Thermally induced convective circulation and precipitation over an isolated volcano [PDF]
Intense rainfall over active volcanoes is known to trigger dangerous volcanic hazards, from remobilizing loose volcanic surface material into lahars or mudflows to initiating explosive activity including pyroclastic flows at certain dome-forming ...
Matthews, Adrian+2 more
core +1 more source
Magma chamber decompression during explosive caldera-forming eruption of Aira caldera
Substantial magma chamber decompression during the early plinian stage of the eruption of Aira volcano, Japan, 30,000 years ago caused intense ground deformation and caldera collapse, according to analyses of water content in quartz ...
Nobuo Geshi+3 more
doaj +1 more source
Models of Hawaiian volcano growth and plume structure: Implications of results from the Hawaii Scientific Drilling Project [PDF]
The shapes of typical Hawaiian volcanoes are simply parameterized, and a relationship is derived for the dependence of lava accumulation rates on volcano volume and volumetric growth rate.
DePaolo, D. J., Stolper, E. M.
core +1 more source
Prevalence of Seismic Rate Anomalies Preceding Volcanic Eruptions in Alaska
Seismic rate increases often precede eruptions at volcanoes worldwide. However, many eruptions occur without such precursors. Additionally, identifying seismic rate increases near volcanoes with high levels of background seismicity is non-trivial and ...
Jeremy D. Pesicek+3 more
doaj +1 more source
Optimization of Network-Based Earthquake Early Warning Systems on the Korean Peninsula
Most countries and local governments provide earthquake services in the public domain, and they must have high accuracy. If a missed alarm of the Earthquake Early Warning (EEW) system causes many casualties, or if the industrial system is temporarily ...
Seongheum Cho+2 more
doaj +1 more source
Radiocarbon dating of Fugendake Volcano in Unzen, SW Japan [PDF]
This article presents new radiocarbon ages for the lavas, pyroclastic flow, and lahar deposits that originated from the Fugendake and Mayuyama volcanoes of the Younger Unzen Volcano, SW Japan.
Freeman, Stewart P.H.T.+3 more
core +1 more source
JIRAM Observations of Volcanic Flux on Io: Distribution and Comparison to Tidal Heat Flow Models [PDF]
Juno has allowed clear, high-resolution imaging of Io's polar volcanoes using the Jovian Infrared Auroral Mapper (JIRAM) instrument. We have used data from JIRAM's M-band (4.78 um) imager from eleven Juno orbits to construct a global map of volcanic flux.
arxiv +1 more source
Volcano transition in a solvable model of oscillator glass [PDF]
In 1992 a puzzling transition was discovered in simulations of randomly coupled limit-cycle oscillators. This so-called volcano transition has resisted analysis ever since. It was originally conjectured to mark the emergence of an oscillator glass, but here we show it need not.
arxiv +1 more source
From the volcano effect to banding: a minimal model for bacterial behavioral transitions near chemoattractant sources [PDF]
Sharp chemoattractant (CA) gradient variations near food sources may give rise to dramatic behavioral changes of bacteria neighboring these sources. For instance, marine bacteria exhibiting run-reverse motility are known to form distinct bands around ...
Jashnsaz, Hossein+2 more
core +1 more source
Alaska Volcano Observatory Alert and Forecasting Timeliness: 1989–2017
The Alaska Volcano Observatory (AVO) monitors volcanoes in Alaska and issues notifications and warnings of volcanic unrest and eruption. We evaluate the timeliness and accuracy of eruption forecasts for 53 eruptions at 20 volcanoes, beginning with Mount ...
Cheryl E. Cameron+5 more
doaj +1 more source