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Source signature processing in deep water, Gulf of Mexico: comparison between deterministic deconvolution and phase conjugation
oversampling source signature deconvolution
2015/9/29
The Center for Marine Resources and Environmental Technology has been developing a new method to improve the resolution of high-resolution seismic profiling. To achieve this the source signature is re...
Assessment of deep electrical conductivity features of Northern Victoria Land (Antarctica) under other geophysical constraints
Magnetovariations electrical conductivity lithosphere
2015/9/28
The lithospheric and crustal structure of the Victoria Land continental block (Antarctica) has been studied by geological and geophysical surveys. Among them magnetovariational investigations (MV) hav...
Crustal structure at the western end of the North Anatolian Fault Zone from deep seismic sounding
north Anatolian fault zone crustal structure deep seismic sounding
2015/9/28
The first deep seismic sounding experiment in Northwestern Anatolia was carried out in October 1991 as part of the "German - Turkish Project on Earthquake Prediction Research" in the Mudurnu area of t...
Strain pattern of the Southern Tyrrhenian slab from moment tensors of deep earthquakes:implications on the down-dip velocity
southern tyrrhenian seimin strain rate tensor down-dip velocity aseismic subduction
2015/9/28
Seismic strain is analysed along the slab face of the Southern Tyrrhenian subduction zone using focal mechanisms of deep earthquakes which occurred in the period 1960-1998. Results show that the slab ...
Deep-water turbidites as Holocene earthquake proxies:the Cascadia subduction zone and Northern San Andreas Fault systems
paleoseismology earthquake submarine recurrence patterns submarine landslides turbid flows
2015/9/16
New stratigraphic evidence from the Cascadia margin demonstrates that 13 earthquakes ruptured the margin from Vancouver Island to at least the California border following the catastrophic eruption of ...
Underwater Laboratories for Astroparticle Physics and Deep Sea Science
Neutrinos underwater laboratories
2015/9/7
The exploration of deep sea environments is presently at the dawn of a new era:
underwater laboratories, permanently installed on the sea floor and offering
power and on-line data transmission links...
Deep Sea Gravity Measurements: GEOSTAR-2 Mission Results
seafloor gravimeter teleseismic waves
2015/9/7
A new concept gravity meter with sensitivity close to Hz ms / 10 2 8 ? ? in the range of 10 -5 ?1Hz intended for observation of the vertical component of the Earth gravity and
teleseismic waves was i...
Sedimentologic and volcanologic investigation of the deep tyrrhenian sea: preliminary result of cruise VST02
submarine volcanism submarine volcanic explosions deep-sea fan
2015/9/7
The VST02 cruise carried out in the summer of 2002 was focused at sedimentologic and
volcanologic researches over selected areas of the deep portion of the Tyrrhenian sea. Chirp lines
and seafloor s...
Deep seafloor magnetic observations under GEOSTAR project
GEOSTAR project Tyrrhenian sea Magnetic observation
2015/9/7
Performing good quality magnetic observations is not an easy task; making them in the extreme marine environment is even much more challenging. The European funded GEOSTAR project succeeded in reachin...
Deep-sea borehole seismological observatories in the western Pacific: temporal variation of seismic noise level and event detection
deep-sea borehole observatory broadband seismometer seismic noise level
2015/9/7
Seismological networks provide critical data for better understanding the dynamics of the Earth; however, a great limitation on existing networks is the uneven distribution of stations. In order to ac...
The exploration of eastern Mediterranean deep hypersaline anoxic basins with MODUS: a significant example of technology spin-off from the Geostar Program
deep-sea anoxic basins ROV
2015/9/7
A significant example of technological spin-off from the GEOSTAR project is represented by the special-purpose instrumented module, based on the deep-sea ROV MODUS, which was developed in the framewor...
CT scan of Earth links deep mantle plumes with volcanic hotspots（图）
CT scan Earth links deep mantle plumes volcanic hotspots
2015/9/8
or the first time a sharp, three-dimensional scan of Earth’s interior that conclusively connects plumes of hot rock rising through the mantle with surface hotspots that generate volcanic island chains...
Deep water prestack multiple suppression on reflection data from ionian sea (offshore western greece)
Deep reflection profiling prestack multiple suppression Ionian sea Hellenic arc
2015/9/2
Multiple attenuation comprises a very important phase of the seismic reflection processing because it removes undesirable effects occurred during the propagation of the seismic signal in the earth. Th...
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...
Deep electrical resistivity tomography and geothermal analysis of Bradano foredeep deposits in Venosa area (Southern Italy): preliminary results
Southern Apennine geothermal zone deep electrical resistivity tomography magnetotelluric survey
2015/9/1
Geophysical surveys have been carried out to characterize the stratigraphical and structural setting and to better understand the deep water circulation system in the Venosa area (Southern Italy) loca...