Amorgos Earthquake for Tsunami Hazard in the Aegean
Implications of the 9 July 1956 M<sub>S</sub> ∼ 7.2 Amorgos Earthquake for Tsunami Hazard in the Aegean Open
The 9 July 1956 Amorgos earthquake was followed by sea waves that affected a large part of the southern Aegean Sea and, in places, were higher than 10 m. Previous analyses of this event concluded that waves generated directly by co‐seismic…
View article: Surface ruptures from the 1556 Huaxian earthquake, North China, measured using high-resolution topography: Implications for large magnitude normal-faulting earthquakes in continental interiors
Surface ruptures from the 1556 Huaxian earthquake, North China, measured using high-resolution topography: Implications for large magnitude normal-faulting earthquakes in continental interiors Open
On January 23, 1556, a large normal-faulting earthquake struck Huaxian county, in the eastern part of the Weihe Graben, North China. The direct effects of the great shock and the following famine, exposure to coldness, and disease together…
View article: Active tectonics of the South Caspian basin evidenced by seismic and field data
Active tectonics of the South Caspian basin evidenced by seismic and field data Open
The South Caspian Basin contains one of the thickest accumulated sedimentary sequences on earth with accumulated sedimentary sequences over 20 km overlying thin oceanic crust. The basin represents an enigmatic aseismic “block” within the A…
View article: Advancing Parkinson's Disease Research in Africa: A Strategic Training Framework of the Global Parkinson's Genetics Program
Advancing Parkinson's Disease Research in Africa: A Strategic Training Framework of the Global Parkinson's Genetics Program Open
K.S. is funded by the Michael J. Fox Foundation (MJFF) and Aligning Sciences Across Parkinson's Disease Global Parkinson Genetic Program (ASAP-GP2). N.O. has the following financial disclosures: MJFF and Tertiary Education Trust Fund (TETF…
View article: Paleoseismology of the Northern Kongur Shan Extensional System, NE Pamir: Implications for Potential Irregular Earthquake Recurrence
Paleoseismology of the Northern Kongur Shan Extensional System, NE Pamir: Implications for Potential Irregular Earthquake Recurrence Open
The intricate and changing stress conditions within complex fault networks pose challenges in understanding earthquake recurrence and seismic hazards. The Kongur Shan Extensional System (KSES) in the northeastern Pamir, characterized by co…
View article: Advancing Parkinson’s Disease Research in Africa: A Strategic Training Framework of the Global Parkinson’s Genetics Program (GP2)
Advancing Parkinson’s Disease Research in Africa: A Strategic Training Framework of the Global Parkinson’s Genetics Program (GP2) Open
Not applicable
View article: Bridging the gap: assessing the integration of robotic-assisted surgery into Canadian surgical training programs
Bridging the gap: assessing the integration of robotic-assisted surgery into Canadian surgical training programs Open
SummaryThe adoption of robotic surgery has surged globally across multiple surgical specialties, but uptake in Canada has unfolded at a slower pace. Surgical educators and trainees in Canada face potential challenges related to sufficient …
View article: Surface Rupturing Earthquakes of the Greater Caucasus Frontal Thrusts, Azerbaijan
Surface Rupturing Earthquakes of the Greater Caucasus Frontal Thrusts, Azerbaijan Open
Here we present the results of the first paleoseismic study of the Kura fold‐thrust belt in Azerbaijan based on field mapping, fault trenching, and Quaternary dating. Convergence at rates of ∼10 mm/yr between the Arabian and Eurasian Plate…
View article: Detailed Active Fault Map of the Spin Ghar Fault System and Related Seismicity in Eastern Afghanistan
Detailed Active Fault Map of the Spin Ghar Fault System and Related Seismicity in Eastern Afghanistan Open
The Spin Ghar fault system is one of the major active structures in northeastern Afghanistan, stretching ~130 km east-west along the Spin Ghar Mountains in the Jalalabad Basin. The fault system includes a group of strike-slip and oblique-s…
View article: Seismotectonic aspects of the <i>M</i>s 7.3 1948 October 5 Aşgabat (Ashgabat) earthquake, Türkmenistan: right-lateral rupture across multiple fault segments, and continuing urban hazard
Seismotectonic aspects of the <i>M</i>s 7.3 1948 October 5 Aşgabat (Ashgabat) earthquake, Türkmenistan: right-lateral rupture across multiple fault segments, and continuing urban hazard Open
SUMMARY The Ms 7.3 1948 Aşgabat earthquake was one of the most devastating earthquakes of the 20th century, yet little is known about its location, style and causative fault. In this study, we bring together new seismic and geomorphic obse…
View article: The Chaman and Paghman active faults, west of Kabul, Afghanistan: Active tectonics, geomorphology, and evidence for rupture in the destructive 1505 earthquake
