A team develops the first region-specific hybrid ground-motion model designed for potential injection-induced seismicity at the Prinos CO2 storage site in northern Greece. Find out more, in #BSSA. ⚒️

Learn more about our #OA short-form journal, ranked 6 of 103 journals in the #geochemistry and #geophysics category! buff.ly/i7MnmJo ⚒️

In a new #SRL paper, scientists report seismic impulsive waveforms detected by a distributed acoustic sensing system deployed in a borehole in Taiwan, immediately following a cloud-to-ground strike time, which may be induced by the lightning. ⚒️ 
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🌟 OPEN ACCESS 📣 PRESS RELEASE 🌟 The July 2025 magnitude 8.8. Kamchatka megathrust earthquake extended about 500 kilometers from its epicenter, according to new research published in #TSR. Find out more in the paper and press release! ⚒️ Press release: buff.ly/9N1KoF2 Paper: buff.ly/CLYgQFQ

🌟 OPEN ACCESS 🌟Azimuthal Directivity Evident in the Regional Amplitude and Duration of Ground Motions from the 2025 Mw 7.7 Mandalay Earthquake ⚒️ Scientists reveal a pronounced azimuthal pattern. It suggests upershear-related directional effects may persist regionally. buff.ly/vZO8thg

The FaultScan Long‐Term Dense Nodal Array to Study the San Jacinto Fault (Southern California) #SRL ⚒️ The FaultScan project established the first long‐term, dense array along the San Jacinto fault. 
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🚨 Deadline for Nominations Extended to 26 July 🚨 The Bruce Bolt Medal recognizes individuals who have promoted the use of #strong-motion #earthquake data and leadership in the transfer of scientific and engineering knowledge into practice or policy to improve #seismic safety. buff.ly/S4qhccD ⚒️

What can gravity data tell us about the 2020 magnitude 5.1 Sparta, North Carolina earthquake, and more generally, about intraplate earthquakes? Find out, in #SRL ⚒️

In a new #SRL paper, scientists use seismic and acoustic records to determine timing and yield of a deadly explosion that occurred in October of 2025 in Humphreys County, Tennessee. ⚒️ 
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🌟 OPEN ACCESS 🌟 Ground‐Motion Model for Reference Hard‐Rock Conditions in the Euro‐Mediterranean Context by GIT‐Based Site‐Response Deconvolution #BSSA ⚒️ How do you derive a ground-motion model with reference hard-rock conditions considering limited recordings of such conditions? 
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Applications are OPEN for SSA's Global #Travel #Grants program! These grants provide up to $2,500 to help student and early-career members attend any #seismology-related conferences or workshops worldwide. Apply by 31 July: buff.ly/iiHfD3F ⚒️

🌟 OPEN ACCESS 🌟 Studying earthquake source properties? Check out this new #BSSA paper, which introduces the normalized frequency index, used to quantify relative source properties. ⚒️ buff.ly/NVRf1ix

In a new #BSSA paper, scientists present a new ground‐motion prediction model for central Italy that leverages an extensive strong-motion dataset. ⚒️

🌟 OPEN ACCESS 🌟 Seismic Recovery of Acoustic Source Height During the OSIRIS‐REx Sample Return Capsule Re‐Entry #TSR ⚒️ Scientists use seismic data to trace the height of an incoming interplanetary capsule. buff.ly/iXhCVHd

🌟 OPEN ACCESS 🌟 Active‐Source Environmental Seismology #SRL ⚒️ Most environmental seismology studies use passive-source seismology. How can active-source seismology improve imaging of the critical zone? 
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In a rift structure within India’s Eastern Dharwar Craton called the Godavari graben, an earthquake with local magnitude of 5.0 occurred in 2024. Scientists investigate this event in a new #SRL paper.⚒️

In a new #SRL paper, scientists use seismology to illuminate lithospheric deformation beneath the incipient Okavango Rift Zone. ⚒️

In Memoriam: Jeff W. Given (1952–2025) #SRL ⚒️ Jeff Given, recipient of the Seismological Society of America‘s Frank Press Public Service Award in 2025, passed away October 21, 2025 in Seattle, Washington. buff.ly/ntdD3Z8

2019 Ridgecrest Earthquake Rupture Reproduced by Low‐Cost Discrete Fault Simulation #SRL ⚒️ Exploring complex fault geometry using simplified earthquake simulators could be cheaper and improve the process in other ways. 
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A fiber-optic strainmeter and pore-pressure gauges recorded tidal and tsunami responses during the first 2 years of observation at Nankai Trough. #BSSA ⚒️

In a new #SRL paper, scientists address challenges associated with single-station, three-component seismic localization using a #DeepNeuralNetwork based approach. ⚒️

Fast Propagation of Epistemic Uncertainty in Seismic Hazard via Adaptive Importance Sampling #BSSA ⚒️ A new framework can efficiently compute accurate mean and fractile hazards. 
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Lightning‐Induced Implosive Microseismic Events at Depth Detected by Downhole Distributed Acoustic Sensing in Taiwan #SRL ⚒️ What’s the seismic signature of cloud-to-ground lightning? buff.ly/ZQZtntE

New work documents offset along the 2025 magnitude 7.7 Mandalay earthquake rupture, and confirms the presence of continuous, narrow rupture with coseismic slip peaking at about 4.6 meters across the rupture. #SRL ⚒️

In a new #BSSA paper, scientists develop the first physics‐guided hybrid ground‐motion model for the Prinos CO2 storage site in northern Greece. ⚒️

Ranked 6 out of 103 journals in the #geochemistry and #geophysics category! buff.ly/i7MnmJo ⚒️

