D″ anisotropy inverted from shear wave splitting intensity
April 2022
The D″ layer, located at the bottom of the mantle, is an active thermochemical boundary layer. The upwelling of mantle plumes, as well as possible plate subduction in the D″ layer, could lead to large-scale...
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Crust and upper mantle structure of East Asia from ambient noise and earthquake surface wave tomography
April 2022
The complex tectonic background of East Asia makes it an ideal region for investigating the evolution of the continental lithosphere, for which high-resolution lithospheric structural models are essential....
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High-precision relocation of the aftershock sequence of the January 8, 2022, MS6.9 Menyuan earthquake
April 2022
The 2022 Menyuan MS6.9 earthquake, which occurred on January 8, is the most destructive earthquake to occur near the Lenglongling (LLL) fault since the 2016 Menyuan MS6.4 earthquake. We relocated the...
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Comparison of the earthquake detection abilities of PhaseNet and EQTransformer with the Yangbi and Maduo earthquakes
October 2021
PhaseNet and EQTransformer are two state-of-the-art earthquake detection methods that have been increasingly applied worldwide. To evaluate the generalization ability of the two models and provide insights...
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A reappraisal of active faults in central-east Iran (Kerman province)
April 2022
Fault lineaments are the main input data in earthquake engineering and seismology studies. This study presents a digitally-based active fault map of the Kerman region in central-east Iran which experienced...
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A high-resolution seismic catalog for the 2021 MS6.4/MW6.1 Yangbi earthquake sequence, Yunnan, China: Application of AI picker and matched filter
October 2021
We present a high-resolution seismic catalog for the 2021 MS6.4/MW6.1 Yangbi sequence. The catalog has a time range of 2021-05-01 to 2021-05-28, and contains ~8,000 well located events. It captures...
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Donald V. Helmberger’s art and science of waveforms
February 2022
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Theoretical and quantitative evaluation of hybrid PML-ABCs for seismic wave simulation
April 2022
A good artificial boundary treatment in a seismic wave grid-based numerical simulation can reduce the size of the computational region and increase the computational efficiency, which is becoming increasingly...
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Recent advances in earthquake monitoring I: Ongoing revolution of seismic instrumentation
April 2021
Seismic networks have significantly improved in the last decade in terms of coverage density, data quality, and instrumental diversity. Moreover, revolutionary advances in ultra-dense seismic instruments,...
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Recent advances in earthquake monitoring II: Emergence of next-generation intelligent systems
December 2021
Seismic data processing techniques, together with seismic instrumentation, determine our earthquake monitoring capability and the quality of resulting earthquake catalogs. This paper is intended to...
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Donald V. Helmberger, the master mentor: Testimonials from former international students
February 2022
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Introduction to China’s Earthquake Emergency Response System
October 2021
Following the MS6.4 earthquake that occurred on May 21, 2021 in Yangbi, Yunnan, China, the earthquake emergency response system (EERS) responded immediately. The real-time software delivered many seismic...
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Exploring Earth’s boundaries with Donald V. Helmberger
February 2022
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My seismology journey with Donald V. Helmberger
February 2022
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Graduate studies with Donald V. Helmberger
February 2022
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A grand master of seismology and mentoring
February 2022
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A strange symbiosis: Seismic ray theory and Saturday touch football — Donald V. Helmberger as a graduate advisor
February 2022
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How Donald V. Helmberger inspired me
February 2022
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Recollections of my mentor, Donald V. Helmberger
February 2022
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In memory of Donald V. Helmberger
February 2022
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