Potential impact on water resources from future volcanic eruptions at Long Valley, Mono County, California, U.S.A.

1991 ◽  
Vol 18 (1) ◽  
pp. 49-55 ◽  
Author(s):  
R. Forrest Hopson
Keyword(s):  
Water Resources ◽  
Volcanic Eruptions ◽  
Long Valley ◽  
Potential Impact

POTENTIAL IMPACT OF EARTHEN WASTE STORAGE STRUCTURES ON WATER RESOURCES IN IOWA

2002 ◽  
Vol 38 (3) ◽  
pp. 759-771 ◽  
Author(s):  
William W. Simpkins ◽  
Michael R. Burkart ◽  
Martin F. Helmke ◽  
Trenton N. Twedt ◽  
David E. James ◽  
...  
Keyword(s):  
Water Resources ◽  
Waste Storage ◽  
Potential Impact ◽  
Storage Structures

Monitoring super-volcanoes: geophysical and geochemical signals at Yellowstone and other large caldera systems

2006 ◽  
Vol 364 (1845) ◽  
pp. 2055-2072 ◽  
Author(s):  
Jacob B Lowenstern ◽  
Robert B Smith ◽  
David P Hill
Keyword(s):  
North America ◽  
Ground Water ◽  
Mass Flux ◽  
Volcanic Eruptions ◽  
Scientific Study ◽  
Volcanic Events ◽  
Long Valley ◽  
Show Evidence ◽  
The Difference ◽  
The Many

Earth's largest calderas form as the ground collapses during immense volcanic eruptions, when hundreds to thousands of cubic kilometres of magma are explosively withdrawn from the Earth's crust over a period of days to weeks. Continuing long after such great eruptions, the resulting calderas often exhibit pronounced unrest, with frequent earthquakes, alternating uplift and subsidence of the ground, and considerable heat and mass flux. Because many active and extinct calderas show evidence for repetition of large eruptions, such systems demand detailed scientific study and monitoring. Two calderas in North America, Yellowstone (Wyoming) and Long Valley (California), are in areas of youthful tectonic complexity. Scientists strive to understand the signals generated when tectonic, volcanic and hydrothermal (hot ground water) processes intersect. One obstacle to accurate forecasting of large volcanic events is humanity's lack of familiarity with the signals leading up to the largest class of volcanic eruptions. Accordingly, it may be difficult to recognize the difference between smaller and larger eruptions. To prepare ourselves and society, scientists must scrutinize a spectrum of volcanic signals and assess the many factors contributing to unrest and toward diverse modes of eruption.

scholarly journals Mud volcanism as a dangerous phenomenon for oil and gas facilities

2021 ◽  
Vol 946 (1) ◽  
pp. 012030
Author(s):  
G V Ustyugov ◽  
V V Ershov
Keyword(s):  
Oil And Gas ◽  
Volcanic Eruptions ◽  
Gas Production ◽  
Annual Number ◽  
Mud Volcanoes ◽  
Oil And Gas Production ◽  
Mud Volcanism ◽  
Human Economic Activity ◽  
Potential Impact ◽  
Average Annual Number

Abstract The research dwells on the danger of mud volcanism for human economic activity, namely, oil and gas production. We performed quantitative assessment of mud volcanoes activities, using Azerbaijan and Kerch-Taman region as examples. Average annual number of mud volcanoes eruptions is 3–4 for Azerbaijan and 1–2 for Kerch-Taman region. We estimate the catalogues of mud volcanic eruptions for those areas to be 52 % and 39 % complete, respectively. Mud volcanoes eruptions are quite frequent. In both regions, over 50 % of all recorded eruptions occur within ten years of the latest eruption. Analysis of mud volcanic eruptions catalogues shows that the volume of breccia ejected during an eruption is practically not related to how long the mud volcano was quiescent. Analysis of potential impact of seismicity on mud volcanic activity shows that the probability of mud volcanoes responding to an earthquake is 6 % and 10 % for Azerbaijan and Kerch-Taman region, respectively.

scholarly journals Potential imprint of Spörer and Maunder solar minima on coral skeleton carbon isotopes

2007 ◽  
Vol 3 (5) ◽  
pp. 1021-1035
Author(s):  
T. Ourbak ◽  
B. Malaizé ◽  
T. Corrège
Keyword(s):  
Solar Activity ◽  
Carbon Isotopes ◽  
Isotopic Fractionation ◽  
Volcanic Eruptions ◽  
Coral Skeleton ◽  
Complex Behaviour ◽  
Potential Impact ◽  
Dust Load

Abstract. Despite being routinely measured with δ18O in corals, records of δ13C are seldom presented in paleoceanographic studies. Numerous factors influence the biologically-mediated fractionation of carbon isotopes during skeletogenesis, resulting in a complex behaviour of this tracer. Here we present a long coral δ13C series, dating back to 1475, and showing the potential impact of solar activity. We note a significant decrease of δ13C during the Spörer and Maunder minima. We argue for a change in metabolical processes, from an autotrophical pattern to a more heterotrophical mode of feeding guided by change in sun irradiation. In addition, nearby volcanic eruptions might also have an impact and cause δ13C shifts, depending on the dust load associated with the eruption. Following previous work, we advocate the systematic presentation of δ13C vs. δ18O plots in coral studies to identify whether isotopic fractionation might have been affected by change in mode of feeding.

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