Results 31 to 40 of about 359,542 (226)

Ice core paleovolcanic records from the St. Elias Mountains, Yukon, Canada [PDF]

open access: yes, 2007
We previously reported a record of regionally significant volcanic eruptions in the North Pacific using an ice core from Eclipse Icefield (St. Elias Mountains, Yukon, Canada).
Germani, Mark S   +4 more
core   +3 more sources

Updated absolute gravity rate of change associated with glacial isostatic adjustment in Southeast Alaska and its utilization for rheological parameter estimation

open access: yesEarth, Planets and Space, 2022
In Southeast Alaska (SE-AK), rapid ground uplift of up to 3 cm/yr has been observed associated with post-Little Ice Age glacial isostatic adjustment (GIA). Geodetic techniques such as global navigation satellite system (GNSS) and absolute gravimetry have
Kazuhiro Naganawa   +6 more
doaj   +1 more source

Seafloor observations indicate spatial separation of coseismic and postseismic slips in the 2011 Tohoku earthquake

open access: yesNature Communications, 2016
Postseismic slip of the 2011 Tohoku earthquake in Japan has occurred on the plate interface, but quantifying the slip has been difficult due to a lack of seafloor data.
Takeshi Iinuma   +6 more
doaj   +1 more source

Magnitude, frequency and climate forcing of global volcanism during the last glacial period as seen in Greenland and Antarctic ice cores (60–9 ka) [PDF]

open access: yesClimate of the Past, 2022
Large volcanic eruptions occurring in the last glacial period can be detected by their accompanying sulfuric acid deposition in continuous ice cores. Here we employ continuous sulfate and sulfur records from three Greenland and three Antarctic ice cores ...
J. Lin   +18 more
doaj   +1 more source

Slab-derived fluid storage in the crust elucidated by earthquake swarm

open access: yesCommunications Earth & Environment, 2022
The volume of slab-derived fluid which resulted in the earthquake swarm associated with the 2011 Mw 9.1 Tohoku earthquake is quantified by comparison of injection-induced seismicity with geological proxies.
Yusuke Mukuhira   +2 more
doaj   +1 more source

Volcanic eruptions from ghost magma chambers [PDF]

open access: yes, 2008
Recent studies have proposed that magma reservoirs crystallized to a virtually rigid crystal-mush can be partially remelted by diffusion of hot fluids. We show that for a crystal mush with the composition of a K-trachyte from the Campanian Ignimbrite (CI)
BATTAGLIA, MAURIZIO   +3 more
core   +1 more source

Hydrological and Chemical Budgets of Okama Crater Lake in Active Zao Volcano, Japan

open access: yesHydrology, 2022
The Okama Crater Lake is located in the highly active Zao Volcano on the boundary of Miyagi and Yamagata Prefectures, Japan. At present, the lake stays relatively calm with neither bubbling, steaming nor gas smell at a pH of 3.2–3.4, though the lake did ...
Kazuhisa A. Chikita   +5 more
doaj   +1 more source

European climate response to tropical volcanic eruptions over the last half millennium [PDF]

open access: yes, 2007
We analyse the winter and summer climatic signal following 15 major tropical volcanic eruptions over the last half millennium based on multi-proxy reconstructions for Europe. During the first and second post-eruption years we find significant continental
Adams   +46 more
core   +2 more sources

Potential for crustal deformation monitoring using a dense cell phone carrier Global Navigation Satellite System network

open access: yesEarth, Planets and Space, 2022
Monitoring of crustal deformation provides essential information for seismology and volcanology. For such earth science fields and other purposes, various Global Navigation Satellite System (GNSS) networks have been constructed at the national and ...
Yusaku Ohta, Mako Ohzono
doaj   +1 more source

Earth's rotation variability triggers explosive eruptions in subduction zones [PDF]

open access: yes, 2015
The uneven Earth’s spinning has been reported to affect geological processes, i.e. tectonism, seismicity and volcanism, on a planetary scale. Here, we show that changes of the length of day (LOD) influence eruptive activity at subduction margins ...
CUFFARO, Marco   +3 more
core   +2 more sources

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