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50 Titles Match Your Query
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1. Crater Peak (Mt. Spurr), Alaska: Eruptions of 1992 [gov.noaa.ngdc.mgg.photos.G01228]
Alaska has a number of active and potentially active volcanoes. More than one-half of the population of Alaska lives within 300 km of an active volcano. In the last 100 years there have been two eruptions ...


2. Environmental Hazards and Mud Volcanoes in Romania [gov.noaa.ngdc.mgg.photos.G01208]
Romania, an eastern European country, is severely affected by a variety of natural hazards. These include frequent earthquakes, floods, landslides, soil erosion, and drought all of which have major ...


3. Eruption of Mount St. Helens, May 18, 1980 [gov.noaa.ngdc.mgg.photos.G01224]
The May 18, 1980 eruption of Mount Saint Helens was the most destructive in the history of the United States. Mt. Saint Helens is located in southwest Washington in the Cascade Range, a mountain range ...


4. Hawaii Volcanism: Impact on the Environment [gov.noaa.ngdc.mgg.photos.G01225]
Fewer than one hundred people have been killed by eruptions in the recorded history of Hawaii, and only one death has occurred in the 20th Century. However, the lava flows are highly destructive to ...


5. Hawaii Volcanism: Lava Forms [gov.noaa.ngdc.mgg.photos.G01226]
Over the last several million years the Hawaiian Islands have been built of successive lava flows. They are the most recent additions in a long line of volcanoes that extends up the intersection of ...


6. Mount Pinatubo Revisited; A Study of Lahar Erosion [gov.noaa.ngdc.mgg.photos.G01230]
At dawn on June 15, 1991, a cataclysmic eruption began with a tremendous explosion that destroyed ten deserted villages. This eruption deposited approximately 5 to 7 km3 of volcanic fragments in pyroclastic ...


7. Mount Pinatubo, Philippines: June 1991 Eruptions [gov.noaa.ngdc.mgg.photos.G01227]
Mount Pinatubo is an andesitic island arc volcano, located on the southern Luzon Island, Philippines. Prior to 1991 it had been dormant for more than 635 years. On April 2, 1991, the volcano, which ...


8. Volcanic Rocks and Features [gov.noaa.ngdc.mgg.photos.G01222]
Volcanoes have contributed significantly to the formation of the surface of our planet. Volcanism produced the crust we live on and most of the air we breathe. The remnants of an eruption reveal as ...


9. Volcanoes in Eruption - Set 2 [gov.noaa.ngdc.mgg.photos.G01223]
The word volcano is used to refer to the opening from which molten rock and gas issue from Earth's interior onto the surface, and also to the cone, hill, or mountain built up around the opening by ...


10. Global Significant Volcanic Eruptions Database, 4360 BC to present [gov.noaa.ngdc.mgg.hazards.G10147]
The Significant Volcanic Eruptions Database is a global listing of over 600 eruptions from 4360 BC to the present. A significant eruption is classified as one that meets at least one of the following ...


11. Global Volcano Locations Database [gov.noaa.ngdc.mgg.hazards.G02135]
NGDC maintains a database of over 1,500 volcano locations obtained from the Smithsonian Institution Global Volcanism Program, Volcanoes of the World publication. The database includes information ...


12. Mount Erebus Seismic Data [Erebus]
The seismic archive contains short-period and broadband data, primarily from the summit region of Mount Erebus. Online data from short-period and broadband data from 2000-present, ...


13. An Assessment of Volcanic Threat and Monitoring Capabilities in the United States: Framework for a National Volcano Early Warning System [USGS_OFR_2005_1164]
A National Volcano Early Warning System NVEWS is being formulated by the Consortium of U.S. Volcano Observatories (CUSVO) to establish a proactive, fully integrated, national-scale monitoring effort ...


14. Publications of the Volcano Hazards Program 2004 [USGS_OFR_2006_1102_VHP_2004]
The Volcano Hazards Program of the U.S. Geological Survey (USGS) is part of the Geologic Hazards Assessments subactivity as funded by Congressional appropriation. Investigations are carried out in ...


