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ISSN: 1674-4519
CN: 11-5695/P
e-ISSN: 1867-8777

Tectonic characteristics and activity history of the Dingmu Co fault-bounded basin in southern Xizang and its implications for the earthquake deformation zone of the MS6.8 Dingri earthquake on January 7, 2025

The MS6.8 earthquake that struck Dingri County on January 7, 2025, has prompted extensive investigations into its post-seismic hazards, focal mechanism, and seismogenic structure. However, the absence...

Detailed seismic zoning maps of the Turkestan region of Kazakhstan

Owing to Kazakhstan’s transition to new construction standards that align with Eurocode 8, detailed seismic zoning (DSZ) maps of the country are necessary to assess seismic hazards using modern methods....

Quantitative evidence of noise suppression in a ∼2 km borehole in Changde, China, and its observational advantages

By effectively isolating noise, deep borehole seismic observations offer clear advantages related to signal identification and seismic source research. However, quantitative assessments of noise reduction...

Integrating surface and borehole sensing for accurate microseismic localization: A velocity-model-free deep learning approach

With the increase in production depth and pressure, microseismic monitoring and location technology has become particularly important for ensuring the safety of oil and gas production. Therefore, we...

Seismic activity characteristics of the Sichuan-Yunnan region revealed by data fusion

Accurate characterization of regional seismic activity is crucial for assessing earthquake hazards. Seismic activity depends on multiple factors, including tectonic loading, fault geometry and distribution,...

Kinematic and structural analysis of the East Anatolian Fault System using InSAR and gravity: Insights from the 2023 earthquakes

On February 6, 2023, a catastrophic sequence of earthquakes struck southeastern Türkiye and northern Syria along the East Anatolian Fault System (EAFS), culminating in one of the most destructive seismic...

Seismic hazards analysis for the Qiongdongnan segment of the Continental Slope Fault Zone in northern South China Sea from dynamic rupture models: Implications for earthquake-induced landslides and tsunamis

Marine earthquakes are extremely dangerous. The Qiongdongnan (QDN) segment of the Continental Slope Fault Zone (CSFZ) in the northern South China Sea poses seismic risks that may trigger submarine landslides...

Focal mechanism and radiated energy determination of the MS7.9 earthquake in Myanmar on March 28, 2025

On March 28, 2025, an MS7.9 earthquake occurred in the Himalayan-Myanmar Arc at the junction of the Indian Plate and the Eurasian Plate. Utilizing broadband waveform data provided by the Global Seismographic...

Precursory changes in seismic processes before the 2025 MW7.7 Myanmar earthquake revealed in the equivalent dimension space

We used the seismic regularity and seismic strain dynamics coefficients to investigate the seismic process preceding the 2025 M7.7 Myanmar earthquake, which ruptured the central portion of the Sagaing...

Surface rupture process of the Sagaing Fault during the 2025 MW7.7 Myanmar earthquake revealed by video-based optical flow analysis

On March 28, 2025, a MW7.7 earthquake ruptured the Sagaing Fault in Myanmar, producing a more than 400 km of surface rupture. A surveillance camera at the Great Success Energy site, located approximately...

Seismic event classification in North China based on machine learning

Automated classification of seismic events is critical for earthquake monitoring and explosion detection, particularly in tectonically active regions, such as North China, where the waveform features...

Three-dimensional S-wave azimuthal anisotropy reveals mantle flows in the central and eastern North China Craton

The subduction and rollback of the Western Pacific Plate and expansion of the Qinghai-Xizang Plateau have significantly influenced the tectonic evolution of the North China Craton (NCC). However, the...

Moment magnitude of Myanmar earthquake on March 28, 2025 from long-period seismic coda

On March 28, 2025, a large earthquake struck central Myanmar and caused massive damage and casualties. The magnitude of the mainshock is a fundamental parameter that both the general public and scientific...

Source parameters of the 2023 ML 6.4 Jajarkot earthquake in the western Nepal seismic gap zone

The 2023 local magnitude (ML) 6.4 Jajarkot earthquake was the most destructive event to occur in the source region of the 1505 MW8.2 Lo Mangthang Mustang earthquake in western Nepal. Here we used local...

Aftershock characteristics of the MW7.7 Myanmar earthquake, March 2025

On March 28, 2025, a MW7.7 earthquake struck central Myanmar. In this study, an aftershock catalog recorded by the Seismic Monitoring Center of the Thailand Meteorological Department (TMD) was used...

Evidence of transtensional deformation associated with neotectonics: Insights into the velocity structure and source mechanism of Nanga Parbat syntaxis, northwestern Himalayas

A detailed understanding of seismicity originating from the Nanga Parbat syntaxis in the northwestern Himalaya is crucial for characterizing the active fault systems and associated neotectonic processes...

Short-period dense linear array ambient noise tomography of shallow crustal structure across the Haichenghe fault zone, China

The Haicheng region, Liaoning, China, likely hosts a conjugate fault system comprising the NW-trending Haichenghe fault and NE-trending secondary faults. On February 4, 1975, at 19:36 CST, an earthquake...

The fast quality control strategy for P-wave receiver functions based on AlexNet and wiggle plot

This paper proposes a fast quality control strategy for P-wave receiver functions based on AlexNet and wiggle plots. Receiver functions are essential tools in seismology, particularly for analyzing...

Seismotectonic analysis and characterization of seismic source zones in Cameroon, Central Africa

A compilation of databases from Cameroon and neighbouring countries, including seismicity, stress tensor distribution, gravity, magnetic, topography, lithosphere structure and geological data, is used...

Strategic plan for earthquake forecasting in China (2025−2035): A brief summary

The basic condition of earthquake disasters in China is featured by high frequency, strong intensity, wide distribution, and heavy losses. Earthquake forecasting plays a critical role in reducing seismic...

Waveform-matching reverse time migration for local earthquakes

With the increasing use of passive seismic data, developing seismic reflection imaging methods based on passive data is of considerable practical significance. This study presents a waveform-matching...

Is there accelerated crustal deformation before large earthquakes? A case study of strong intra-plate earthquakes in China

The existence of a detectable precursory phase of fault slip preceding major earthquakes has been a subject of ongoing debate for decades. A recent study (Bletery and Nocquet, 2023) demonstrated exponential...

Probabilistic seismic hazard analysis for the northern segment of the North-South Seismic Belt in China based on improved spatial smoothing and fault source model integration

The northern segment of the North-South Seismic Belt is characterized by intense crustal deformation, well-developed active tectonics, and frequent occurrences of strong earthquakes. Therefore, conducting...

High-resolution 3D shallow crustal structure of Urumqi foreland thrust tectonic belt, northern Tianshan, based on ambient noise tomography

The Urumqi foreland thrust tectonic belt exhibits complex geological structures and strong seismicity. Imaging its shallow crustal structure is of great significance for understanding its tectonic mechanism...

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