A5087322830- earthquake and tectonic studies
- Seismology and Earthquake Studies
- Earthquake Detection and Analysis
- Meteorological Phenomena and Simulations
- Geochemistry and Geologic Mapping
- Geological and Geochemical Analysis
- High-pressure geophysics and materials
- Vibration and Dynamic Analysis
- Geotechnical Engineering and Underground Structures
- Regional Economic and Spatial Analysis
- Seismic Waves and Analysis
- Ultrasonics and Acoustic Wave Propagation
- Geological and Geophysical Studies Worldwide
ETH Zurich
2019-2022
Osservatorio astronomico di Bologna
2019-2020
University of Bologna
2018-2020
Abstract We analyze two high‐quality Southern Californian earthquake catalogues, one with focal mechanisms, to statistically model and test for dependencies of the earthquake‐size distribution, b values, on both faulting style depth. In our null hypothesis, is assumed constant. then develop calibrate based only style, another depth dependence models that assume a simultaneous parameters. new maximum‐likelihood estimator corrected degrees freedom assess models' performances. Our results show...
Research Article| June 05, 2018 Harmonic Fluctuation of the Slope Frequency–Magnitude Distribution (b‐Value) as a Function Angle Rake Antonio Petruccelli; Petruccelli aDipartimento di Fisica e Astronomia, Università Bologna, Viale Berti Pichat 8, I‐40127 Italy, antonio.petruccelli4@unibo.itpaolo.gasperini@unibo.it Search for other works by this author on: GSW Google Scholar Gianfranco Vannucci; Vannucci bIstituto Nazionale Geofisica Vulcanologia, Sezione Via Donato Creti 12, I‐40128...
SUMMARY In a recent work, we computed the relative frequencies with which strong shocks (4.0 ≤ Mw < 5.0), widely felt by population were followed in same area potentially destructive main (Mw ≥ 5.0) Italy. Assuming stationarity of seismic release properties, such can be tentatively used to estimate probabilities after occurrence future shocks. This allows us set up an alarm-based forecasting hypothesis related foreshocks occurrence. Such is tested retrospectively on data homogenized...
Windstorms are one of the most destructive natural disasters in Europe, causing considerable human and economic impacts, ranging from fatalities injuries to damage agriculture, infrastructures, properties. The European Commission’s Joint Research Centre (JRC) estimates annual losses 5 €-billion for Union United Kingdom (Spinoni et al., 2020). While these areas there is not high confidence on projected changes windstorm intensity frequency due climate change (Ranasinghe...
<p>Despite its high susceptibility to earthquakes, Italy's protection gap for seismic risk is one of the largest in world: only a small percentage economic losses caused by earthquakes come under an insurance policy. One reasons lack public awareness risk. </p> <p>Terraferma attempts respond this problem.</p> interactive tool developed Leithà, competence center Unipol Group Data Science and Computer...
<p>In some recent works it has been hypothesized that the slope (b-value) of magnitude-frequency distribution earthquakes may be related to differential stress inside crust.  In particular, observed low b-values are associated with high values and therefore probability occurrence strong seismic shocks. this paper we formulate a predictive hypothesis based on temporal variations b-value. We tested optimized such retrospectively homogenized Italian instrumental...
Earth and Space Science Open Archive This preprint has been submitted to is under consideration at Geophysical Research Letters. ESSOAr a venue for early communication or feedback before peer review. Data may be preliminary.Learn more about preprints preprintOpen AccessYou are viewing the latest version by default [v1]Kinematic dynamic-controlled variations in earthquake-size distribution - case study from Southern CaliforniaAuthorsAndreaCarducciiDAntonioPetruccelliAngeloDe SantisRitade...
<p><span>The frequency-magnitude relation of earthquakes, with particular attention to the <em>b</em>-value Gutenberg-Richter law, is computed in Southern California. A three-dimensional grid employed sample relocated focal mechanisms and determine both magnitude completeness for each node. Sampling radius size are appropriately chosen accordingly seismogenic source dimensions. The SCEC Community Fault Model used comparison main fault...