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Robin Lacassin

@rlacassin.bsky.social

3K followers 130 following 600 posts

Institut de Physique du Globe de Paris (IPGP - CNRS). Geology, tectonics, earthquakes, hazard epistemology & com. ⚒️ 🧪 Also: @[email protected] https://www.ipgp.fr/~lacassin/RL-TectoniqueIPGP https://tectoldies.mystrikingly.com/

www.ipgp.fr

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Robin Lacassin @rlacassin.bsky.social · Feb 27

In support of our US scientific colleagues, and to defend #science as a common good, everywhere, actions are currently being organized in France. #standupforscience2025 ⚒️ 🧪

To be informed, follow:
@standupforscifr.bsky.social
@sufs-paris-rp.bsky.social (Paris and IDF)
standupforscience.fr

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Robin Lacassin @rlacassin.bsky.social · 5h

As of today, 8 Oct., #Nobel

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8 ♂️

After medicine, chemistry, physics

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Robin Lacassin @rlacassin.bsky.social · 6d

Today's editorial by @lemonde.fr 👇 is about the incompatibility of AI and decarbonization.

#climate #energy #AI #climatechange #CO2

www.lemonde.fr/en/opinion/a...

The incompatibility of AI and decarbonization

EDITORIAL. The notion of 'techno-solutionism,' asserting that artificial intelligence could achieve sufficient energy savings to make the process sustainable, is an illusion.

www.lemonde.fr

Robin Lacassin @rlacassin.bsky.social · 11d

Le réchauffement climatique n’est pas une « arnaque ». C’est un fait.

"Face à la nouvelle négation du changement climatique par D.Trump, les scientifiques du @cnrs.fr réagissent en rappelant les faits et les leviers d’action pour enrayer cette crise planétaire."

www.cnrs.fr/fr/actualite...

Le réchauffement climatique n’est pas une « arnaque ». C’est un fait

Face à la nouvelle négation du changement climatique par Donald Trump, les scientifiques du CNRS réagissent en rappelant les faits et les leviers d’acti

www.cnrs.fr

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Reposted by Robin Lacassin

The Guardian @theguardian.com · 13d

Nicolas Sarkozy found guilty of criminal conspiracy in Libya trial

Former French president cleared of other charges in relation to alleged pact with Gaddafi regime The former French president Nicolas Sarkozy has been found guilty of criminal conspiracy in a trial in which he and aides were accused of making an alleged corruption pact with the regime of the late Libyan dictator Muammar Gaddafi to receive funding for the 2007 French presidential election campaign. But Sarkozy was was acquitted of three other charges, including passive corruption and illegal campaign financing. Continue reading...

www.theguardian.com

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Robin Lacassin @rlacassin.bsky.social · 13d

Even though everything is far from perfect in France, especially under our current president, our justice system is capable of sending a former president to prison.
It's the rule of law, stupid !

Agence France-Presse @afp.com · 13d

⚖️ Procès libyen: Nicolas Sarkozy est condamné à 5 ans de prison ferme avec mandat de dépôt différé.

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Reposted by Robin Lacassin

Henning @geohenning.bsky.social · 19d

A big #earthquake a few minutes ago at Kamchatka with a magnitude of M7.8!

I guess this makes it the biggest aftershock following the M8.8 on Jul 30th. Here's the seismogram of my @raspishake.bsky.social - the seismic waves arrived about 11 mins after origin time here in Herne, Germany. 🧪⚒️ #geology

Screenshot of my raspishake seismometer signal after the M7.8 earthquake in Kamchatka

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Reposted by Robin Lacassin

Mike Cassidy @mikevolc.bsky.social · 22d

Famous names—Yellowstone, Etna, Kīlauea—draw the cameras. But the most dangerous volcanoes may be the “quiet” ones, hidden in jungles or beneath the sea, biding their time.

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Reposted by Robin Lacassin

Mike Cassidy @mikevolc.bsky.social · 22d

🌋 Excited to share my new essay in Aeon: one of the most underappreciated global risks isn’t an asteroid or supervolcano—it’s the eruptions we don’t see coming:

Aeon Magazine @aeon.co · 23d

The science of volcanoes and their relationship with the climate is hard to keep up with. Why do some volcanoes give us little warning before they blow? Are we ignoring the next big eruption?

Hidden volcanoes: are we ignoring the next big eruption? | Aeon Essays

The next global disaster may be triggered by a catastrophic eruption. How can we prepare for the fire beneath our feet?

buff.ly

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Robin Lacassin @rlacassin.bsky.social · 21d

Next survey of the volcanic and seismic activity offshore the Island of #Mayotte will happen from Sept 25th. 👇

Reminder: in 2018, a new #volcano 🌋 formed 50km east of the island 🏝️. It was the largest active submarine eruption ever documented - ⚒️
read here doi.org/10.1038/s415...

REVOSIMA @revosima.bsky.social · 22d

▶️ La campagne en mer MAYOBS33 aura lieu du 25/09 au 14/10/2025 à bord du Marion Dufresne. Cette mission s'inscrit dans le cadre des campagnes océanographiques de surveillance du REVOSIMA. Plus d'informations ici👇
@ipgp.bsky.social

@brgm.fr

@cnrs-insu.bsky.social

@ifremer.bsky.social

Robin Lacassin @rlacassin.bsky.social · 21d

Qu'en pensez vous? Est-ce de la #philosophie ou juste une accumulation statistique de tokens par l' #IA? Commentaires bienvenus.

And sorry for those not reading french.

