A5053256300- earthquake and tectonic studies
- High-pressure geophysics and materials
- Seismology and Earthquake Studies
- Earthquake Detection and Analysis
- Seismic Waves and Analysis
- Geological and Geophysical Studies Worldwide
- Geological and Geochemical Analysis
- Seismic Imaging and Inversion Techniques
- Vestibular and auditory disorders
- Seismic Performance and Analysis
- Geophysics and Sensor Technology
- Geological Formations and Processes Exploration
- Maritime and Coastal Archaeology
- Geochemistry and Geologic Mapping
- Geology and Paleoclimatology Research
- Statistical and numerical algorithms
- Geological formations and processes
- Complex Systems and Time Series Analysis
- Remote-Sensing Image Classification
- Housing Market and Economics
- Archaeological and Historical Studies
- Geophysics and Gravity Measurements
- Meteorological Phenomena and Simulations
- Kawasaki Disease and Coronary Complications
- GNSS positioning and interference
Istituto Nazionale di Geofisica e Vulcanologia
2014-2024
INGV Sezione di Bologna
2023-2024
Osservatorio astronomico di Bologna
2024
University of Bologna
2024
Weatherford College
2023
National Institute of Oceanography and Applied Geophysics
2021
Meyer Children's Hospital
2013
Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
2011
University of Pisa
2003
United States Nuclear Regulatory Commission
2001-2002
The Western Mediterranean displays a complex pattern of crustal deformation distributed along tectonically active belts developed in the framework slow oblique plate convergence. We used earthquake and Global Positioning System (GPS) data to study present-day kinematics tectonics Africa-Eurasia boundary this region. Crustal seismicity focal mechanisms, analysed terms seismic moment release deformation, outline geometry major characterize their kinematics. Continuous GPS have been determine...
We herein describe new methods for computing the quantitative parameters of earthquakes using macroseismic data and uncertainties associated with these parameters. The allow location epicenters that are offshore or have no intensities assigned to any points in epicentral region by maximizing likelihood function an attenuation equation observed intensity data. In most favorable cases, such approach also allows estimation source depth local coefficients. compute parameter two ways: (1) using...
Abstract A systematic decay of the aftershock rate over time is one most fundamental empirical laws in Earth science. However, equally effect a mainshock on size distribution subsequent earthquakes has still not been quantified today and therefore used earthquake hazard assessment. We apply stacking approach to well‐recorded sequences extract this effect. Immediately after mainshock, mean events, or b value, increases by 20–30%, considerably decreasing chance larger events. This increase...
Abstract The Mediterranean basin is an important area of the Earth for studying interplay between geodynamic processes and landscape evolution affected by tectonic, glacio-hydro-isostatic eustatic factors. We focus on determining vertical deformations relative sea-level change coastal zone utilizing geological, archaeological, historical instrumental data, modelling. For deformation determinations recent decadal to centennial time scales, seismic strain analysis based about 6000 focal...
We present here the second release of a database, running on MS-Access platform, earthquake focal mechanisms Mediterranean area, published in literature.For all (more than 6000) parameters, taken from about 193 papers, have been checked for consistency and if necessary corrected when possible.The application also allows major moment tensor catalogs available area to be imported (without checking) used.within framework INGV initiative following Italian Prime Minister's Ordinance March 20,...
We present a description of the characteristics seismic deformation occurring in Alpine Mediterranean Belt, and outline its association with tectonic geologic features.We map activity using several catalogues.Hypocentral data are retrieved from Catalog International Seismological Center, most comprehensive compilation global data.Earthquake size source geometry instead evaluated catalogs earthquake mechanisms.These include moment tensor (mainly Harvard CMT Catalog, Euro-Mediterranean...
Using general orthogonal regressions (GORs), we calibrated local magnitudes, estimated in Italy using various methods different periods of time from 1981 to 2010, with a set homogeneous moment magnitudes ( M w). Magnitude uncertainties, necessary for the application GOR methods, are inferred by trial‐and‐error procedure based on priori information and empirical regression results. We found that determined real or synthesized Wood–Anderson waveforms L) scale 1:1 w most cases but underestimate...
