搜索结果: 1-15 共查到“地球物理学 Central Italy”相关记录23条 . 查询时间(0.078 秒)
In search of evidence of deep fluid discharges and pore pressure evolution in the crust to explain the seismicity style of the Umbria-Marche 1997-1998 seismic sequence (Central Italy)
fluid geochemistry/seismicity porepressure field Umbria-Marche 1997-1998 seismic sequence
2015/9/30
Starting soon after the first main-shocks of the long seismic sequence which has occurred along the Umbria-Marche boundary since September 1997, fluid geochemistry surveying was accomplished (around 2...
Evolution of magnetotelluric,total magnetic field,and VLF field parameters in Central Italy:relations to local seismic activity
Magnetotelluroc tectonomagnetism VLF waves
2015/9/28
Magnetotelluric data were collected at Collemeluccio (41.72°N, 14.37°E) in Central Italy from summer 1991 to spring 1998. Analyzed by means of tensor decomposition on the geoelectric potential and rob...
Accelerometric radiation simulation for the September 26,1997 Umbria-Marche (Central Italy) main shocks
kinematic source model strong motion simulation Umbria-Marche main shocks
2015/9/28
We applied a hybrid stochastic-deterministic method to simulate the strong ground motion characteristics associated with the September 26, 1997 Umbria-Marche main shocks. One hundred different rupture...
Geomorphology of the Gubbio Basin (Central Italy):understanding the active tectonics and earthquake potential
tectonic geomorphology normal fault seismogenic sources Umbria-Marche Apennines-29 April 1984 Gubbio earthquake
2015/9/16
The Gubbio Basin is a 22 km long, 4 km wide depression located within the North-Central Apennines fold-andthrust belt. The basin is bounded to the east by the Gubbio Fault, a W-dipping, normal fault d...
Rupture history of the 1997 Umbria-Marche (Central Italy) main shocks from the inversion of GPS, DInSAR and near field strong motion data
slip history waveform inversion geodetic data modeling Colfiorito earthquakes kinematic source models
2015/9/15
We investigate the rupture history of the three largest magnitude earthquakes of the 1997 Umbria-Marche sequence by inverting GPS, DInSAR and near-source strong motion waveforms. We use the frequency ...
Tectonomagnetic and VLF electromagnetic signals in Central Italy
tectonomagnetism seismomagneticnetwork seismic activity VLF
2015/9/14
Tectonomagnetic field observations from absolute magnetic field level measurements were undertaken in Central Italy in an area extending between latitude 41°N and 43°N and between longitude 13°E and 1...
Recent changes in rainfalland air temperature at Agnone(Molise-Central Italy)
Molise Region climatic change longterm instrumental series fractal analysis the Cantor dust method
2015/9/11
An exhaustive daily rainfall and extreme air temperature series (1883-2000) was reconstructed for Agnone, a small town in Molise (Central Italy). Long-term analysis identified an increasing trend of 1...
Uncertainty analysis for seismic hazard in Northern and Central Italy
seismic hazard uncertainty analysis Italy
2015/9/10
In this study we examine uncertainty and parametric sensitivity of Peak Ground Acceleration (PGA) and 1-Hz
Spectral Acceleration (1-Hz SA) in probabilistic seismic hazard maps (10% probability of exc...
Seven missing damaging earthquakes in Upper Valtiberina (Central Italy) in 16th-18th century: research strategies and historical sources
missing earthquakes historical seismology Italian earthquake catalogues Upper Valtiberina
2015/9/8
The Italian earthquake catalogue is considered to be fairly complete starting from the 17th century and for classes
of earthquakes of magnitude greater than 5.5. However, dedicated historical researc...
Performances of the UNDERground SEISmic array for the analysis of seismicity in Central Italy
seismic array microearthquakes Central Apennines
2015/9/8
This paper presents the first results from the operation of a dense seismic array deployed in the underground Physics Laboratories at Gran Sasso (Central Italy). The array consists of 13 short-period,...
An algorithm for doble difference joint hypocenter determination: application to the 2002 Molise (Central Italy) earthquake sequence
Aftershocks Foreshocks Joint Hypocenter Determination
2015/9/7
We have developed an original computer code for double difference hypocenter
determination including an independent routine for the cross-correlation estimate of the time
difference between two wave...
Relations between morphological settings and vegetation covers in a medium relief landscape of Central Italy
hyperspectral data vegetation mapping geomorphology classification methods
2015/9/7
Mount area, a medium relief structure within the Italian Latium region. The study aims at defining the relationships between vegetation and landform types and highlighting the main morphological chara...
Update on monitoring of magnetic and electromagnetic tectonic signals in Central Italy
tectonomagnetism seismomagnetic network wavelet seismic activity VLF Central Italy
2015/9/2
A network of three absolute magnetometer stations and the geomagnetic observatory of LAquila (42°23N, 13°19E) monitors possible seismo- or tectonomagnetic effects in Central Italy, using LAquila Obser...
The INGV tectonomagnetic network in central Italy. Fifteen years of observations and future developments: an update
geomagnetic field earthquakes
2015/9/1
Tectonic events, as earthquakes and volcanic eruptions, may generate variations in the local geomagnetic field intensity. To detect possible effects related to seismic activity in central Italy, the I...
Active stress field in central Italy:a revision of deep well data in the Umbria region
active stress field borehole breakout Colfiorito northern Apennines
2015/9/1
In this area the active stress from borehole breakout analysis shows a prevalent NE-SW extension, perpendicular to the main tectonic structures, in agreement with stress inferred from earthquake focal...