The Chaman and Paghman active faults, west of Kabul, Afghanistan: Active tectonics, geomorphology, and evidence for rupture in the destructive 1505 earthquake Open
The city of Kabul, Afghanistan, lies within the Kabul Block, which is bounded by the Sarobi, Gardez and Paghman fault, the northern extension of the Chaman fault, accommodating oblique convergence between the Indian and Eurasian plates. In…
View article: Evolution of the South Caspian Basin – evidence from offshore seismic and onshore active tectonics
Evolution of the South Caspian Basin – evidence from offshore seismic and onshore active tectonics Open
The South Caspian Basin is a deep-water basin containing one of the thickest accumulated sedimentary sequences on the Earth, with up to 25 km of sediments, overlying thin oceanic crust.To understand the nature of the South Caspian Basin we…
View article: Geometry and kinematics of the active structures along the Latakia Ridge (Cyprus Arc)
Geometry and kinematics of the active structures along the Latakia Ridge (Cyprus Arc) Open
  The eastern Mediterranean has been the locus of catastrophic earthquakes and related tsunamis (e.g., the 365 Crete and 1222 Cyprus earthquakes). The primary sources of these seismic events are structures related to the subduction of…
View article: Surface Rupturing Earthquakes of the Greater Caucasus Frontal Thrusts, Azerbaijan
Surface Rupturing Earthquakes of the Greater Caucasus Frontal Thrusts, Azerbaijan Open
Quaternary convergence at rates of ~10 mm/yr between the Arabian and Eurasian plates is largely accommodated by the Kura fold-thrust belt at the longitude of the Greater Caucasus Mountains in Azerbaijan and eastern Georgia. Here we present…
View article: Resolving Darwin’s Dilemma over Natural Selection, Individual Benefit and Aging-on<em> </em>the Natural Selection of Organismal Aging
Resolving Darwin’s Dilemma over Natural Selection, Individual Benefit and Aging-on<em> </em>the Natural Selection of Organismal Aging Open
There is scientific consensus that organismal aging did not evolve by natural selection (NS) because it lacks individual benefit. Nonetheless it exists, leading to much speculation about its origins, and when the diminishing force of selec…
View article: Probing the Upper End of Intracontinental Earthquake Magnitude: A Prehistoric Example From the Dzhungarian and Lepsy Faults of Kazakhstan
Probing the Upper End of Intracontinental Earthquake Magnitude: A Prehistoric Example From the Dzhungarian and Lepsy Faults of Kazakhstan Open
The study of surface ruptures is key to understanding the earthquake occurrence of faults especially in the absence of historical events. We present a detailed analysis of geomorphic displacements along the Dzhungarian Fault, which straddl…
View article: Interseismic deformation and strain-partitioning along the Main Köpetdag Fault, Turkmenistan, with Sentinel-1 InSAR time-series
Interseismic deformation and strain-partitioning along the Main Köpetdag Fault, Turkmenistan, with Sentinel-1 InSAR time-series Open
SUMMARY The Main Köpetdag Fault (MKDF) is a predominantly right-lateral strike-slip fault that dissects the northern edge of the Köpetdag mountains of Turkmenistan and Iran. The fault represents the northernmost expression of deformation f…
View article: Design and Testing of a MEMS Semi-Absolute Pendulum Gravimeter&#160;
Design and Testing of a MEMS Semi-Absolute Pendulum Gravimeter  Open
<p>Gravimetry has many useful applications from volcanology to oil exploration; being a method able to infer density variations beneath the ground. Therefore, it can be used to provide insight into subsurface processes such as those …
View article: Source parameters and locations of the 1949 Mw7.4 Khait and 1907 Mw7.6 Karatag earthquakes: implications for how mountain ranges collide
Source parameters and locations of the 1949 Mw7.4 Khait and 1907 Mw7.6 Karatag earthquakes: implications for how mountain ranges collide Open
<p>The 1949 M<sub>w</sub>7.4 Khait and 1907 M<sub>w</sub>7.6 Karatag earthquakes are the two largest earthquakes of the last ~100 years within Tajikistan, in a zone of convergence between the Pamir and Tian Sh…
View article: A re-evaluation of the 5th October 1948 M7.3 Ashgabat earthquake (Turkmenistan)&#160;
A re-evaluation of the 5th October 1948 M7.3 Ashgabat earthquake (Turkmenistan)  Open
<p>The 1948 M 7.3 Ashgabat earthquake, killing over 38,000 people, occurred in the dextral strike-slip Kopeh Dagh fault zone in the Iran-Turkmenistan border region. Previously, it has been debated which fault(s) it occurred on and wh…
View article: Mathematics & Analysis of a MEMS Semi-Absolute Pendulum Gravimeter
Mathematics & Analysis of a MEMS Semi-Absolute Pendulum Gravimeter Open
<p>This research provides an overview of the mathematics influencing the design of a pendulum-based semi-absolute MEMS (Micro-Electro-Mechanical Systems) gravimeter, currently being developed at the University of Glasgow. The device …