Eruption cycles of Mount Etna triggered by seasonal climatic rainfall

Sahoo, Sambit; Tiwari, Deepak; Panda, Dibyashakti; Kundu, Bhaskar

doi:10.1016/j.jog.2021.101896

Cited by 14 publications

(5 citation statements)

References 97 publications

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“…Respiratory diseases have been linked to human exposure to volcanic emissions, along with TB. Therefore, infectious respiratory diseases could be investigated along with volcano activity in Catania province, Eastern Sicily, and seasonality [ 67 , 68 ].…”

Section: Discussionmentioning

confidence: 99%

The Impact of the Seasonal and Geographical Distribution of Tuberculosis in Sicily: A 6-Year Retrospective Study (2018–2023)

Malta,

Serra,

Spatola

et al. 2024

JCM

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Background: Tuberculosis (TB) continues to be a major public health issue, with high mortality rates reported worldwide. It is worth noting that most of the hospitalizations for tuberculosis in the Sicilian region involve Italian-born individuals, underscoring the need to address this problem. Recent research on the geographic area and seasonality of infectious diseases, including tuberculosis, may aid in developing effective preventive measures. Objectives: This study aimed to evaluate the impact of the season and geographical area on tuberculosis disease prevalence in the Sicilian region. Methods: A retrospective study from January 2018 to May 2023 was conducted on patients with tuberculosis in the Sicilian region by analyzing computerized records on the Infectious Diseases Information System, currently named the Italian National Notification System (NSIS), of the Epidemiology Unit at Policlinico Paolo Giaccone University Hospital of Palermo and the Regional Reference Laboratory for Tuberculosis Surveillance and Control. Results: Eastern and Western Sicily were the geographical Sicilian areas with the highest frequency of patients with tuberculosis (52.2% and 42.6%, respectively). In comparison, Central Sicily had a significantly lower frequency of patients with tuberculosis (5.2%). Regarding the season, autumn was the season with the highest number of notification cases (28.9%), while spring was the season with the lowest frequency of patients with tuberculosis (19.7%). In autumn, we found significantly fewer patients with tuberculosis from Eastern Sicily (39.3%) and Central Sicily (1.5%), while Western Sicily had more patients with tuberculosis (59.3%). In spring, we found significantly more patients with tuberculosis from Eastern Sicily (64.1%), while Western and Central Sicily had significantly fewer patients with tuberculosis (23.9% and 12%, respectively). The presence of patients with tuberculosis did not significantly differ between geographical regions in summer and winter. Conclusions: Geographical area and seasonality significantly impact the distribution of tuberculosis cases in Sicily. These factors may be linked to different climatic conditions across the various geographical areas considered. Our findings suggest that climate can play a critical role in the spread of airborne infectious diseases, such as tuberculosis.

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Section: Discussionmentioning

confidence: 99%

The Impact of the Seasonal and Geographical Distribution of Tuberculosis in Sicily: A 6-Year Retrospective Study (2018–2023)

Malta,

Serra,

Spatola

et al. 2024

JCM

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“…Based on synchronizing Santorini's stratigraphy with the sealevel record using tephra layers in marine sediment cores, Satow et al (2021) showed that the large majority of the eruptions occurred during periods characterised by sea-level falls of [ 40 m and subsequent rises, suggesting a strong correlation between the eruptions of the Santorini and the sealevel change. Recent studies even suggested that the seasonal rainfalls can significantly weaken volcanoes as a result of pore-pressure build-up leading to dyke intrusion and eventually triggering the eruptive cycle (Sahoo et al, 2022).…”

Section: Seismotectonic and Geologic Setting Of Santorinimentioning

confidence: 99%

Landslide Induced Tsunami Hazard at Volcanoes: the Case of Santorini

Necmioğlu

Heidarzadeh

Vougioukalakis

et al. 2023

Pure Appl. Geophys.

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The destructive tsunami on 22 December 2018 due to the flank collapse of the Anak Krakatau volcano was a bitter reminder of large tsunami risks and of the shortcomings of the existing tsunami warning systems for atypical sources (tsunamis generated by non-seismic and complex sources). In the Mediterranean, several tsunamis were generated by landslides associated with volcanic systems in the past.The volcanic unrest experienced in 2011–2012 on the Santorini volcanic island in the Southern Aegean Sea pointed out the need to identify and quantify tsunami hazard and risk due to possible flank instability which may be triggered as a result of volcanic unrest or nearby seismotectonic activities. Inspired from this need, in this study we examined three possible landslide scenarios in Santorini Island with tsunamigenic potential. The results show that the scenarios considered in our study are able to generate significant local tsunamis impacting Santorini and the nearby islands, as well as producing significant impact along the coasts of the Southern Aegean Sea. While maximum tsunami amplitudes/arrival time ranges are 1.2 m/30-90 min for locations in the Greek-Turkish coasts in the far field, they are in the order of ≈60 m/1-2 min for some locations at the Santorini Island. The extreme tsunami amplitudes and short arrival times for locations inside the Santorini Island is a major challenge in terms of tsunami hazard warning and mitigation. As an effort to address this challenge, a discussion on the requirements for local tsunami warning system addressing atypical sources in the context of multi-hazard disaster risk reduction is also provided.

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“…The results of our modelling (Figures 10 and 11) may help explain why the frequency of landslides and the failure and collapse of volcanic slopes and domes increases following heavy rainfall (Kerle and van Wyk de Vries, 2001;Matthews et al, 2002;Matthews and Barclay, 2004;Elsworth et al, 2004;Simmons et al, 2004;Taron et al, 2007;Saucedo et al, 2008;Hicks et al, 2010;Vázquez et al, 2022). Extreme or heavy rainfall has been linked to multiple volcanic hazards (McKee et al, 1981;Matthews et al, 2002;Barclay et al, 2006), with theorised mechanisms that range from deep-seated saturation and stress perturbations (McBirney, 1955;Violette et al, 2001;Farquharson and Amelung, 2020;Sahoo et al, 2022) to shallow-seated processes operating in the dome or upper edifice. Of these, the latter is often explained in terms of volumetric expansion of liquids as a function of fuel-coolant interactions (Elsworth et al, 2004;Simmons et al, 2004;Taron et al, 2007), with dome pressurisation and/or weakening driven by thermal stress mechanisms (i.e.…”

Section: The Influence Of Water-saturation On Dome Stabilitymentioning

confidence: 99%

The influence of water-saturation on the strength of volcanic rocks and the stability of lava domes

Heap,

Harnett,

Farquharson

et al. 2023

Journal of Volcanology and Geothermal Research

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Eruption cycles of Mount Etna triggered by seasonal climatic rainfall

Cited by 14 publications

References 97 publications

The Impact of the Seasonal and Geographical Distribution of Tuberculosis in Sicily: A 6-Year Retrospective Study (2018–2023)

The Impact of the Seasonal and Geographical Distribution of Tuberculosis in Sicily: A 6-Year Retrospective Study (2018–2023)

Landslide Induced Tsunami Hazard at Volcanoes: the Case of Santorini

The influence of water-saturation on the strength of volcanic rocks and the stability of lava domes

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