
Volcanologist & Petrologist, Associate Professor at @geology_bham, research affiliate @OxUniEarthSci & @CSERcambridge, co-founder @GloVolcRisk
Oxford, England
Joined January 2014
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Mike Cassidy retweeted
I really liked the paper, but I was curious about the data. So I quickly vibe-coded an interactive interface.
If you are into civilization-scale prepping, this paper is a must read. onlinelibrary.wiley.com/doi/…
Mike Cassidy retweeted
🌋📽️ This animation shows the sulfur emissions generated by the eruption of the Ethiopian volcano Hayli Gubbi.
The data represents the values of Total column volcanic sulphur dioxide using CAMS data, with the plume extending from the African continent to India.
#CopernicusEU
Mike Cassidy retweeted
The ash cloud from the erupting Hayli Gubbi volcano in northern Ethiopia on November 23rd continues to move east. The Tokyo Volcanic Ash Advisory Center, one of nine VAACs worldwide, has now taken over responsibility for the so-called ‘ash event.
Mike Cassidy retweeted
A major volcanic eruption in Ethiopia has disrupted flight operations, leading to the diversion of an IndiGo flight to Ahmedabad. Aviation authorities across India are closely monitoring the situation to ensure passenger safety amid ash plume threats.
The disruption comes as ash plumes from Ethiopia’s Hayli Gubbi volcano, which erupted on Sunday for the first time in nearly 10,000 years, were projected to move towards northern India, raising concerns for flight routes passing through the region.
Read more - intdy.in/t10ocj
Mike Cassidy retweeted
🌋 #HayliGubbi — a once-dormant shield volcano in Ethiopia’s Afar Rift — has exploded to life. Its ash plume soared to 45,000 ft, signaling a rare, high-energy event in a volcano with no known eruptions for millennia.
Visualized: @NASAEarth
🛰 #NASA🌍 #worldview
Uno dei pochissimi video dell'intensa (e rara) eruzione esplosiva avvenuta in #Etiopia poche ore fa. Secondo il VAAC, la colonna eruttiva ha raggiunto una quota di 14 km. Tutti gli indizi portano al vulcano #HayliGubbi, che potrebbe aver prodotto la sua prima eruzione storica.
Mike Cassidy retweeted
Are you a driven scientist/coder who has experience or interest in remote sensing? Want to use your skills in earthquake research? Join the team of the LInOG Project at the University of the Philippines! More details here: docs.google.com/document/d/1…
Mike Cassidy retweeted
Article: Mantle upwelling beneath the Afar rift may be influenced by tectonic processes in the overriding lithospheric plates
@WattsGeology @GeoFizz_DK @SorcerInSAR @OceanEarthUoS @SwanseaTephra
nature.com/articles/s41561-0…
Mike Cassidy retweeted
We've just launched our new newsletter! We'll be using it to share our activities, opportunities and updates quarterly, so make sure you sign-up via the website to keep in the loop! globalvolcanoriskalliance.co… Here is a summary of our June edition:
Mike Cassidy retweeted
I just published an explainer on aerosols and their role in the climate that I've been working on for the past few months! It includes both how aerosols work, how emissions have changed, and how thats driven recent warming (link below).
Mike Cassidy retweeted
Our new paper on volcanoes and the subsea cable network, led by @mikeaclare @NOCnews, is out today in Bulletin of Volcanology. Get it here: link.springer.com/article/10…
Mike Cassidy retweeted
Understanding processes in trans-crustal magma reservoirs - come and apply for a 2-3 years postdoctoral fellowship to a young Hungarian research group (pannonvulkan.hu/)! Details of the MSCA programme are here: momentummsca.mta.hu/ contact: [email protected]
Mike Cassidy retweeted
Article: Little sulfur from the 2022 Hunga submarine eruption reached the atmosphere due to seawater-magma interactions
@scronin70
nature.com/articles/s41561-0…
Mike Cassidy retweeted
Our recent @NERCscience funded expedition to study hydrothermal interactions with caldera volcanoes is in the news. Check it out here: bbc.co.uk/news/articles/cm25… or from about 15 minutes in here bbc.co.uk/iplayer/episode/m0…. @NOCnews
Mike Cassidy retweeted
#Spurr YELLOW/ADVISORY Information Statement
Apr 17, 2025
The likelihood of a Spurr eruption has decreased from March, but the volcano remains at an elevated level of unrest & an explosive eruption (or eruptions) like those that occurred in 1953 and 1992 is still possible. (1/6)
Mike Cassidy retweeted
This time 15 years ago Eyjafjallajökull in Iceland was erupting (just look at the lava bombs!).
The eruption grounded over 100,000 flights and at its peak, over 20 European countries had closed their airspace.
nitter.gq/cfariasvega/status/119…
Mike Cassidy retweeted
After last week's announcement that the likelihood of a Mount #Spurr eruption has increased, now is a good time for Alaska residents, especially in southcentral Alaska, to familiarize themselves with the possible hazards of a Spurr eruption. (1/5)
Mike Cassidy retweeted
I'm excited to be part of the UKRI ARC Accelerate cohort for 2025 which will allow me to spend the next 6 months focused on the development of our new charity @GloVolcRisk!
📣 Welcome to our ARC Accelerate 2025 cohort!
18 talented and ambitious teams are joining us today to transform their research ideas into sustainable and impactful ventures.
We’ll properly introduce our new cohort soon, but for now, let’s get started! 🚀
@ESRC @ahrcpress
Mike Cassidy retweeted
Actualmente se ha activado el Comité Multiamenzas de INSIVUMEH, se tiene el registro de 8 horas continuas de actividad con flujos pioclásticos y emisión de ceniza afectando los departamentos de Chimaltenango, Escuintla, Sacatepéquez, Sololá y Totonicapán.
Mike Cassidy retweeted
An update on magnitude vs time, maximum recorded PGA and estimated shaking from all Md>2.5 events at Campi Flegrei in hte last years.
[@UninaIT | @IussPavia | @ConsorzioReLUIS]
Mike Cassidy retweeted
Lo sciame sismico in corso ai #CampiFlegrei ha superato quota 350 terremoti registrati in poco più di 24 ore. Per durata e numero di eventi si tratta di uno degli sciami più importanti che si sono verificati all'interno della caldera negli ultimi 40 anni.










