15. Geophysical Terranes of the Great Basin and Parts of Surrounding Provinces [USGS_OFR_2004_1008]
This study of geophysical terranes within and surrounding the Great Basin of the western United States integrates geophysical and geologic data to provide new insights on basement composition and ...


16. Mawson Formation, south Victoria Land [Elliot_mawson]
The research in the Allan and Coombs Hills area of south Victoria Land focused on the mode of formation of exceptionally thick tuff-breccia deposits that are part of the Jurassic Ferrar ...


17. Ferrar Sill Distribution and Composition [BDM_JHU-Ferrar-Geol]
This set of data describes the geologic occurrence, petrologic nature, and chemical composition of a series of sheet-like basaltic intrusions, known as Sills, which occur in the McMurdo ...


18. Geochemical analyses of volcanic bombs erupted from Mount Erebus [Erebus_petrology]
This data set consists of geochemical analyses of volcanic bombs erupted from Mount Erebus between 1972 and 2004 and selected older lava samples from the summit area. Detailed electron ...


19. AFI 01/27_01 - Dyke intrusions as tracers of continental break-up processes - Rock samples collected in Dronning Maud Land in 2000/2001 [GB-NERC-BAS-AEDC-00250]
The style and volume of magmatism varies between margins from large volume flood basalts such as the Parana or Deccan provinces to less volumetric margins such as the southern part of the South Atlantic. ...


20. AFI 01/27_02 - Dyke intrusions as tracers of continental break-up processes - Ar-Ar dating, field data and selected geochemical analysis data of rock samples collected in Dronning Maud Land in 2000/2001 [GB-NERC-BAS-AEDC-00251]
The style and volume of magmatism varies between margins from large volume flood basalts such as the Parana or Deccan provinces to less volumetric margins such as the southern part of the South Atlantic. ...


21. GEOPHYSICAL INVESTIGATIONS OF THE MAGMATIC ARC IN THE NORTHWESTERN PENINSULA ANTARCTICA AND ITS TECTONIC DEVELOPMENT - PICTO 36177 2005 [CDA_AR-GEOPHYSICAL_INVESTIGATIONS_OF_THE_MAGMATIC_ARC_IN_THE_NORTHWESTERN_PENIN]
ENGLISH This project comprises geophysical, structural, and petrologic studies aiming to define the geometry, lateral relationships, and tectonic evolution of the geologic units of the Mesozoic magmatic ...


22. Quaternary Volcanic Flow in Utah [AGRC_Volcanic]
This data set represents the quaternary volcanic flow in the State of Utah at scales of 1:20,000 to 1:100,000. The data were published in "Quaternary Tectonics of Utah" (hecker, Utah Geological ...


23. Hawaii Volcano Geochemical Data Sets [HAWAII_GEOCHEM]
The Bishop Museum Geology Section ('http://www.bishopmuseum.org/research/natsci/'), with the assistance of the USGS Hawaiian Volcano Observatory ('http://hvo.wr.usgs.gov/') ...


24. Middle East Volcanoes [GEO_CORNELL_ME_VOLCANOES]
The dataset contains volcano locations in the Middle East. The principal reasons for constructing this database are to help in the monitoring and verification of the Comprehensive Test ...


25. North Africa Basalts [GEO_CORNELL_NA_BASSALT]
The dataset contains the location of volcanics in North African bedrock. The principal reasons for constructing this database are to help in the monitoring and verification of the ...


26. A reconstruction of the record of volcanic processes within the vent of a large and explosive basaltic eruption in the Mawson Formation in the Allan Hills [K061_2001_2002_NZ_2]
The contact relationship between volcanic deposits and surrounding country rocks of the Beacon Supergroup are steep over a large area. Beyond the landslide deposits along the contact between Beacon ...