Rapid Analyses of Sparse Seismoacoustic Data Reveals the Timing and Size of the Accurate Energetic Systems Explosion #SRL ⚒️ Scientists determine details of an explosion that occurred in Tennessee in 2025. buff.ly/zeXayzn

🌟 OPEN ACCESS 🌟The Digital Archivist: Automating Legacy Macroseismic Data Processing Using Large Language Models #SRL ⚒️ Researchers used a large language model to extract data to create a shaking intensity map for a 70-year old earthquake. Press release: buff.ly/jgD5u1q Paper: buff.ly/5zbjMza

Planning a small scientific #conference, workshop or event? Open to all SSA members, Community #Grants provide up to $5,000 to support opportunities for knowledge-sharing, skills training and broader global participation in #seismology. Apply by 31 July: buff.ly/cKOmENL ⚒️

In Memoriam: Agustín Udías (1935–2026) On May 4, 2026, the seismological community lost one of its leading figures: Augustín Udías. For a thoughtful summary of his accomplishments, please visit #SRL. buff.ly/N2sdoxN

A scientist developed a deep neural network model that estimates ground-motion intensities. The model was compared with observations from the 2024 magnitude 7.5 Noto peninsula earthquake in Japan. #BSSA ⚒️

In a new #SRL paper, a scientist uses gravity data to explore the subsurface lithology of the region that hosted the 2020 magnitude 5.1 Sparta, North Carolina earthquake. ⚒️

Seismograms suggest that in Italy, a magnitude 5.0 event comprised a double-rupture source. Two earthquakes in one! #SRL ⚒️ buff.ly/XaFujEu

🌟 OPEN ACCESS 🌟 In a new #BSSA paper, scientists quantify differences in the spectra used to understand variations in high-frequency radiation by modifying the frequency index. They introduce the normalized frequency index, and apply it to Ridgecrest aftershocks. ⚒️

Exploring Spatiotemporal Variability of Ground Motion Through Nonergodic Modeling in Central Italy #BSSA ⚒️ How can incorporating a strong-motion dataset improve ground-motion prediction models? buff.ly/kEqcXgF

In a new #BSSA paper, scientists test the hypothesis that the fault system responsible for the 2016–2017 Amatrice, Italy sequence behaved as an impermeable seal, pressurizing fluids until rupture triggered widespread fluid diffusion. ⚒️ buff.ly/QV1vv96

In a new #SRL paper, scientists investigated the source characteristics and focal mechanism of a 2024 earthquake with local magnitude of 5.0 that occurred in the Mulugu district of Telangana, India. ⚒️ buff.ly/2rm5cdF

Lithospheric Deformation Beneath the Incipient Okavango Rift Zone Revealed by Three‐Dimensional Seismic Velocity Inversion #SRL ⚒️ A 3D lithospheric shear‐wave velocity model helps scientists explore one of the youngest rift zones on Earth. buff.ly/z518Ht6

The 2025 Myanmar earthquake may have loaded the northern and southern tips of the recent rupture, and pushed several adjacent faults closer to failure, according to a new #SRL paper. ⚒️ buff.ly/iB1Vgnr

In a new #BSSA paper, scientists installed a borehole strainmeter and pore pressure gauges in a deep-seafloor borehole observatory located at the Nankai trough subduction zone. ⚒️

Single‐Station Three‐Component Seismic Event Localization Using Deep Neural Networks #SRL ⚒️ Typical single-station 3-component event localization has critical limitations that deep neural networks can potentially address. buff.ly/exUSmkF

Compared with sites in Japan—where nonlinear site effects have been studied in detail—southeastern Türkiye appears more susceptible to frequency shifts under strong ground motion. Find out more, in #BSSA ⚒️ buff.ly/zfAniQN

In a new #SRL paper, scientists use field surveys and remote sensing data to confirm and further explorer details of the magnitude 7.7 Mandalay, Myanmar earthquake. ⚒️

Hybrid Ground‐Motion Model for Potential Induced Seismicity at the Prinos Storage Site (Northern Greece) #BSSA ⚒️ Tectonic-based ground-motion models may not be applicable for understanding induced seismicity. buff.ly/TRQhXUd

🌟 OPEN ACCESS 🌟 In a new #SRL paper, scientists used satellite data to investigate coseismic and early postseismic deformation associated with the 2025 magnitude 7.1 Tingri (South Tibet) Earthquake. ⚒️ buff.ly/Rc3s0n1

⚒️ When you register for SSA's #Optical #Seismology topical meeting, don't forget to sign up for our #DAS workshop and #volcano field seminar! 🌟 Meeting registration: buff.ly/xpM53IB 💫🌋 DAS workshop and Field Seminar: buff.ly/FF5Wd9j

In a new #BSSA paper, a scientist retrains a deep neural network-based ground-motion model and considers its applicability to the 2024 magnitude 7.5 Noto Peninsula earthquake in Japan. ⚒️

Lithologic Controls on the 2020 5.1 Sparta, North Carolina (USA), Earthquake Illuminated by a Gravity Investigation of the Little River Fault and Epicentral Zone #SRL ⚒️ Do gravity highs tell us something about where intraplate faults may be locked? buff.ly/iOnbWXA

An analysis of the BEFORES algorithm within the ShakeAlert system, published in #BSSA, indicates that BEFORES could provide additional warning time, although at current thresholds it would alert large geographic regions that did not feel strong shaking. ⚒️ buff.ly/HdA5U9l

In a new #SRL paper, scientists explore a magnitude 5.0 earthquake that struck Calabria, Italy. This event appears to have been a double-rupture event, with an initial M4.4 event followed 1.1 seconds later by a stronger event. ⚒️ buff.ly/XaFujEu