Results 61 to 70 of about 36,958 (244)

Radiated Energy from the 16 October 1999 Hector Mine Earthquake: Regional and Teleseismic Estimates [PDF]

Bulletin of the Seismological Society of America, 2002
The amount of seismic energy radiated from an earthquake is a key macroscopic parameter for understanding the physics of earthquakes. To resolve the important details of the earthquake process, we require more accurate estimates of energy than are currently available.
Venkataraman, A., Rivera, Luis, Kanalori, H.   +2 more
openaire   +2 more sources

Performance assessment of a potential underground thermal storage facility: Case study of the closed mine Prosper‐Haniel in the Ruhr coal mining area in Germany

Deep Underground Science and Engineering, EarlyView.
This study demonstrates the feasibility of an underground closed‐loop thermal storage facility at a post‐mining site, intended for seasonal heat energy storage. Its principal design shows water flow directions in winter and summer (1, 2), heat pumps (3), an upper water reservoir (4), and connecting pipes (5).
Dmytro Rudakov, Oleksandr Inkin
wiley   +1 more source

Earthquakes: from chemical alteration to mechanical rupture

, 1998
In the standard rebound theory of earthquakes, elastic deformation energy is progressively stored in the crust until a threshold is reached at which it is suddenly released in an earthquake.
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core   +1 more source

Toy model of accumulation and radiation of strain energy driven by big data of earthquakes

Journal of Physics Communications, 2021
AbstractWe propose the pointwise toy-model, which demonstrates the accumulation and radiation of the (seismic) strain-energy. The calculated absorbed-seismic-energy is mapped to the accumulated strain-energy to balance the radiated strain-energy, because the accumulation of the strain-energy is caused by the subduction of one plate below another plate ...
Katsutoshi Fukuzawa, Ryosuke Yano
openaire   +1 more source

Seismic analysis and design of tunnels within fault ground: A review

Deep Underground Science and Engineering, EarlyView.
The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang, Yujing Jiang, Xuepeng Zhang, Yuyong Jiao, Ningbo Li, Xiao Wang, Bo Li   +6 more
wiley   +1 more source

Quick output parameters related to the 7 January 2025 M6.8 earthquake in Dingri County, Xizang

地震科学进展
At 09:05 on January 7, 2025 (Beijing time), a magnitude 6.8 earthquake occurred in Dingri, Xizang Autonomous Region. The Institute of Geophysics, China Earthquake Administration launched a rapid earthquake emergency response after the earthquake, and ...
Kun Chen, Ting Yang, Yongzhe Wang, Xiangyun Guo, Zhe Zhang, Xu Zhang, Ruifeng Liu   +6 more
doaj   +1 more source

Mine earthquake mechanism of extremely thick strata based on focalmemchanism analysis

Meitan xuebao, 2023
In the Ordos mining area of North China, the Jurassic coal seam is commonly overlain by extremely thick cretaceous sandstone strata. Based on the seismic displacement field and relative moment tensor inversion method, this paper investigates the mine ...
Xianxi BAI, Anye CAO, Yaoqi LIU, Changbin WANG, Xu YANG, Yingchun ZHAO, yao YANG   +6 more
doaj   +1 more source

Thermal‐induced fracture evolution and acoustic signature of Beishan granite: Insights into tensile strength of barrier system for high‐level radioactive waste disposal

Deep Underground Science and Engineering, EarlyView.
The tensile strength of granite, a proposed host for nuclear waste, degrades severely above 400°C. We link this to specific microcracking patterns captured by acoustic emission, establishing a scientific basis for assessing repository safety under thermal load.
Wei Zeng, Shijie Li, Xiaozhao Li, Zhen Huang, Shangtong Yang, Wentao Xu, Biao Wang, Yun Wu   +7 more
wiley   +1 more source

Normal fault earthquakes or graviquakes [PDF]

, 2015
Earthquakes are dissipation of energy throughout elastic waves. Canonically is the elastic energy accumulated during the interseismic period. However, in crustal extensional settings, gravity is the main energy source for hangingwall fault collapsing ...
Carminati, Eugenio Ambrogio Maria, Doglioni, Carlo, Petricca, Patrizio, Riguzzi, F.   +3 more
core   +1 more source

Seismology: energy radiation from the Sumatra earthquake.

Nature, 2005
We determined the duration of high-frequency energy radiation from Indonesia's great Sumatra-Andaman earthquake (26 December 2004) to be about 500 seconds. This duration can be translated into a rupture length of about 1,200 km, which is more than twice as long as that inferred from body-wave analyses performed soon after the event.
Ni, Sidao, Kanamori, Hiroo, Helmberger, Don   +2 more
openaire   +2 more sources