27. Geochemistry, paleomagnetism and intrusive history of the Ferrar Dolerites, Antarctica [K061_2004_2007_NZ_1]
A suite of geological samples were collected in the Transanatarctic Mountains for paleomagnetic and geochemical analysis. Combined with field observations, these samples will help determine magma ...


28. Investigation into the Mawson Formation volcanics of southern Allan Hills and comparisons with northern Allan Hills and Carapace Nunatak [K061_2003_2004_NZ_1]
The thick, laterally continuous block-rich volcaniclastic layer of the southern Allan Hills area was examined to determine their source and mode of emplacement. Extensive geological mapping of the ...


29. Investigation of the shape, scale and distribution of irregular zones of fragmental rocks of the Mawson Formation at Coombs Hill to determine the precesses of volcanic vent evolution [K061_2002_2003_NZ_1]
The shape, scale and distribution of irregular zones of fragmental rocks within the overal chaotic deposits of the lower 300m of the Mawson Formation at Coombs Hills was determined. The chaotic deposits ...


30. Mapping of the relationship among country rock, non-explosive intrusive rocks and deposits of explosive eruptions of the Mawson Formation in the Allan Hills as an indication of phreatomagmatic eruption processes [K061_2001_2002_NZ_1]
Phreatomagmatic eruptions are common and dangerous worldwide. How large explosive event complexes evolve during eruptions, the processes that drive the evolution and what is in the rock record was ...


31. The direction of magma flow and behaviour of the magma in the formation of the Ferrar Large Igneous Province 180 million years ago, Pandora Spyre and Terra Cotta Mountain, Victoria Land [K061_2007_2008_NZ_1]
Exposed at Terra Cotta Mountain and Pandora Spyre are vertical bladelike bodies of basaltic rock which cut across older pale colored sedimentary rocks. The pathway the magma took to the earth's surface ...


32. The direction of magma flow in the formation of the Ferrar Large Igneous Province 180 million years ago, Coombs Hills, Victoria Land [K061_2005_2006_NZ_1]
Exposed at Coombs Hills are vertical bladelike bodies of basaltic rock that cut across older white sedimentary rocks and through deposits of a Jurassic volcanic complex (Mawson Formation). The majority ...


33. The direction of magma flow in the formation of the Ferrar Large Igneous Province 180 million years ago, Mt Gran and Terra Cotta Mountain, Victoria Land [K061_2004_2005_NZ_1]
An outcrop of the 'plumbing system' of one of the largest volcanic events known was investigated at Mt Gran and Terra Cotta Mountain (Victoria Land) to determine how magma reached the surface to feed ...


34. The physical features and dynamics of Ferrar dolerite dykes and sills within the Allan Hills, Victoria Land [K061_2006_2007_NZ_1]
At Allan Hills, dykes and sills are respectively sub-vertical and sub-horizontal magma bodies of fine textured basaltic rock, remnants of the formation of the Ferrar Large Igneous Province when large ...


35. Volcanology and sedimentology of the phreatomagmatic eruptive system of the Mawson Formation in Coombs Hills, Victoria Land, Antarctica [K061_1999_2000_NZ_1]
The volcanology and sedimentology of a phreatomagmatic eruptive system in the Coombs Hills, Victoria Land was investigated to determine how magmatism is initiated and evolves during continental rifting. ...


36. The geothermal and volcanic activity of Mt Melbourne and Mt Erebus [K044_1972_1973_NZ_1]
The geology and the geothermal and volcanic activity of Mt Melbourne and Mt Erebus was investigated by surveying the summit craters of each volcano. At Mt Melbourne, the thermal activity was investigated ...


37. Geochemical analyses and images of tephra and other particulate samples from the Law Dome Ice Core [Law_Dome_Tephra]
This data set contains geochemical information and backscattered electron images of particulate material sampled from the Law Dome ice core. Some of this material is volcanic ash, and ...


