seismic events
Provision of a New Method to Improve the Detection of Micro Seismic Events
... small-size seismic events with mechanisms and location similar to a near-major ...weak events, they used a modified spectrograph method to identify the ...micro-seizure events that are derived ...
17
Geohazards assessment in longwall coal mining using monitored seismic events
... Routine seismic monitoring in mines enables the quantification of exposure to seismicity and provides a logistical tool to guide the effort into prevention, control and alert of potential rock mass instabilities ...
6
Problems associated with instrument tilts during seismic events
... To obtain the true ground permanent displacement, acceleration time histories has to be estimated by removing the tilt time histories as shown in the figure 10. Performing thereafter double integration of the original ...
9
Statistical distribution of elapsed times and distances of seismic events: the case of the Southern Spain seismic catalogue
... between seismic events occurred in the Southern Iberian Peninsula from 1985 to 2000 (data extracted from the seismic catalogue of the Andalusian In- stitute of Geophysics) are ...consecutive ...
10
Response of the ionospheric electron density to different types of seismic events
... (4) The third step of data processing concerns the final statis- tics with all seismic events. The anomaly extracted from each earthquake in the second step is individual and special. It cannot represent ...
8
Abstract: The detection of seismic events at regional and teleseismic distances is critical to Nuclear
... Figure 2. Top: Layout of the 10 element Makanchi Seismic Array, MKAR, in eastern Kazakhstan. The dashed lines illustrate an incoming teleseismic wave with calculated back-azimuth, θ. Bottom: Seismic ...
17
Using ICA for analysis of seismic events
... Basic seismic data for earthquake engineering is obtained from measurements of tremor during ...The seismic data are sampled over the duration of earthquake and stored in the equipment ...U.S. events ...
8
A Failure Mode Evaluation of a 480V MCC in Nuclear Power Plants at the Seismic Events
... A shaking table test for the evaluation of a functional failure of electric cabinet systems in a NPP was implemented. The 480V MCC was selected for the shaking table test. A US NRC design response spectrum and a Uniform ...
8
Seismicity Study of Botswana from 1966 to 2012
... the seismic activity is attributable to either tectonic boundaries or sedimentary ...of seismic events are also observed in the Nossop Ncojane Basin, within the Passarge Basin and at the south ...
12
Modelling and Analysis of Base Isolated Structures with Friction Pendulum System Considering near Fault Events
... The seismic behavior of base isolated structures with friction pendulum slide bearings devices subjected to near fault events characterized by significant vertical ground motion components is ...on ...
8
Seismogenic zonation and seismic hazard estimates in a Southern Italy area (Northern Apulia) characterised by moderate seismicity rates
... by seismic events of moder- ate energy and has been historically hit by strong earthquakes which in some cases caused disastrous effects with thousands of ...of seismic hazard conducted in Italy at ...
14
Seismo-electromagnetic phenomena in the western part of the Eurasia-Nubia plate boundary
... with seismic activity in the WENP region could emerge and contribute to a better understanding of SEM ...different seismic events, with the atmospheric electrical field and the radon levels; (2) ...
8
Autonomous detection of calving-related seismicity at Kronebreen, Svalbard
... Fig. 3. SOM and clustering of detected seismic events. (a) Unified distance matrix (U-matrix) which reveals data density in input space. Each SOM unit is divided into seven sub-unit. Each sub-unit is ...
14
Modeling of Nucleation and Dynamic Rupture on Heterogeneous Frictional Interfaces with Applications to Foreshocks
... foreshock-like events from other types of ...initiate seismic events on the circular patch of higher normal stress and typically rupture significantly far into the surrounding region, resulting in ...
160
Hydroacoustic monitoring of a salt cavity: an analysis of precursory events of the collapse
... LF events. Particularly the analysis of the LF events led to the identification of two Aev families, here termed “X” events and “seismic” ...“seismic” events occurred during ...
13
Statistical properties of earthquakes clustering
... inter- events times is well described by L´evy ...the seismic events occurrence pattern significantly departs from a Poissonian ...general seismic catalogues are ana- ...of events in ...
6
Development of extensional stresses in the compressional setting of the Himalayan thrust wedge: inference from numerical modelling
... major seismic events and dominant southward thrusting of the overall compressive setting of the Himalaya, but well corre- sponding with the field observations of active faulting in the several sector of ...
14
Dynamics of mild strombolian activity on Mt. Etna
... between very long period seismic events, volcanic tremor, and degassing rates at Mount Etna.. Figure Captions colour on web only.[r] ...
34
Simulation of the long-term behaviour of a fault with two asperities
... Abstract. A system made of two sliding blocks coupled by a spring is employed to simulate the long-term behaviour of a fault with two asperities. An analytical solution is given for the motion of the system in the case ...
8
Downhole Logging as a Paeoceanographic Tool on Ocean Drilling Program Leg 138: Interface Between High-Resolution Stratigraphy and Regional Syntheses
... In the example presented (site 844 in the Guatemala Basin; Figure 6) it is clear that the major seismic events are associated with large contrasts in saturated bulk density that[r] ...
12