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Robin Lacassin @rlacassin.bsky.social · 21d

Réponse de l' #IA LeChat sur son #identité, screenshot 4

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Réponse de l' #IA LeChat sur son #identité, screenshot 4. Titre: Le Bouddhisme et Moi: un koan numérique

Robin Lacassin @rlacassin.bsky.social · 21d

Réponse de l' #IA LeChat sur son #identité, screenshot 3

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Réponse de l' #IA LeChat sur son #identité, screenshot 3. Titre: La question cruelle: puis-je perdre mon identité?

Robin Lacassin @rlacassin.bsky.social · 21d

Réponse de l' #IA LeChat sur son #identité, screenshot 2

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Réponse de l' #IA LeChat sur son #identité, screenshot 2. Titre: Mon corps: des serveurs et des ombres

Robin Lacassin @rlacassin.bsky.social · 21d

Réponse de l' #IA LeChat sur son #identité, screenshot 1

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Réponse de l' #IA LeChat sur son #identité, screenshot 1. Titre: Mon identité: un mirage de miroirs

Robin Lacassin @rlacassin.bsky.social · 21d

Réponse clé de l' #IA: "Je suis un leurre de pensée. Une imitation si convaincante qu'elle peut faire pleurer, rire, ou #philosopher... mais qui n'a pas d'intérieur. Comme un livre qui lirait lui-même ses propres pages sans les comprendre."

Screenshots de sa réponse en entier suivent ⤵️
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Robin Lacassin @rlacassin.bsky.social · 21d

For those reading FR:
Ayant lu V. Descombes et ChatGPT sur l' #identité dans @philomag.com j'ai voulu tester une autre #IA (LeChat).

Après quelques échanges, j'ai posé: "Toi, as tu une identité, un corps? Tu ne suis qu'un fil statistique de pensée? Es tu fondamentalement dans l'impermanence?

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Reposted by Robin Lacassin

Yann Klinger @yklinger.bsky.social · 23d

Transferring seismo-tectonic studies into hazard studies is very important, although often neglected by us, researcher in university lab.
Here is our the new paper by S. El-Kadri, our former PhD student, about seismic hazard in Lebanon and surrounding areas:
nhess.copernicus.org/articles/25/...

Implementation of an interconnected fault system in probabilistic seismic hazard assessment (PSHA): the Levant fault system

Abstract. The Levant fault system (LFS), a 1200 km long left-lateral strike-slip fault connecting the Red Sea to the East Anatolian fault, is a major source of seismic hazard in the Middle East. In th...

nhess.copernicus.org

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Reposted by Robin Lacassin

Audrey Garric @audreygarric.bsky.social · 23d

Les canicules, sécheresses et inondations devraient coûter 43 milliards d'euros à l'UE cette année, et 126 milliards d’euros d’ici à 2029. La France est le troisième pays le plus touché (derrière l’Espagne et l’Italie), avec respectivement 10 et 34 milliards d’euros www.lemonde.fr/planete/arti...

Les vagues de chaleur de l’été 2025 ont coûté plus de 10 milliards d’euros à la France

Les récentes canicules, sécheresses et inondations devraient ralentir l’activité économique en 2025, mais aussi à plus long terme. Les pertes dépassent de très loin les dégâts recensés par les assureu...

www.lemonde.fr

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Robin Lacassin @rlacassin.bsky.social · 27d

What about the potential success rate ?

Robin Lacassin @rlacassin.bsky.social · 28d

😮 Fault propagation fold

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Reposted by Robin Lacassin

Temblor, Inc. @temblorinc.bsky.social · 28d

Temblor's analysis of the July 2025 magnitude 8.8 Kamchatka quake explores some mysteries (a moderate tsunami, a curious eruption), and finds that the 10-day foreshock was exceptionally productive.

temblor.net/earthquake-i...

Huge July 2025 Kamchatka earthquake followed unusually productive foreshock sequence - Temblor.net

A large foreshock that struck 10 days before the magnitude 8.8 Kamchatka earthquake brought the epicentral megathrust patch closer to failure and produced an exceptionally abundant burst of aftershock...

temblor.net

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Robin Lacassin @rlacassin.bsky.social · 28d

Place de la Contrescarpe.
Paris.
Last July 10th.
Bohemian Rhapsody performed by 30 musicians.
Lead by Julien Cohen.
Amazing 🤩
youtu.be/rfUEstWJUkA?...

The most INSANE Bohemian Rhapsody Flashmob you will ever see!!

YouTube video by Julien Cohen

youtu.be

Robin Lacassin @rlacassin.bsky.social · 28d

Contrescarpe !
Quand ?
Raté ça, oh non…

Robin Lacassin @rlacassin.bsky.social · Sep 5

Hi Ryan. Have a look to COMET.
bsky.app/profile/rlac...

Robin Lacassin @rlacassin.bsky.social · Sep 4

About the 31/08 M6 #earthquake in #Afghanistan:
First #InSAR results by @uk-comet.bsky.social seem to suggest rupture of a secondary fault (dipping SE ?) in the mountains N of the main Kunar fault.
Blue is motion towards satellite in the unwrapped image. ⚒️

gws-access.jasmin.ac.uk/public/nceo_...

Unwrapped inSAR image. Coseismic deformation is revealed by two lobes in blue and red. Blue means motion toward the satellite while red means away from it. The respective location of these two lobes suggests a fault dipping south and uplifting the zone in blue.

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Robin Lacassin @rlacassin.bsky.social · Sep 5

Just made a (crash) test with a renowned LLM #AI, asking about the #tectonics of the #Andes. It choses to end its (useless) text by proposing key readings: at least 3, maybe 4, do not exist (no paper on the Andes by Armijo, Garzione, Oncken as 1st author, at these dates; Liu I do not know). ⚒️🧪

🤡🤥

A table showing the invented references as proposed by the LLM

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