Explanipedia

Comparative Properties of Saponitic Fault Gouge and Serpentinite Muds Cored From Mud Volcanoes of the Mariana Subduction Zone Open

D. E. Moore, C. A. Morrow, D. A. Lockner, B. Bekins · 2025

Geology

We obtained 12 core samples for physical and chemical characterization from three serpentinite mud volcanoes (Yinazao, Asùt Tesoru, and Fantangisña) located on the forearc of the Mariana subduction system, that were drilled during Internat…

Interlaboratory comparison of testing hydraulic, elastic, and failure properties in compression: lessons learned Open

Yan Cheng, D. A. Lockner, Mandy Duda, C. A. Morrow, D. M. Saffer , et al. · 2023

Geology Mathematics Engineering

Many geoscientific problems require us to exploit synergies of experimental and numerical approaches, which in turn lead to questions regarding the significance of experimental details for validation of numerical codes. We report results o…

Perinatal Symptoms and Treatment Engagement in Female Veterans Open

Elizabeth Anderson, C. A. Morrow, Kristin Mattocks, Geetha Shivakumar · 2021

Medicine Biology Economics

Introduction Women veterans using Veterans Health Care Administration maternity benefits have a high prevalence of mental health disorders, including depression, PTSD, and anxiety. Additionally, women with psychiatric histories often exper…

Dynamic Rupture Scenarios of Large Earthquakes on the Rodgers Creek-Hayward-Calaveras-Northern Calaveras Fault System, California Open

Ruth Harris, M. Barall, D. A. Ponce, D. E. Moore, R. W. Graymer , et al. · 2021

Geology

<p>The Rodgers Creek-Hayward-Calaveras-Northern Calaveras fault system in California dominates the hazard posed by active faults in the San Francisco Bay Area. Given that this fault system runs through a densely populated area, a lar…

A Geology and Geodesy Based Model of Dynamic Earthquake Rupture on the Rodgers Creek‐Hayward‐Calaveras Fault System, California Open

Ruth Harris, M. Barall, D. A. Lockner, D. E. Moore, D. A. Ponce , et al. · 2021

Geology

The Hayward fault in California's San Francisco Bay area produces large earthquakes, with the last occurring in 1868. We examine how physics‐based dynamic rupture modeling can be used to numerically simulate large earthquakes on not only t…

Data report: permeability, porosity, and frictional strength of core samples from IODP Expedition 366 in the Mariana forearc Open

C. A. Morrow, D. E. Moore, D. A. Lockner, B. Bekins · 2019

Geology Materials science Biology

Core samples from International Ocean Discovery Program (IODP) Expedition 366 were tested in the laboratory to determine permeability, porosity, density, and frictional strength and their relation to mineralogy as part of an effort to unde…

Physical properties of sidewall cores from Decatur, Illinois Open

C. A. Morrow, J. Ole Kaven, D. E. Moore, D. A. Lockner · 2017

Geology Biology Engineering

First posted October 18, 2017 For additional information, contact: USGS Earthquake Science CenterU.S. Geological Survey345 Middlefield Road Mail Stop 977 Menlo Park, CA 94025 To better assess the reservoir conditions influencing the induce…

Low resistivity and permeability in actively deforming shear zones on the San Andreas Fault at SAFOD Open

C. A. Morrow, D. A. Lockner, Stephen H. Hickman · 2015

Geology Materials science Biology

The San Andreas Fault Observatory at Depth (SAFOD) scientific drill hole near Parkfield, California, crosses the San Andreas Fault at a depth of 2.7 km. Downhole measurements and analysis of core retrieved from Phase 3 drilling reveal two …

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