38. Catalog of Mount St. Helens 2004-2007 Dome Samples with Major- and Trace-element Chemistry [USGS_OFR_2008_1130]
Sampling and analysis of eruptive products at Mount St. Helens is an integral part of volcano monitoring efforts conducted by the U.S. Geological Survey's Cascades Volcano Observatory (CVO). The objective ...


39. Paleozoic magmatism along the Paleopacific margin of Gondwana: northern Victoria Land (Antarctica) and South Tasman Rise. [afioretti_paleozoic_magmatism]
The aim of the research is to contribute to the geological reconstruction of the continental fragments around the Paleopacific margin of Gondwana before its break-up. The middle Paleozoic magmatism, ...


40. Lava Flow Hazard Assessment, as of August 2007, for Kilauea East Rift Zone Eruptions, Hawai'i Island [USGS_OFR_2007_1264]
The most recent episode in the ongoing Pu OO-Kupaianaha eruption of Kilauea Volcano is currently producing lava flows north of the east rift zone. Although they pose no immediate threat to communities, ...


41. Western Churchill NATMAP Project, Nunavut, Canada [Canada_GSC_WChurchillNATMAP]
The principal objective of the western Churchill NATMAP program is to provide modern geological maps of late Archean greenstone belts in a part of the Canadian Shield with great mineral potential ...


42. Nova Scotia Geoscience Digital Products [Canada_NovaScotia_GeosciDigProd]
This collection contains all of the downloadable digital geoscience data products produced by the Nova Scotia Department of Natural Resources, Mineral Resources Branch (MRB). These products include ...


43. Nova Scotia Geoscience Publications (NovaScan) [Canada_NovaScotia_NovaScan]
This product provides on-line search capabilities for Nova Scotia's bibliographic geoscience database called NovaScan. All records contained in NovaScan are accessible as FGDC compliant metadata though ...


44. Catalog of Earthquake Hypocenters at Alaskan Volcanoes: January 1 through December 31, 2003 [USGS_OFR_2004_1234]
The Alaska Volcano Observatory (AVO), a cooperative program of the U.S. Geological Survey, the Geophysical Institute of the University of Alaska Fairbanks, and the Alaska Division of Geological and ...


45. Location, Age, and Tectonic Significance of the Western Idaho Suture Zone [USGS_OFR_2004_1039]
The Western Idaho Suture Zone (WISZ) represents the boundary between crust overlying Proterozoic North American lithosphere and Late Paleozoic and Mesozoic intraoceanic crust accreted during Cretaceous ...


46. Geochemestry of basic magmatism on Byers Peninsula, Antarctica [01-95_02]
In this field campaign 59 samples of volcanic and subvolcanic rocks were collected. Ten of these samples were analyzed via ICP at the Department of Geology, U. de Chile. The samples are subalkaline ...


47. Igneous Petrography of Byers Peninsula, Livingston Island, Antarctica [01-95_01]
During this campaign, 50 volcanic and subvolcanic rock samples were collected, which were described petrographically. In general they are porphyritic rocks composed of phenocrysts of plagioclase, ...


48. Geology of the Ugashik-Mount Peulik Volcanic Center, Alaska [USGS_OFR_2004_1009]
The Ugashik-Mount Peulik volcanic center, 550 km southwest of Anchorage on the Alaska Peninsula, consists of the late Quaternary 5-km-wide Ugashik caldera and the stratovolcano Mount Peulik built ...


49. Northeast Pacific Seismicity Quarterly Epicenter Maps [NESEISMIC_VENTS]
Earthquake location maps for the NE Pacific have been accumulated since August 29, 1991. The source location fixes are based on bearing and arrival time information at 3 to 11 SOSUS hydrophone sites. ...


50. Volcanology of Deception Island. Project No. 14 2002-2004 [CDA_AR_GEO_VOLCANIC_MONITORING]   PARENT DIF
ENGLISH Abstract of project: The Deception Volcanology Observatory was created in 1993 for the Instituto Antartico Argentino (Argentine Antarctic Institute) and for the Consejo Superior de Investigaciones ...


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