Results 31 to 40 of about 97,504 (218)

Focal depth determination of earthquakes with M≥2.5 in Jiaokou reservoir area in 2019 by multiple methods

open access: yes地震科学进展, 2023
In this paper, the focal depth of earthquakes with magnitude 2.5 or above in Jiaokou reservoir area in 2019 was determined using the CAP method, the sPL depth phase method and the double difference positioning method.
Xiao Peng, Beilei Zhang
doaj   +1 more source

Limiting the effects of earthquakes on gravitational-wave interferometers

open access: yes, 2017
Ground-based gravitational wave interferometers such as the Laser Interferometer Gravitational-wave Observatory (LIGO) are susceptible to high-magnitude teleseismic events, which can interrupt their operation in science mode and significantly reduce the ...
Biscans, Sebastien   +11 more
core   +1 more source

Earthquake forecasting and its verification [PDF]

open access: yes, 2005
No proven method is currently available for the reliable short time prediction of earthquakes (minutes to months). However, it is possible to make probabilistic hazard assessments for earthquake risk. These are primarily based on the association of small
Holliday, James R.   +4 more
core   +2 more sources

Preliminary risk assessment of earthquake disasters in Ningbo

open access: yes地震科学进展, 2020
Based on the classical model of natural disaster risk assessment and Ningbo’s reality, this paper explores the establishment of an index system for earthquake disaster risk assessment.
Beilei Zhang, Xiao Peng, Haobo Zhou
doaj   +1 more source

Discussion on precise location, focal mechanism and seismogenic mechanism of Jiaokou reservoir earthquakes

open access: yes地震科学进展, 2023
Jiaokou reservoir earthquakes in Ningbo from 2009 to 2021 were relocated using the double difference positioning method. The focal mechanism solutions of large earthquakes were calculated by HASH method.
Beilei Zhang, Xiao Peng
doaj   +1 more source

Probabilistic Analysis of the Economic Impact of Earthquake Prediction Systems [PDF]

open access: yes, 2014
This research initiates from the question of whether or not earthquake prediction systems are actually worth investing in, as the cost of operating such systems is quite large compared to the number of lives which may be saved and, furthermore, false ...
Yuan, Ruyue
core   +2 more sources

Magnitude-Dependent Omori Law: Empirical Study and Theory

open access: yes, 2004
We propose a new physically-based ``multifractal stress activation'' model of earthquake interaction and triggering based on two simple ingredients: (i) a seismic rupture results from activated processes giving an exponential dependence on the local ...
Ouillon, G., Sornette, D.
core   +1 more source

A way to synchronize models with seismic faults for earthquake forecasting: Insights from a simple stochastic model

open access: yes, 2006
Numerical models are starting to be used for determining the future behaviour of seismic faults and fault networks. Their final goal would be to forecast future large earthquakes.
Aki   +93 more
core   +1 more source

Distribution and Characteristics of Damming Landslides Triggered by 1920 M~8 Haiyuan Earthquake, NW China

open access: yesRemote Sensing, 2022
Earthquake-triggered damming landslides threaten downstream residents and affect the regional landscape by disrupting water and sediment fluxes. Therefore, it is essential to study the distribution characteristics and distinctive controlling factors of ...
Weiheng Zhang   +5 more
doaj   +1 more source

Advancements in deep tectonics and dynamic mechanisms beneath the eastern Tibetan Plateau—Inspirations from the 9th and 10th WTGTP Workshops

open access: yes地球与行星物理论评
The Tibetan Plateau, known as the "Roof of the World" , is one of the most tectonically complex areas on Earth. Its deep tectonics and dynamical mechanisms have been the focus of intense research in the fields of deep geophysics and continental dynamics.
Xinyi Li, Shuyu Li, Yuan Gao, Xinyu Xia
doaj   +1 more source

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