Results 21 to 30 of about 4,166 (255)

INVESTIGATION OF THE DEPENDENCE OF EARTHQUAKE FOCUS COORDINATE DETERMINATION ERRORS ON CALCULATION METHODS (SPHERES AND HYPERBOLOIDS)

Вестник Дагестанского государственного технического университета: Технические науки, 2018
. Objectives This work is a continuation of a series of articles devoted to an analysis of the effect of the utilised second-order surface types on the accuracy of determining earthquake epicentre and hypocentre coordinates. Methods  In order to find the
Gaidarbek K. Aslanov, Tagirbek G. Aslanov, Kurbanmagomed D. Kurbanmagomedov, Boris I. Shakhtarin   +3 more
doaj   +1 more source

Virtual Scenarios of Earthquake Early Warning to Disaster Management in Smart Cities Based on Auxiliary Classifier Generative Adversarial Networks

Sensors, 2023
Effective response strategies to earthquake disasters are crucial for disaster management in smart cities. However, in regions where earthquakes do not occur frequently, model construction may be difficult due to a lack of training data.
Jae-Kwang Ahn, Byeonghak Kim, Bonhwa Ku, Eui-Hong Hwang   +3 more
doaj   +1 more source

ANOMALOUS ERRORS IN DETERMINING FOCUS COORDINATES EARTHQUAKES AND SUGGESTIONS FOR THEIR ELIMINATION

Вестник Дагестанского государственного технического университета: Технические науки, 2019
Objectives The aim of the study is to develop a method for estimating the speed of seismic waves in different directions of propagation and by taking into account the dimensions of the focus, reducing the error in determining the coordinates of the ...
G. K. Aslanov, T. G. Aslanov, U. A. Musaeva   +2 more
doaj   +1 more source

ANALYSIS OF ERROR DISTRIBUTION DENSITY IN DETERMINING THE COORDINATES OF EARTHING EARTH IN THE METHODS OF SPHERES AND ELLIPSOIDS

Вестник Дагестанского государственного технического университета: Технические науки, 2019
Objectives The purpose of the study is to obtain an expression for determining the coordinates of the earthquake focus using the ellipsoid method, as well as testing the possibility of using the method using the figures of the second order of the ...
T. G. Aslanov, U. A. Musaeva
doaj   +1 more source

DETERMINATION OF EARTHQUAKE FOCUS COORDINATES USING THE CASSINI OVAL METHOD WITH SECOND- AND FOURTH-ORDER HYPERBOLA FIGURES

Вестник Дагестанского государственного технического университета: Технические науки, 2020
Objectives. To study the dependencies obtained when determining the coordinates of an earthquake hypocentre using the figures of fourth and second orders.Method.
B. I. Shakhtarin, T. G. Aslanov, U. R. Tetakaev   +2 more
doaj   +1 more source

Seismic Sensors in Orbit

Eos, 2019
Navigation satellites are enabling high-precision, real-time tracking of ground displacements, supplementing traditional methods for monitoring and assessing earthquakes.
Melbourne, Timothy I., Melgar, Diego, Crowell, Brendan W., Szeliga, Walter   +3 more
openaire   +1 more source

Wireless Geophone Sensing System for Real-Time Seismic Data Acquisition

IEEE Access, 2020
Active seismic surveys, for the exploration of oil and gas reservoirs, are conducted using a huge network of geophone sensors (>10,000) covering a very large area and interconnected using seismic cables.
Hussein Attia, Sagiru Gaya, Abdullah Alamoudi, Fahad M. Alshehri, Abdulrahman Al-Suhaimi, Nawaf Alsulaim, Ahmad M. Al Naser, Mohamad Aghyad Jamal Eddin, Abdullah M. Alqahtani, Jhonathan Prieto Rojas, Suhail Al-Dharrab, Feras Al-Dirini   +11 more
doaj   +1 more source

DEFINITION OF EARTHQUAKE FOCUS COORDINATES USING A COMBINED METHOD

Вестник Дагестанского государственного технического университета: Технические науки, 2017
Objectives. The aim of the study is to determine earthquake hypocentres with the simultaneous use of both the sphere and hyperboloid methods of calculation, providing minimal possible error due to the appropriate choice of seismic sensors.Method.
T. G. Aslanov
doaj   +1 more source

Preliminary assesment of ADIS16470AMLZ sensor for monitoring of seismic activity in mining area

Diagnostyka, 2022
Seismic activity monitoring in the mining exploitation area is an important factor, that has an effect on safety and infrastructure management. The introduction sections presents the outline of mining interference into rock mass structure and selected ...
Michał Śmieja, Jakub Banach, Tomasz Majkusiak, Jacek Rapiński   +3 more
doaj   +1 more source

Application of Collocated GPS and Seismic Sensors to Earthquake Monitoring and Early Warning

Sensors, 2013
We explore the use of collocated GPS and seismic sensors for earthquake monitoring and early warning. The GPS and seismic data collected during the 2011 Tohoku-Oki (Japan) and the 2010 El Mayor-Cucapah (Mexico) earthquakes are analyzed by using a tightly-
Bofeng Guo, Xiaohong Zhang, Xingxing Li
doaj   +1 more source