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Contents

Opinion: NEHRP Turns 40
[Public Link]
W. Leith

Electronic Seismologist: On-Demand Custom Broadband Synthetic Seismograms
Lion Krischer, Alexander R. Hutko, Martin van Driel, Simon Stähler, Manochehr Bahavar, Chad Trabant, and Tarje Nissen-Meyer
Ⓔ Electronic Supplement: Interactive Jupyter notebooks.

Electronic Seismologist: Seismic Noise Correlation on Heterogeneous Supercomputers
Andreas Fichtner, Laura Ermert, and Alexey Gokhberg

Electronic Seismologist: M-Split: A Graphical User Interface to Analyze Multilayered Anisotropy from Shear-Wave Splitting
Bizhan Abgarmi and A. Arda Özacar

Historical Seismologist: A Bottle that Survived Two Earthquakes?
Klaus-G. Hinzen, Sharon K. Reamer, and Bill Lindsey

Historical Seismologist: Reappraisal of the Seismicity of the Southern Edge of the Mitidja Basin (Blida Region, North-Central Algeria)
Assia Harbi, Amal Sebaï, Yasmina Rouchiche, Said Maouche, Farida Ousadou, Khadidja Abbès, Dalila Ait Benamar, and Manel Benmedjber
Ⓔ Electronic Supplement: Questionnaire for the observation of earthquakes and case histories for main earthquakes of the Blida region.

Historical Seismologist: Maximum Observed Intensity Map for the Azores Archipelago (Portugal) from 1522 to 2012 Seismic Catalog
João Fontiela, Mourad Bezzeghoud, Philippe Rosset, and Francisco Cota Rodrigues
Ⓔ Electronic Supplement: List of the earthquakes that were used to draw the maximum observed intensity (MOI) map for the Azores archipelago.

Data Mine: Southern Alaska Lithosphere and Mantle Observation Network (SALMON): A Seismic Experiment Covering the Active Arc by Road, Boat, Plane, and Helicopter
Carl Tape, Douglas Christensen, Melissa M. Moore-Driskell, Justin Sweet, and Kyle Smith
Ⓔ Electronic Supplement: Seismic spectra, noise, seismograms, and duration estimates.

Focus Section on the 3 September 2016 Pawnee, Oklahoma, Earthquake

Preface to the Focus Section on the 3 September 2016 Pawnee, Oklahoma, Earthquake
Xiaowei Chen and Norimitsu Nakata

Induced Seismicity in Oklahoma Affects Shallow Groundwater
Chi-Yuen Wang, Michael Manga, Manoochehr Shirzaei, Matthew Weingarten, and Lee-Ping Wang
Ⓔ Electronic Supplement: Figures of barometric pressure and water level in wells, coseismic static strain, and water-level change.

Poroelastic Properties of the Arbuckle Group in Oklahoma Derived from Well Fluid Level Response to the 3 September 2016 M_w 5.8 Pawnee and 7 November 2016 M_w 5.0 Cushing Earthquakes
Kayla A. Kroll, Elizabeth S. Cochran, and Kyle E. Murray
Ⓔ Electronic Supplement: Overview map of the region of interest in Oklahoma along with seismicity, well completion diagrams, sensitivity of the root mean square (rms) error to the input parameters, and tables showing the best-fitting source and poroelastic parameters.

Surface Deformation of North-Central Oklahoma Related to the 2016 M_w 5.8 Pawnee Earthquake from SAR Interferometry Time Series
Eric J. Fielding, Simran S. Sangha, David P. S. Bekaert, Sergey V. Samsonov, and Jefferson C. Chang
Ⓔ Electronic Supplement: Figures showing alternative slip model for the Pawnee mainshock, data fit for the alternative slip mode, probability density functions for the smoothing factors of the alternative slip model, and outputs of the Generic Interferometric Synthetic Aperture Radar (InSAR) Analysis Toolbox (GIAnT) time-series analysis.

