As networks become an essential ingredient of modern business and government systems, there is an increasing demand for specialization for network services that can be tailored to the needs of individual organizations, especially for wide-area network connectivity. Currently, Internet service providers can only offer their clients very limited forms of customization simply because existing wide...

An earthquake occurs when rock that has been deformed under stress rebounds elastically along a fault plane (Gilbert, 1884; Reid, 1911), radiating seismic waves through the surrounding earth. Rupture along the entire fault surface does not spontaneously occur at the same time, however. Rather the rupture starts in one tiny area, the rupture nucleation zone, and spreads sequentially along the fa...

We modeled the source rupture process of the 20 September 1999 ChiChi, Taiwan, earthquake (Mw 7.6) using an integrated dataset of near-field strong ground motion and Global Positioning System observations. This large inland thrust earthquake produced a surface break more than 80 km long along the Chelungpu fault. The event triggered over 700 strong-motion instruments on the island of Taiwan. Th...

A research has been conducted to estimate earthquake source parameters that occurred on June 3rd, 13th, 18th and 19th, 2008. The data used to determine the parameters of earthquakes source are three components local waveform that are recorded by three MY broadband stations (IPM, KOM and KUM) and PSI, Poseidon. In this research, we report a focal mechanism of events using three components local ...

Fluid-fault interactions result in many two-way coupled processes across a range of length scales, from the micron scale shear zone to kilometer slip patch. The separation and complex coupling render fluid-fault challenging simulate, yet they are key for our understanding experimental data induced seismicity. Here we present spectral boundary-integral solutions in-plane interface sliding openin...

Existing data on source parameters of large crustal earthquakes (subduction events are not considered here) over a wide range of repeat imes indicate that, for a given magnitude (Ms or Mw), earthquakes with long repeat times have shorter fault lengths than those with short repeat imes. A shorter fault length for a given magnitude indicates a larger average stress drop which reflects the average...

[1] We systematically investigate the velocity contrast along the Calaveras fault that ruptured during the 1984 Morgan Hill earthquake using fault zone head waves (FZHW) that refract along the fault interface. We stack waveforms in 353 sets of repeating clusters, and align the peaks or troughs of the direct P waves assuming rightlateral strike-slip focal mechanisms. The obtained velocity contra...

Fault zones are thought to consist of regions with reduced seismic velocity. When sources are located in or close to these low-velocity zones, guided seismic head and trapped waves are generated which may be indicative of the structure of fault zones at depth. Observations above several fault zones suggest that they are common features of near fault radiation, yet their interpretation may be hi...

Abstract Numerical modeling is used to understand the regional scale flow dynamics of fault‐hosted orogenic geothermal system at Grimsel Mountain Pass in Swiss Alps. The model calibrated against observations from thermal springs discharging a tunnel some 250 m underneath derive estimates for bulk permeability fault. Simulations confirm that without fault as hydraulic conductor would not exist. ...

In this paper, we propose a novel test technique for fault detection and automated fault diagnosis using pole/zero analysis of embedded integrated passive. For pole/zero analysis, an ensemble of circuits obtained by perturbing the circuit under test parameters using their known statistical distributions is generated. The poles and zeros of every circuit in this ensemble are extracted. From know...