United States Geological Survey YearbookThe Survey, 1984 - Geology |
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Page 1
... eruption of Mount St. Helens in 1980 , we have increased greatly our monitoring efforts for other volcanoes of the Cascade Range . In 1984 , we success- fully predicted three of the four latest eruptions of Mount St. Helens . In Hawaii ...
... eruption of Mount St. Helens in 1980 , we have increased greatly our monitoring efforts for other volcanoes of the Cascade Range . In 1984 , we success- fully predicted three of the four latest eruptions of Mount St. Helens . In Hawaii ...
Page 31
... eruption of these rocks as had been assumed pre- viously . It is now believed that tin deposits may be associated with buried intrusive bodies within the volcanic complex . Also , the high lithium values indicate that these rocks are ...
... eruption of these rocks as had been assumed pre- viously . It is now believed that tin deposits may be associated with buried intrusive bodies within the volcanic complex . Also , the high lithium values indicate that these rocks are ...
Page 58
... eruption of Kilauea Volcano in Hawaii that began in January 1983 continued in fiscal year 1984 under the Volcano Hazards Program . The March 25 to April 15 , 1984 , eruption of Mauna Loa volcano in Hawaii was forecast successfully in ...
... eruption of Kilauea Volcano in Hawaii that began in January 1983 continued in fiscal year 1984 under the Volcano Hazards Program . The March 25 to April 15 , 1984 , eruption of Mauna Loa volcano in Hawaii was forecast successfully in ...
Page 59
... eruptions in the Cascade Range of the Northwestern United States , the Yellowstone area of western Wyoming , and the Sonoma volcanic field in the central Coast Range of California . Several of the ash layers have been found in marine ...
... eruptions in the Cascade Range of the Northwestern United States , the Yellowstone area of western Wyoming , and the Sonoma volcanic field in the central Coast Range of California . Several of the ash layers have been found in marine ...
Page 61
... Eruption of Mauna Loa Volcano. The 15 - mile - long Parkfield , California , section of the San Andreas fault is the best understood earthquake source region in the world . Moderate - sized earthquakes of local magnitude ( M1 ) 53⁄4 ...
... Eruption of Mauna Loa Volcano. The 15 - mile - long Parkfield , California , section of the San Andreas fault is the best understood earthquake source region in the world . Moderate - sized earthquakes of local magnitude ( M1 ) 53⁄4 ...
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activities Alaska aquifer areas Assistant Bacillus cereus basins Bureau California cartographic cartographic data base City coal Columbia Glacier Commission contaminants Control Cooperative Denver Department of Public digital cartographic data digital data earthquake energy Environmental eruption Federal agencies Federal Bldg feet fiscal year 1984 flow fluid inclusions geographic geographic information systems Geologist geophysical ground water ground-water hazards High Plains hydrologic ical image map Information Systems investigations irrigation Lake land Landsat lava located Loki Patera major Management Mauna Loa million mineral deposits mineral resources models National Center National Mapping Division Office offshore Parkfield Parkfield earthquake potential production quadrangle radar Regional remote sensing River rocks San Andreas fault scientific sediment Service sewage sources square miles STOP studies sulfur surface Survey scientists Survey's techniques tion topographic maps trends U.S. Geological Survey Volcano Water Conservation District Water District zone