Geodetic Slip Model of the 3 September 2016 M_w 5.8 Pawnee, Oklahoma, Earthquake: Evidence for Fault-Zone Collapse
Fred F. Pollitz, Charles Wicks, Martin Schoenball, William Ellsworth, and Mark Murray
Ⓔ Electronic Supplement: Table of relocated seismicity, ascending orbit interferograms, and figures of slip inversion results.

Rupture Process of the M_w 5.8 Pawnee, Oklahoma, Earthquake from Sentinel-1 InSAR and Seismological Data
Raphaël Grandin, Martin Vallée, and Robin Lacassin

Brune Stress Parameter Estimates for the 2016 M_w 5.8 Pawnee and Other Oklahoma Earthquakes
Chris H. Cramer
Ⓔ Electronic Supplement: Figures showing tangential velocity spectra for four Oklahoma M_w 5 earthquakes.

Near-Surface Electrical Resistivity Investigation of Coseismic Liquefaction-Induced Ground Deformation Associated with the 2016 M_w 5.8 Pawnee, Oklahoma, Earthquake
Folarin Kolawole, Estella A. Atekwana, and Ahmed Ismail

Coulomb Stress Interactions during the M_w 5.8 Pawnee Sequence
Colin Pennington and Xiaowei Chen
Ⓔ Electronic Supplement: Figures of focal mechanism, maximum coulomb failure stress change, and percentage of events that experienced positive and negative shear stress, and an earth- quake catalog.

Foreshock Seismicity Suggests Gradual Differential Stress Increase in the Months Prior to the 3 September 2016 M_w 5.8 Pawnee Earthquake
Jacob I. Walter, Jefferson C. Chang, and Peter J. Dotray
Ⓔ Electronic Supplement: Frequency-magnitude plot, b-value plots, and plot of cumulative earthquakes and cumulative seismic moment for matched-filter earthquake catalogs.

The Effects of Varying Injection Rates in Osage County, Oklahoma, on the 2016 M_w 5.8 Pawnee Earthquake
Andrew J. Barbour, Jack H. Norbeck, and Justin L. Rubinstein
Ⓔ Electronic Supplement: Animations of the evolution of pore pressure, vertical displacement, and cylindrical tensor strains in the injection simulation domain, and a set of input commands for running simulation A using poel in ASCII format.

A Slip Gap of the 2016 M_w 6.6 Muji, Xinjiang, China, Earthquake Inferred from Sentinel-1 TOPS Interferometry
Wanpeng Feng, Yunfeng Tian, Yong Zhang, Sergey Samsonov, Rafael Almeida, and Peng Liu

High-Precision Analysis of an Aftershock Sequence Using Matched-Filter Detection: The 4 May 2015 M_L 6 Wanaka Earthquake, Southern Alps, New Zealand
Emily Warren-Smith, Calum J. Chamberlain, Simon Lamb, and John Townend
Ⓔ Electronic Supplement: Catalog of detected aftershocks for the 4 May 2015 Wanaka earthquake

Depths of Earthquakes in South Africa
Azangi Mangongolo, Fleur O. Strasser, Ian Saunders, and Ganesh W. Rathod
Ⓔ Electronic Supplement: Tables of instrumentally determined depths of tectonic earthquakes in South Africa published in the literature and depths of mining-related events with focal mechanism solution.

Fast Discrimination of Local Earthquakes Using a Neural Approach
Flora Giudicepietro, Antonietta M. Esposito, and Patrizia Ricciolino

The Purpose and Definition of the Minimum Magnitude Limit in PSHA Calculations
Julian J. Bommer and Helen Crowley

Comparing Direct Observation of Strain, Rotation, and Displacement with Array Estimates at Piñon Flat Observatory, California
Stefanie Donner, Chin-Jen Lin, Céline Hadziioannou, André Gebauer, Frank Vernon, Duncan Carr Agnew, Heiner Igel, Ulrich Schreiber, and Joachim Wassermann

Forecasting of a Large Earthquake: An Outlook of the Research
Yosihiko Ogata

Conjugate Faulting in the Wabash Valley Fault Zone Exhibited by the 20 November 2012 m_b 3.6 Earthquake, a Mt. Carmel Late Aftershock
James A. Conder and Carlos A. Arciniegas