Venerdì 26 settembre torna BRIGHT-NIGHT, la Notte europea delle ricercatrici e dei ricercatori in Toscana Le piazze si animeranno di attività ed esperimenti promossi da Università ed Enti di ricerca, con il sostegno della Regione Toscana nell’ambito del progetto Giovanisì Sta per tornare la notte più brillante dell’anno, l’appuntamento è…
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Trigger mechanism and propagation dynamics of pyroclastic density currents at basaltic volcanoes
a Photo of the 10 February 2022 lava fountain with the 12 km a.s.l. eruption column (photo by B. Behncke). b Photo of a minor PDC flowing on the flank of SEC (photo by B. Behncke). c–f Frames taken from INGV-OE thermal cameras showing the main PDC emplaced between 21:26 and…
Control of gravitational potentialenergy on the distribution of off‐riftvolcanic activity in the Turkanadepression, East African rift
(a) Faults, seismicity, and Pleistocene-Holocene volcanic vents in the Turkana Depression superimposed on a SRTM (Nasa Shuttle Radar Topography Mission) digital elevation model. Seismicity is from U.S. Geological Survey National Earthquake Information Center catalog (1900 to present; citation needed for the NEIC catalog, https://earthquake.usgs.gov/earthquakes/search/). Green dots illustrate in-axis volcanoes…
The Kolumbo volcanic field, Greece: a review of evidence to reconstruct the 1650 CE eruption and to support hazard and risk assessment
Timeline of the Kolumbo 1650 CE eruption (a-c) based on historical descriptions of the event. Vougioukalakis G.E., A. Koutroulli, S.R.J. Sparks, W. Aspinall, P.J. Baxter, Bevilacqua, A., L. Francalanci, C. Kanellopoulos, A. Neri, C. Papazachos, A. Tadini (2025).Bulletin of Volcanology 87(55). https://doi.org/10.1007/s00445-025-01824-1 Abstract Abstract: The Kolumbo…
Subsurface mechanical architecture of coronae on Venus and its implications for processes governing fractures and seismicity
Figure 2 The investigated coronae are all shown on the global Magellan synthetic aperture radar left-look mosaic base map: Atahensik (panels a–c), Demeter (panels d–f), Didilia (panels g–i), Heng-O (panels j–l), Kamui-Huci (panels m–o), Ninkarraka (panels p–r), Pavlova (panels s–u). Magellan global topography (4641 m/px) is displayed in panels b,e,h,k,n,q,t. The…
Uncertainty quantification in volcanology: observations, numerical modelling, and hazard/risk assessment: preface to the special issue
Figure 1 a) Simplified scheme showing the main volcanic phenomena that can be observed during and/or before and/or after a volcanic eruption, including related secondary effects such as water-sediment flows (e.g., lahars), tsunamis or fires. b) Conceptual diagram showing the interconnected fields where uncertainty is present and how it can…
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