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Article
Deformation measurements on Kilauea volcano, Hawaii
Repeated electronic distance measurements across Kilauea Caldera with Tellurometers and Geodimeter show definite horizontal expansion related to the vertical uplift and outward tilting of the summit prior to a...
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Article
Crystallization of tholeiitic basalt in Alae Lava Lake, Hawaii
The eruption of Kilauea Volcano August 21–23, 1963, left 600,000 cubic meters of basaltic lava in a lava lake as much as 15 meters deep in Alae pit crater. Field studies of the lake began August 27 and include...
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Article
Deformation measurements on Mauna Loa Volcano, Hawaii
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Article
A probabilistic calculation of the distribution of the resistance of a mechanized support across the width of the face area
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Article
Deformation properties of the lithosphere derived from data on recent crustal movements of the earth
Рaссмamрuвaеmся зa¶rt;aчa о ¶rt;вuженuях в ¶rt;вухслоŭноŭ ньюmоновскоŭ жu¶rt;косmu, вознuкaющuх nо¶rt; влuянuем верmuкaльных ¶rt;вuженuŭ нa нuжнеŭ ...
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Article
Radiative properties of cirrus clouds in NOAA 4 VTPR channels: Some explorations of cloud scenes from satellites
A one-dimensional spectral infrared radiative transfer model has been developed for atmospheres containing cirrus clouds and absorbing gases above, below and within the cloud. The transfer model takes into con...
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Chapter and Conference Paper
On the Measurement of Stress Sensitivity of NRM Using a Cryogenic Magnetometer
Preliminary stress sensitivities of NRM of two rocks from along the San Andreas fault, California, have been investigated using a cryogenic magnetometer and uniaxial pressure vessel. Of particular interest has...
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Article
Feasibility of combining the extraction-sorption technology of treatment of solutions with bacterial-chemical lixiviation of copper-zinc ores
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Article
Petrology of Hualalai volcano, Hawaii: Implication for mantle composition
Hualalai is one of five volcanoes whose eruptions built the island of Hawaii. The historic 1800–1801 flows and the analyzed prehistoric flows exposed at the surface are alkalic basalts except for a trachyte co...
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Chapter and Conference Paper
Fundamentals of Multidimensional Time-Series Analysis
This paper presents a survey of recent research in multi-dimensional signal processing. As a means of illustrating the fundamental principals, the presentation focuses on two-dimensional (2-D) results. A tutor...
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Article
Variations of radon content in groundwaters and possible correlation with seismic activities in northern Taiwan
Radon (222Rn) concentration in geothermal waters and CO2-rich cold springwaters collected weekly in duplicate samples from four stations in northern Taiwan were measured from July 1980 to December 1983. Seven spi...
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Article
Percolation theory as a tool for imitation of fracture process in rocks
The statistical models of earthquake focal processes covering topological, kinetic, energetic and scaling aspects of the phenomenon are considered on the basis of the percolation and reliability theories. It i...
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Chapter and Conference Paper
DOSECC’s Deep Scientific Drilling Project at Cajon Pass, California
The San Andreas fault in California presented an ideal target for the first deep scientific drilling project in the U.S. under DOSECC management. The San Andreas, one of only a handful of transform faults worl...
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Chapter and Conference Paper
A Pilot Vertical Seismic Profiling Experiment in the Cajon Pass Deep Scientific Drillhole
The Cajon Pass Deep Scientific Drillhole (see Henyey et al., this volume) is expected to provide one of the first opportunities for a comprehensive study of the crystalline crust using the vertical seismic pro...
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Article
Fundamentals of gas containment in unlined rock caverns
The criterion for gas entry into idealized, uniform, water-saturated fractures is examined for one-dimensional, elliptical and cylindrical cavern geometries. This limiting criterion is a necessary condition fo...
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Article
Temporal variation of codaQ during Hualien earthquake of 1986 in eastern Taiwan
The May 20, 1986, Hualien earthquake sequence occurred on the northeastern coast of Taiwan. TheM=6.1 (GS mb) mainshock was followed by a large number of closely-clustered aftershocks with the largest being anM=5....
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Chapter and Conference Paper
Geoid Determination Over Basin-Wide Scales Using a Combination of Satellite Tracking, Surface Gravity and Altimeter Observations
A spherical harmonic model of the Earth’s gravitational field has been developed using tracking data of 31 satellites, surface gravimetry, and satellite radar altimetry. The model is complete to degree and ord...
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Article
Experimental investigation of the elastic modulus of a fractal system—A model of fractured rocks
The elastic properties of a physical model representing a damaged rock matrix were studied using a square lattice deformed under tensile stress. The elastic modulusM of such a system varies in agreement with perc...
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Chapter
The Integrated Mobile Volcano-Monitoring System Used by the Volcano Disaster Assistance Program (VDAP)
Following the tragic 1985 eruption of Nevado del Ruiz Volcano, Colombia, the US Geological Survey (USGS) and the Office of Foreign Disaster Assistance (OFDA) of the US Agency for International Development (USA...
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Article
Multi-instrument ground-based observations of a travelling convection vortices event
A coordinated ground-based observational campaign using the IMAGE magnetometer network, EISCAT radars and optical instruments on Svalbard has made possible detailed studies of a travelling convection vortices ...