Locating induced earthquakes with a network of seismic stations in Oklahoma via a deep learning method

X Zhang, J Zhang, C Yuan, S Liu, Z Chen, W Li - Scientific reports, 2020 - nature.com
The accurate and automated determination of small earthquake (ML< 3.0) locations is still a
challenging endeavor due to low signal-to-noise ratio in data. However, such information is …

Causal factors for seismicity near Azle, Texas

MJ Hornbach, HR DeShon, WL Ellsworth… - Nature …, 2015 - nature.com
In November 2013, a series of earthquakes began along a mapped ancient fault system
near Azle, Texas. Here we assess whether it is plausible that human activity caused these …

Earthquake location methods

E Karasözen, B Karasözen - GEM-International Journal on …, 2020 - Springer
Earthquake location is a well-defined inverse problem to which the mathematical
fundamentals of existing methodologies were established nearly a century ago. However, in …

Newly emerging cases of hydraulic fracturing induced seismicity in the Duvernay East Shale Basin

R Schultz, R Wang - Tectonophysics, 2020 - Elsevier
Hydraulic fracturing (HF) in the Duvernay Formation near Fox Creek, Alberta, Canada, has
produced some of the most prolific clusters of induced seismicity. In this paper, we describe …

Hydraulic fracturing and the Crooked Lake sequences: Insights gleaned from regional seismic networks

R Schultz, V Stern, M Novakovic… - Geophysical …, 2015 - Wiley Online Library
Abstract Within central Alberta, Canada, a new sequence of earthquakes has been
recognized as of 1 December 2013 in a region of previous seismic quiescence near …

Fluid Injection and Seismic Activity in the Northern Montney Play, British Columbia, Canada, with Special Reference to the 17 August 2015  4.6 Induced …

AB Mahani, R Schultz, H Kao… - Bulletin of the …, 2017 - pubs.geoscienceworld.org
In this article, we analyzed the recent seismic activity in the northern Montney Play of British
Columbia in 2015 and its connection with fluid injection (hydraulic fracturing and long‐term …

Seismicity and one‐dimensional velocity structure of the Himalayan collision zone: Earthquakes in the crust and upper mantle

G Monsalve, A Sheehan… - Journal of …, 2006 - Wiley Online Library
Earthquakes beneath the Himalayan collision zone occur at depths between near surface
and around 100 km below sea level. After relocating earthquakes with two one‐dimensional …

An investigation of seismicity clustered near the Cordel Field, west central Alberta, and its relation to a nearby disposal well

R Schultz, V Stern, YJ Gu - Journal of Geophysical Research …, 2014 - Wiley Online Library
Historically, seismicity documented in the Western Canada Sedimentary Basin has been
relatively quiescent and earthquakes are usually restricted to the foreland belt of the Rocky …

Mode of slip and crust–mantle interaction at oceanic transform faults

VM Kuna, JL Nábělek, J Braunmiller - Nature Geoscience, 2019 - nature.com
Oceanic transform faults, connecting offset mid-ocean spreading centres, rupture quasi-
periodically in earthquakes up to about magnitude M 7.0 that are often preceded by …

Low‐magnitude seismicity with a downhole distributed acoustic sensing array—Examples from the FORGE geothermal experiment

A Lellouch, R Schultz, NJ Lindsey… - Journal of …, 2021 - Wiley Online Library
We show the capabilities of a downhole distributed acoustic sensing (DAS) array in
detecting, locating, and characterizing low‐magnitude earthquakes occurring in the vicinity …