Issues

ARTICLES
Performance of Earthquake Early Warning Systems during the 2016–2017 5–6.5 Central Italy Sequence
Seismotectonics of the 2016 M 6.2 Hutubi Earthquake: Implications for the 1906 M 7.7 Manas Earthquake in the Northern Tian Shan Belt, China
Ground Motion from 1.5 to 3.8 Induced Earthquakes at Hypocentral Distance < 45 km in the Montney Play of Northeast British Columbia, Canada
The 2 October 1847 5.7 Chapala Graben Triggered Earthquake (Trans‐Mexican Volcanic Belt, West‐Central Mexico): Macroseismic Observations and Hazard Implications
The Station Information System (SIS): A Centralized Repository for Populating, Managing, and Distributing Metadata of the Advanced National Seismic System Stations
Equidistant Spectral Lines in Train Vibrations
Low‐Frequency Tilt Seismology with a Precision Ground‐Rotation Sensor
Enhanced Global Seismic Resolution Using Transoceanic SMART Cables
The Site Characterization Scheme of the INGV Strong Motion Database (ISMD): Overview and Site Classification
Earthquake Early Warning ShakeAlert System: West Coast Wide Production Prototype
Earthquake Early Warning ShakeAlert System: Testing and Certification Platform
Assessing Earthquake Hazard Map Performance for Natural and Induced Seismicity in the Central and Eastern United States
Considerations in Comparing the U.S. Geological Survey One‐Year Induced‐Seismicity Hazard Models with “Did You Feel It?” and Instrumental Data
Felt Reports for Rapid Mapping of Global Earthquake Damage: The Doughnut Effect?
Nonparametric Aftershock Forecasts Based on Similar Sequences in the Past
ELECTRONIC SEISMOLOGIST
The Gem Infrasound Logger and Custom‐Built Instrumentation
Fast Matched Filter (FMF): An Efficient Seismic Matched‐Filter Search for Both CPU and GPU Architectures
EQcorrscan: Repeating and Near‐Repeating Earthquake Detection and Analysis in Python
GITANES: A MATLAB Package for Estimation of Site Spectral Amplification with the Generalized Inversion Technique
HISTORICAL SEISMOLOGIST
A Nineteenth‐Century National Prussian Macroseismic Questionnaire
The Historical Seismicity of the Loreto Region, Baja California Peninsula, Mexico (1684–1878)
COMMUNICATING SCIENCE
Using the Media Epicenter to Talk about the Seismological Epicenter
SSA ANNUAL MEETING ANNOUNCEMENT
2018 Seismology of the Americas Meeting Announcement
EASTERN SECTION
Relative Location Analysis and Moment Tensor Inversion of the 2012 Gulf of Maine Earthquake Swarm
Crustal Structure, Intraplate Seismicity, and Seismic Hazard in the Mid‐Atlantic United States
Probabilistic Seismic and Liquefaction Hazard Analysis of the Mississippi Embayment Incorporating Nonlinear Effects
EASTERN SECTION MEETING REPORT
2017 Eastern Section SSA Annual Meeting Report
MEETING CALENDAR
Meeting Calendar
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Cover Image
Cover Image
Front: Earthquake early warning (EEW) can give people, as well as mechanical and electrical systems, up to tens of seconds to take protective actions before peak earthquake shaking arrives at a location. Since 2006, the U.S. Geological Survey has been working in collaboration with several partners to develop ShakeAlert, an EEW system for the United States. Kohler et al. (this issue) documents ShakeAlert’s West Coast wide production prototype; Cochran et al. (this issue) presents the prototype’s testing and certification platform. An example of the ShakeAlert user display is shown along with a schematic of the prototype system components.Back: Anderson et al. (this issue) describe “the Gem,” a customized infrasound geophysical logger designed and built to be low-cost, portable, and easy-to-use. They also discuss the various uses they’ve found for it, including projects on volcanoes, in high-altitude balloons, and along rivers. Their bottom line: “[W]e demonstrate that when needed, scientists can feasibly design and build their own specialized instruments, and that doing so can enable them to record more and better data at a lower cost.”
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