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A LANDMARK EXTRACTION METHOD ASSOCIATED WITH GEOMETRIC FEATURES AND LOCATION DISTRIBUTION
Landmark Extraction Geometric Features Crevice Horizon Segmentation Voronoi Diagram
2018/5/16
Landmark plays an important role in spatial cognition and spatial knowledge organization. Significance measuring model is the main method of landmark extraction. It is difficult to take account of the...
Volcanic tremor associated with eruptive activity at Bromo volcano
volcanic tremor broadband seismology
2015/10/8
Three broadband stations were deployed on Bromo volcano, Indonesia, from September to December 1995. The analysis of the seismograms shows that the signals produced by the volcanic sources cover the f...
Analysis and quasistatic FE modeling of long period impulsive events associated with explosions at Stromboli volcano (Italy)
volcano seismology long-period measurements Stromboli finite element calculations volcano sources
2015/10/8
Broadband seismic measurements performed in 1995 and 1996 in the summit region of Stromboli are analyzed. The experiment in 1995 used an array of four Guralp seismometers and one Wielandt-Streckeisen ...
Near-field seismic displacement and tilt associated with the explosive activity of Stromboli
Stromboli volcano seismology seismic tilt Mogi model source mechanism
2015/10/8
Broadband seismic recordings in the near-field of Strombolian explosions, at 500 m distance, show pronounced effects of tilt. The tilt signal is predominant in the horizontal components beyond about 5...
Low-latitude ionospheric disturbances associated with earthquakes
Ionosphre equatorial anomaly low latitudes earthquakes
2015/9/28
Topside electron density measured on satellite board was analyzed. It was shown that before the two considered earthquakes with their epicenters located at low and equatorial latitudes the stable modi...
Self-potential chenges associated with volcanic activity:Short-term signals associated with March 9,1998 eruption on La Fournaise volcano (Reunion Island)
self-potential electric precursor ULF band self-potential mapping eruption
2015/9/28
After six years of quietness La Fournaise volcano entered into activity on March 9, 1998. Fissures opened gradually downwards on the northern flank of the cone. Two cones, Kapor and Krafft built, from...
The largest magnitudes of earthquakes associated with some historical volcanic eruptions and their volcanological significance
Earthquake magnitudes distance of perceptibility 1815 eruption of Tambora 1883 eruption of Krakatau magmatotectonic earthquakes
2015/9/28
We know several reports of earthquake swarms associated with volcanic eruptions in the 19th century or older periods when seismographs were not yet available. Even if we have no seismographs, the larg...
Effects of transient water mass redistribution associated with a tsunami wave on Earths pole path
arth rotation pole path variation tsunami wave Sumatra earthquake
2015/9/2
We have quantified the effects of a water mass redistribution associated with the propagation of a tsunami wave
on the Earths pole path and on the Length-Of-Day (LOD) and applied our modeling results...
Ionospheric perturbations associated with two huge earthquakes in Japan, using principal component analysis for multiple subionospheric VLF/LF propagation paths
Ionospheric perturbations Earthquakes Subionospheric VLF/LF propagation
2015/8/24
The presence of ionospheric perturbations in possible association with two huge earthquakes (Noto-hanto peninsula and Niigata-chuetu-oki earthquakes) in 2007 was studied on the basis of a conventional...
A simple statistical procedure for the analysis of radon anomalies associated with seismic activity
Radon emissions Seismic precursors Seismic activity
2015/8/18
This study presents an analysis of data from various radon anomalies that were compiled by Toutain and Baubron [1999], to investigate their relationships with the earthquake parameters of magnitude an...
OU Geologist Collaborates on Study to Determine Mechanism Associated with Fault Weakening in Earthquakes
OU Geologist Collaborates on Study Mechanism Associated Fault Weakening Earthquakes
2015/5/25
A University of Oklahoma structural geologist and collaborators are studying earthquake instability and the mechanisms associated with fault weakening during slip. The mechanism of this weakening is c...
Coseismic and postseismic slip associated with the 2010 Maule Earthquake, Chile: Characterizing the Arauco Peninsula barrier effect
Coseismic postseismic slip Maule Earthquake Chile Characterizing the Arauco Peninsula barrier effect
2014/4/9
Observations of coseismic and postseismic deformation associated with the 2010 Mw= 8.8 Maule earthquake in south-central Chile provide constraints on the spatial heterogeneities of frictional properti...
Coseismic and postseismic slip associated with the 2010 Maule Earthquake, Chile: Characterizing the Arauco Peninsula barrier effect
Coseismic and postseismic slip Maule Earthquake Chile Characterizing the Arauco Peninsula barrier effect
2014/4/15
Observations of coseismic and postseismic deformation associated with the 2010 Mw= 8.8 Maule earthquake in south-central Chile provide constraints on the spatial heterogeneities of frictional properti...
Changes in Sea-Level Pressure over South Korea Associated with High-Speed Solar Wind Events
solar-terrestrial weather sea-10 level pressure solar wind
2011/8/16
Abstract: We explore a possibility that the daily sea-level pressure (SLP) over South Korea responds to the high-speed solar wind event. This is of interest in two aspects: First, if there is a statis...
Study of outgoing longwave radiation anomalies associated with Haiti earthquake
Study outgoing longwave radiation anomalies associated Haiti earthquake
2010/10/21
The paper presents an analysis by using the methods of Eddy field calculation mean and wavelet maxima to detect seismic anomalies within the outgoing longwave radiation (OLR) data based on time and sp...