We analysed the conversion problem between teleseismic magnitudes (Ms and mb) provided by Seismological Bulletin of International Centre moment (Mw) online tensor (MT) catalogues using chi-square general orthogonal regression method (CSQ) that, differently from ordinary least-square (OLS), accounts for measurement errors both predictor response variables. To account non-linearity relationships, we used two types curvilinear models: (i) exponential model (EXP), recently proposed authors...
Abstract We implemented an automatic procedure to update in near-real time (daily hourly) a homogeneous catalog of Italian instrumental seismicity be used for forecasting experiments and other statistical analyses. The magnitudes all events are homogeneously revalued consistent with Mw standard estimates made by the Global Centroid Moment Tensor project. For interval from 1960 15 April 2005, catalogs online resources available area were merged homogenized according empirical relationships...
With the goal of constructing a homogeneous data set moment magnitudes (Mw) to be used for seismic hazard assessment, we compared Mw estimates from tensor catalogues available online. We found an apparent scaling disagreement between National Earthquake Information Center (NEIC) US Geological Survey and Global Centroid Moment Tensor (GCMT) project. suspect that this is effect underestimation > 7.0 (M0 4.0 × 1019 Nm) computed by NEIC owing limitations their computational approach. also GCMT...
High-resolution, single-channel seismic and multibeam bathymetry data collected at the Amendolara Ridge, a key submarine area marking junction between Apennine collision belt Calabrian subduction forearc, reveal active deformation in supposedly stable crustal sector. New data, integrated with existing multichannel profiles calibrated oil-exploratory wells, show that middle to late Pleistocene sediments are deformed growth folds above blind oblique-reverse faults bound regional pop-up. Data...
Abstract The Mw 7.1 Ridgecrest earthquake sequence in California July 2019 offered an opportunity to evaluate near-real time the temporal and spatial variations average size distribution (the b-value) performance of newly introduced foreshock traffic-light system. In normally decaying aftershock sequences, past studies, b-value aftershocks was found, on average, be 10%–30% higher than background b-value. A drop 10% or more “aftershock” b-values postulated indicate that region is still highly...
The assessment of ground shaking at high spatial resolution after a recent or future earthquake is crucial for rapid impact and risk management. This even more important in the urban context, where small-scale differences can have significant effect on people property. Classical seismological networks, however, are usually too sparse to capture variability resolution. In this paper, we show how multivariate statistical model be used improve ShakeMaps by integrating station data (e.g. peak...
Abstract In a recent work, we evidenced some empirical discrepancies between the macroseismic intensity estimates in Italy last decade with respect to those made previously. A possible reason might be progressive adoption by Italian researchers of European Macroseismic Scale (EMS) place Mercalli Cancani Sieberg (MCS) scale mostly used up 2009. theory, modern settlements where reinforced concrete (RC) buildings are increasingly replacing masonry, EMS should overestimate MCS because former...
<p>Rapid-response seismic networks are an important element in the response to crises. They temporarily improve detection performance of permanent monitoring systems during sequences. The improvement earthquake and location capabilities can be for decision makers assess current situation, provide invaluable data scientific studies related hazard, tectonics physics. Aftershocks clustering locations events help characterize dimensions causative fault. Knowing number, size timing...
Research Article| November 01, 2013 Body‐Wave Magnitude mb Is a Good Proxy of Moment Mw for Small Earthquakes (mb<4.5–5.0) Paolo Gasperini; Gasperini aDipartimento di Fisica ed Astronomia, Università Bologna, Viale Berti Pichat 8, I‐40127 Italypaolo.gasperini@unibo.it Search other works by this author on: GSW Google Scholar Barbara Lolli; Lolli bIstituto Nazionale Geofisica e Vulcanologia, Sezione Via Donato Creti 12, I‐40128 Italy Gianfranco Vannucci Author and Article Information...
Abstract On 30 October 1930, an M w 5.8 earthquake hit the northern Marche coastal area (central Italy), causing significant damage ( I 0 VIII–IX degree Mercalli–Cancani–Sieberg) along a 40 km stretch of Adriatic coast between Pesaro and Ancona, centered on town Senigallia. This is characterized by relatively infrequent moderate‐sized earthquakes elusive active faults. In spite presence well‐known northwest–southeast‐trending, northeast‐verging fault‐propagation folds forming outer thrusts...