Issues

Opinion
A Message of Welcome from SSA to Our International Colleagues: Editor’s note: The following was delivered at the SSA Annual Meeting Luncheon, 18 April 2017, in Denver, Colorado.
Measuring the Performance of Ground‐Motion Models: The Importance of Being Independent
The Central Italy Seismic Sequence between August and December 2016: Analysis of Strong‐Motion Observations
A Seismic Intensity Survey of the 1 April 2014 M 8.2 Iquique, Chile, Earthquake and Tsunami, and a Comparison with Strong‐Motion Data
Forecasting the (Un)Productivity of the 2014 M 6.0 South Napa Aftershock Sequence
Waveform‐Relocated Earthquake Catalog for Oklahoma and Southern Kansas Illuminates the Regional Fault Network
A Synoptic View of the Third Uniform California Earthquake Rupture Forecast (UCERF3)
On the Viability of Using Autonomous Three‐Component Nodal Geophones to Calculate Teleseismic Ps Receiver Functions with an Application to Old Faithful, Yellowstone
On the Perception of Audified Seismograms
Preparing for InSight: An Invitation to Participate in a Blind Test for Martian Seismicity
Moment Tensor Inversion Based on the Principal Component Analysis of Waveforms: Method and Application to Microearthquakes in West Bohemia, Czech Republic
Address‐Level Effects in Aguadilla, Puerto Rico, from the 1918 7.3 Earthquake and Tsunami
Development and Application of a Real‐Time Warning System Based on a MEMS Seismic Network and Response Procedure for the Day of the National College Entrance Examination in South Korea
A New Experimental Field Study of the Effects of Explosive Detonation Products on Seismic Radiation
Call for Models—A Test Case for the Source Inversion Validation: The 2014 5.5 Orkney, South Africa, Earthquake
Assessing Ground‐Motion Amplitudes and Attenuation for Small‐to‐Moderate Induced and Tectonic Earthquakes in the Central and Eastern United States
Joint Modeling of Velocity Structure and Hypocentral Locations in the Seismically Active Kachchh, Saurashtra, and Narmada Regions of Western India: An Active Intraplate Region
Liquefaction Induced during the 2010–2011 Canterbury, New Zealand, Earthquake Sequence and Lessons Learned for the Study of Paleoliquefaction Features
Assessment of the Spatial Variability of Site Response in Southern Ontario
SSA Election
SSA Election 2018: Members to Vote for SSA Board of Directors
SSA ANNUAL MEETING REPORT
2017 SSA Annual Meeting Report
SSA ANNUAL MEETING ANNOUNCEMENT
2018 Seismology of the Americas Meeting Announcement
MEETING CALENDAR
Meeting Calendar
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Cover Image
Cover Image
Front: Probabilistic forecasting of earthquake-producing fault ruptures informs all major decisions aimed at reducing seismic risk and improving earthquake resilience; the Uniform California Earthquake Rupture Forecast, Version 3 (UCERF3) is the first model to provide self-consistent rupture probabilities over forecasting intervals from less than an hour to more than a century. Field et al. (this issue) provide an overview of UCERF3, illustrate the short-term probabilities with aftershock scenarios, and draw conclusions from the modeling results. Shown here are average earthquake nucleation rates following a magnitude 6.1 event near Parkfield, California (white line), as inferred from 200,000 simulations. Note that the new model (UCERF3-ETAS) exhibits triggering on faults, whereas previous models, such as the ETAS case shown at the upper right, have generally ignored faults. Back: Multiple earthquakes in the 2010–2011 Canterbury, New Zealand, sequence induced liquefaction, providing instruction for how to interpret paleoliquefaction features in the geologic record. The top photo shows a compound sand-silt fissure that formed 30 km southwest of Christchurch during the 22 February 2011 M 6.2 and 13 June 2011 M 6.0 Christchurch earthquakes. The bottom photo shows a sand blow that formed during the 22 February 2011 earthquake mainshock and aftershocks (photos by C. and R. Hardwick). These and other photos, as well as measurements of liquefaction features, can be found in the article and electronic supplement by Tuttle et al. (this issue), providing a unique dataset of liquefaction features formed during a modern earthquake sequence.
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