Results 1 to 10 of about 4,831 (50)

Estimates of volcanic mercury emissions from Redoubt Volcano, Augustine Volcano, and Mount Spurr eruption ash

Frontiers in Earth Science, 2023
Ash is a potential sink of volcanically sourced atmospheric mercury (Hg), and the concentration of particle-bound Hg may provide constraints on Hg emissions during eruptions. We analyze Hg concentrations in 227 bulk ash samples from the Mount Spurr (1992)
D. Skye Kushner, Taryn M. Lopez, Kristi L. Wallace, David E. Damby, Christoph Kern, Cheryl E. Cameron   +5 more
doaj   +1 more source

Development of an open source Debris Flow Simulator for “Sabo” (DFSS) [PDF]

E3S Web of Conferences, 2023
We report the development of an open source “Debris Flow Simulator for Sabo” (DFSS). DFSS consists of three models corresponding to three geomorphological regions (mountain hillside slopes, mountain-to-plain river channels, and lower plains).
Shimizu Takeshi, Yamazaki Yusuke, Imamori Naoki   +2 more
doaj   +1 more source

Characterizing and Locating Seismic Tremor during the 2022 Eruption of Mauna Loa Volcano, Hawai’i, with Network Covariance

The Seismic Record, 2023
The 2022 eruption of Mauna Loa Volcano, Hawai’i, was accompanied by continuous seismic tremor that began about 30 min before and ended several days after the eruption.
Sean P. Maher, Phillip Dawson, Alicia Hotovec‐Ellis, Weston A. Thelen, Arthur Jolly, Ninfa Bennington, Jefferson C. Chang, Peter Dotray   +7 more
doaj   +1 more source

Volcanic earthquake catalog enhancement using integrated detection, matched-filtering, and relocation tools

Frontiers in Earth Science, 2023
Volcanic earthquake catalogs are an essential data product used to interpret subsurface volcanic activity and forecast eruptions. Advances in detection techniques (e.g., matched-filtering, machine learning) and relative relocation tools have improved ...
Darren Tan, David Fee, Alicia J. Hotovec-Ellis, Jeremy D. Pesicek, Matthew M. Haney, John A. Power, Társilo Girona   +6 more
doaj   +1 more source

A Multidisciplinary Investigation Into the Eruptive Style, Processes, and Duration of a Cascades Back-Arc Tholeiitic Basalt: A Case Study of the Brushy Butte Flow Field, Northern California, United States

Frontiers in Earth Science, 2021
The Cascades back-arc in northern California is dominated by monogenetic tholeiitic basalts that erupted throughout the Pleistocene. Elucidating their eruptive history and processes is important for understanding potential future eruptions here. We focus
Drew T. Downs, Duane E. Champion, Michael A. Clynne, L. J. Patrick Muffler   +3 more
doaj   +1 more source

Dynamics of the December 2020 Ash‐Poor Plume Formed by Lava‐Water Interaction at the Summit of Kīlauea Volcano, Hawaiʻi

Geochemistry, Geophysics, Geosystems, 2023
On 20 December 2020, after more than 2 years of quiescence at Kīlauea Volcano, Hawaiʻi, renewed volcanic activity in the summit crater caused boiling of the water lake over a period of ∼90 min. The resulting water‐rich, electrified plume rose to 11–13 km
Ryan C. Cahalan, Larry G. Mastin, Alexa R. VanEaton, Shaul Hurwitz, Adam B. Smith, Josef Dufek, Stephen A. Solovitz, Matt Patrick, Johanne Schmith, Carolyn Parcheta, Weston A. Thelen, Drew T. Downs   +11 more
doaj   +1 more source

Officially social: Developing a social media crisis communication strategy for USGS Volcanoes during the 2018 Kīlauea eruption

Frontiers in Communication, 2023
The USGS Volcano Science Center has a long history of science and crisis communication about volcanoes and their eruptions. Centered mainly on websites, email notifications, traditional media, and in-person interaction in the past, our toolkit has ...
Wendy K. Stovall, Jessica L. Ball, Elizabeth G. Westby, Michael P. Poland, Aleeza Wilkins, Katherine M. Mulliken   +5 more
doaj   +1 more source

The cascading origin of the 2018 Kīlauea eruption and implications for future forecasting

Nature Communications, 2020
The 2018 summit and flank eruption of Kīlauea Volcano was one of the largest volcanic events in Hawaiʻi in 200 years. Data suggest that a backup in the magma plumbing system at the long-lived Puʻu ʻŌʻō eruption site caused widespread pressurization in ...
M. R. Patrick, B. F. Houghton, K. R. Anderson, M. P. Poland, E. Montgomery-Brown, I. Johanson, W. Thelen, T. Elias   +7 more
doaj   +1 more source

Review of the 2022 eruption of Tonga Volcano —Implications for domestic volcano monitoring researches

地球与行星物理论评, 2022
On January 15th, 2022, a submarine volcano in Tonga erupted violently and explosively, ejecting a large amount of ash, gas and water vapor which entered the stratosphere to form a huge ash cloud.
Yujia Song, Rongji Cao, Xiaodong Pan, Guohui Gu, Di Han, Sheng Guan, Liying Sun   +6 more
doaj   +1 more source

Prevalence of Seismic Rate Anomalies Preceding Volcanic Eruptions in Alaska

Frontiers in Earth Science, 2018
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, John J. Wellik, Stephanie G. Prejean, Sarah E. Ogburn   +3 more
doaj   +1 more source