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An Attempt Of Earthquake Precursor & Deformation An Attempt Of Earthquake Precursor & Deformation Monitoring By Means Of Real - Time High Rate GPS (CROSBI ID 500328)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Marjanović Kavanagh, Radovan ; Becker, Matthias An Attempt Of Earthquake Precursor & Deformation An Attempt Of Earthquake Precursor & Deformation Monitoring By Means Of Real - Time High Rate GPS // 13^th World Conference on Earthquake Engineering 13wcee - Vancouver , Canada. 2004

Podaci o odgovornosti

Marjanović Kavanagh, Radovan ; Becker, Matthias

engleski

An Attempt Of Earthquake Precursor & Deformation An Attempt Of Earthquake Precursor & Deformation Monitoring By Means Of Real - Time High Rate GPS

Until recently deformation monitoring was usually done by periodic geodetic position measurements of discrete points, which served for the determination of time dependent vectors. Alternative techniques with continuous data even in real-time using different electronic sensors, like extensometers or tilt meters, do not give the complete information about deformations with respect to a large scale reference frame. The only solution was a combination of different measuring techniques, methods and instruments, whereas a complete integration of all sensors into one consistent system is hardly possible. In the last few years GPS instrumentation evolved to a strong and accurate measuring tool. The modern GPS instrumentation allows high precision kinematic applications even in real-time. Additionally, a sampling rate of typical more than 5 Hz allows the use of the system even for applications with high velocities and accelerations. The major advantage of these systems is that they give 3D coordinate information down to millimeter resolution. This paper describes the conceptual design of the installation of a real-time kinematic GPS array on known points (where co-located measurements with other techniques took place) in a region near Zagreb, the capital city of Croatia. This region is known as a local earthquake hazardous region where a series of earthquakes took place during the past. Most of these earthquakes originated in the Earth's crust in depths of about 10-20 km. This very active seismic zone crosses the Mount Medvednica situated at the northern part of Zagreb. The new GPS real-time measuring technique will provide a monitoring and warning capability, which could be very helpful in hazard mitigation. The combination with earlier data of these points with continuous measurements will help to determine the long-term deformation of the local Earth's surface.

Croatia; Zagreb; Mount Medvednica; earthquake precursor; deformation monitoring; GPS; kinematic applications

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Podaci o prilogu

2004.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

13^th World Conference on Earthquake Engineering 13wcee - Vancouver , Canada

Podaci o skupu

13^th World Conference on Earthquake Engineering

poster

01.08.2004-06.08.2004

Vancouver, Kanada

Povezanost rada

Geologija, Geodezija