Results 1 to 10 of about 3,501 (257)

On-Site Earthquake Early Warning Using Smartphones [PDF]

Sensors, 2020
In this study, the measured accelerations of a single smartphone were used to provide an earthquake early warning system. In the presented system, after the smartphone is triggered, the triggering event is then classified as an earthquake event or not ...
Ting-Yu Hsu, C. P. Nieh
doaj   +8 more sources

Crowdsourced earthquake early warning. [PDF]

Sci Adv, 2015
Consumer devices and real and simulated earthquake data demonstrate that earthquake early warning can be achieved via crowdsourcing.
Minson SE, Brooks BA, Glennie CL, Murray JR, Langbein JO, Owen SE, Heaton TH, Iannucci RA, Hauser DL.   +8 more
europepmc   +5 more sources

SharpCEEWPServer: A Lightweight Server for the Communication Protocol of China Earthquake Early Warning Systems [PDF]

Sensors
Several commercial seismometers now support CSTP, the real-time communication protocol used in the China Earthquake Early Warning System, but there is still no simple, flexible, and low-cost solution to archive CSTP streams or integrate them into ...
Li Li, Jinggang Li, Wei Xiang, Zhumei Liu, Wulin Liao, Lifen Zhang   +5 more
doaj   +2 more sources

Simulating human behavior under earthquake early warning [PDF]

Heliyon
Earthquakes are a rapid-onset hazard where advance planning and learning plays a key role in mitigating injuries and death to individuals. Recent advances in earthquake detection have resulted in the development of earthquake early warning (EEW) systems.
Matthew Wood, Sara K. McBride, Xilei Zhao, Dare Baldwin, Elizabeth S. Cochran, Xiaojian Zhang, Nicolas Luco, Ruggiero Lovreglio, Tom Cova   +8 more
doaj   +2 more sources

A simplified method for determining earthquake early warning thresholds in high speed railways [PDF]

Scientific Reports
This study conducts an exploration of determining the earthquake early warning thresholds for high-speed railways. Through shaking table tests and the analysis of two-dimensional and three-dimensional numerical models, an innovative approach to deriving ...
Hao Li, Hongru Zhang, Hua Pan
doaj   +2 more sources

Research on Sparse Denoising of Strong Earthquakes Early Warning Based on MEMS Accelerometers

Micromachines, 2022
In view of the fact that the noise in the same frequency band as the useful signal in the MEMS acceleration sensor observation data cannot be effectively removed by traditional filtering methods, a denoising method for strong earthquake signals based on ...
Jiening Xia, Zhigao Chen, Jiang Yang, Yuxiu Chen, Benyan Tan, Zongxuan Wu   +5 more
doaj   +1 more source

Anomaly trend analysis of satellite thermal infrared and TEC before two strong earthquakes in Turkey on February 6, 2023

地震科学进展, 2023
The two successive earthquakes of magnitude 7.8 in Turkey on February 6, 2023, were a remarkable tectonic movement and a particularly typical scientific experiment scene.
Haocong Tang, Hongyue Liao, Jia Wu, Gang Wang   +3 more
doaj   +1 more source

Quantitative Monitoring of Bolt Looseness Using Multichannel Piezoelectric Active Sensing and CBAM-Based Convolutional Neural Network

Frontiers in Materials, 2021
The bolted connection is widely utilized in engineering to practically and rigidly couple structural components. The integrity of the connection is paramount to the safety of the structure and has prompted the development of many monitoring methods ...
Yixuan Chen, Jian Jiang, Jian Jiang, Xiaojun Qin, Qian Feng, Qian Feng   +5 more
doaj   +1 more source

Experimental Study on Influence of Temperature to Control Performance for Viscoelastic Materials Pounding Tuned Mass Damper

Frontiers in Materials, 2021
The pounding tuned mass damper (PTMD) is a novel passive damper that absorbs and dissipates energy by an auxiliary tuned spring-mass system. Viscoelastic materials are attached to the interface of the limitation collar in the PTMD so that the energy ...
Dehui Ye, Dehui Ye, Jie Tan, Jie Tan, Yabin Liang, Yabin Liang, Qian Feng, Qian Feng   +7 more
doaj   +1 more source

Estimation of Shallow Shear Velocity Structure in a Site with Weak Interlayer Based on Microtremor Array

Applied Sciences, 2022
A site condition survey is extremely important for the seismic fortification of major projects. The distribution of underlying weak interlayer in sites is extremely harmful to buildings.
Cong Jin, Song Lin, Jing Wang, Hongwei Zhou, Miao Cheng   +4 more
doaj   +1 more source