Issues

SSA NEWS AND NOTES
A Voice for Seismology: Inside Geo‐CVD
EMERGING TOPICS
Machine Learning in Seismology: Turning Data into Insights
FOCUS SECTION
Preface to the Focus Section on the 6 February 2018 6.4 Hualien, Taiwan, Earthquake
Performance of a Low‐Cost Earthquake Early Warning System (‐Alert) and Shake Map Production during the 2018 6.4 Hualien, Taiwan, Earthquake
Fault‐to‐Fault Jumping Rupture of the 2018 6.4 Hualien Earthquake in Eastern Taiwan
Strong Ground Motion and Pulse‐Like Velocity Observations in the Near‐Fault Region of the 2018 6.4 Hualien, Taiwan, Earthquake
Soil Liquefaction and Ground Settlements in 6 February 2018 Hualien, Taiwan, Earthquake
Aftershock Sequence of the 2018 6.4 Hualien Earthquake in Eastern Taiwan from a Dense Seismic Array Data Set
Rupture Behavior and Interaction of the 2018 Hualien Earthquake Sequence and Its Tectonic Implication
Insights into Seismogenic Deformation during the 2018 Hualien, Taiwan, Earthquake Sequence from InSAR, GPS, and Modeling
Rethinking Seismic Source Model of Probabilistic Hazard Assessment in Taiwan after the 2018 Hualien, Taiwan, Earthquake Sequence
Shallow Fault Rupture of the Milun Fault in the 2018 6.4 Hualien Earthquake: A High‐Resolution Approach from Optical Correlation of Pléiades Satellite Imagery
Coseismic Deformation of the 6 February 2018 6.2 Hualien Earthquake Based on Strong‐Motion Recordings
Coseismic Velocity Variations Associated with the 2018 6.4 Hualien Earthquake Estimated Using Repeating Earthquakes
ARTICLES
Spatiotemporal Analysis of the Foreshock–Mainshock–Aftershock Sequence of the 6 July 2017 5.8 Lincoln, Montana, Earthquake
Static Slip Model of the 2017 5.4 Pohang, South Korea, Earthquake Constrained by the InSAR Data
GPS Measured Response of a Tall Building due to a Distant 7.3 Earthquake
Ground Motions from Induced Earthquakes in Oklahoma and Kansas
Managing Basin‐Scale Fluid Budgets to Reduce Injection‐Induced Seismicity from the Recent U.S. Shale Oil Revolution
Source Characterization of Some Collapse Earthquakes due to Mining Activities in Shandong and Beijing, North China
Bimodal Recurrence Pattern of Tsunamis in South‐Central Chile: A Statistical Exploration of Paleotsunami Data
Accurate Determination of Local Magnitude for Earthquakes in the Western Canada Sedimentary Basin
Continuous Measurement of Stress‐Induced Travel‐Time Variations at SAFOD
Do Low‐Cost Seismographs Perform Well Enough for Your Network? An Overview of Laboratory Tests and Field Observations of the OSOP Raspberry Shake 4D
High‐Resolution Lithospheric Velocity Structure of Continental China by Double‐Difference Seismic Travel‐Time Tomography
Implementation of a Real‐Time System for Automatic Aftershock Forecasting in Japan
Earthquake Catalogs for the USGS National Seismic Hazard Maps
Updated California Aftershock Parameters
A Global Database of Strong‐Motion Displacement GNSS Recordings and an Example Application to PGD Scaling
Possible Site Effects Revealed by Regional Earthquake Records in the Qaidam Basin, China
Quality Analysis of High‐Frequency Air‐Gun Shot Seismic Recordings in the Juan de Fuca Plate
App Earthquake Detection and Automatic Mapping of Felt Area
COMMENT AND REPLY
Comment on “The 21 August 2017 4.0 Casamicciola Earthquake: First Evidence of Coseismic Normal Surface Faulting at the Ischia Volcanic Island” by
Reply to “Comment on ‘The 21 August 2017 4.0 Casamicciola Earthquake: First Evidence of Coseismic Normal Surface Faulting at the Ischia Volcanic Island’ by )” by V. De Novellis, S. Car...
ELECTRONIC SEISMOLOGIST
Super‐Efficient Cross‐Correlation (SEC‐C): A Fast Matched Filtering Code Suitable for Desktop Computers
HISTORICAL SEISMOLOGIST
Should Users Trust or Not Trust Sieberg’s Erdbebengeographie (1932)?
The Tunisian Homogenized Macroseismic Database (Second Century–1981): First Investigations
The Ancient Temples of Kashmir Turned from Marvel to Ruin by Earthquakes? A Case Study of the Pattan Twin Temples (A.D. 883–902)
The 1563 8 Puerto de la Navidad Subduction‐Zone and 1567 7.2 Ameca Crustal Earthquakes (Western Mexico): New Insights from Sixteenth‐Century Sources
COMMUNICATING SCIENCE
Ten Years of the ‘Seismo Blog’
EDUQUAKES
Probability of the Occurrence of Two Significant Earthquakes on the Same Date (of Different Years) Striking the Same Site: The Mexico City Case
DATA MINE
Summary of the North Texas Earthquake Study Seismic Networks, 2013–2018
In Situ Shear‐Wave Velocity Measurements at the Delaney Park Downhole Array, Anchorage, Alaska
The Albuquerque Seismological Lab WWSSN Film Chip Preservation Project
SSA ANNUAL MEETING ANNOUNCEMENT
2019 SSA Annual Meeting Announcement
EASTERN SECTION
Monitoring for Potentially Induced Seismicity in the St. Lawrence Valley of Quebec, Canada, during the Hydraulic Fracturing Operations of 2006–2010
Evidence for Strain Accrual in the Eastern Tennessee Seismic Zone from Earthquake Statistics
EASTERN SECTION MEETING REPORT
2018 Eastern Section SSA Annual Meeting Report
MEETING CALENDAR
Meeting Calendar
IN RECOGNITION
In Recognition
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Cover Image
Cover Image
Front: On 6 February 2018 an Mw 6.4 earthquake shook the city of Hualien in eastern Taiwan, at the leading edge of a modern arc–continent collision. The surface rupture resulted in severe damage to several tall buildings and caused 17 deaths, as well as 289 injuries. Although the Hualien area has one of the highest rates of seismicity in Taiwan, the geologic structures responsible for active deformation were not well understood before this event. The SRL Focus Section on the 6 February 2018 Mw 6.4 Hualien, Taiwan, Earthquake (this issue) presents new data and insights through 11 articles that investigate various aspects of this recent earthquake sequence. In this view, Yen et al. (this issue) consider one structural interpretation of the faults involved in the Hualien event’s seismic deformation; the images below, from Wu et al. (this issue), compare shake maps generated from earthquake early warning (EEW) networks in Taiwan, which was one of the first countries in the world to implement EEW.
Back: Before the era of digital seismic data collection began in the late 1970s, an estimated 4 million day-long seismograms were collected through the efforts of the World-Wide Standardized Seismograph Network (WWSSN). About 3.7 million of those seismograms remain archived today in the form of film chips. Alejandro et al. (Data Mine, this issue) document the preservation and cataloging of these records. Among the events recorded on the archived film chips are the 9 February 1971 Mw 6.5 San Fernando, California, earthquake (top); the 27 March 1964 Mw 9.2 Alaska earthquake, an example of a “disappearing trace” due to high-trace velocities (center); and aftershocks of the great Alaskan event that were observed on 28 March 1964 (bottom).
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