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Recent Activity of Nyiragongo (Democratic Republic of Congo): New Insights From Field Observations and Numerical Modeling

Abstract : Nyiragongo volcano is known for its active lava lake and for socioeconomic issues arising from future possible eruptive events having major impacts on the community living in the Virunga region. The 2020 eld expedition inside the summit crater has allowed the collection of unprecedented eld observations to state on the current activity. Since the February 2016 intracrater event, the crater oor level has been rising much faster than during the 2010–2016 period. The current activity is reminiscent of the 1970–1972 and 1994–1995 periods preceding the lava lake drainage events in 1977 and 2002. Numerical simulations, successfully validated with data over the past 30 years, show that the rising of the crater oor could slow down in the next months/years and reach a critical equilibrium. Based on the past eruptive history and on the current activity, a ank eruption in the March 2024 to November 2027 interval could be a possible scenario.
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Submitted on : Thursday, November 12, 2020 - 4:00:56 PM
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P.‐y. Burgi, G. Boudoire, F. Rufino, K. Karume, D. Tedesco. Recent Activity of Nyiragongo (Democratic Republic of Congo): New Insights From Field Observations and Numerical Modeling. Geophysical Research Letters, American Geophysical Union, 2020, 47 (17), ⟨10.1029/2020GL088484⟩. ⟨hal-02946391⟩

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