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Das Matterhorn bröckelt! Berghütten im Hitzestress - Rundschau - Play SRF

Fast schon unpassend wenn man die erschütternden Bilder aus Nepal/Tibet von heute morgen sieht. Danke SRF, Hörnlihütte, Air Zermatt dass wir schon so lange zu Gast auf dem Berg der Berge mit unserer Forschung sein dürfen. @uniinnsbruck.bsky.social @slfdavos.bsky.social www.srf.ch/play/tv/-/vi...

srf.ch

Der Klimawandel setzt Berghütten in der Schweiz zu. In Hitzesommer 2026 kämpfen viele mit grossem Wassermangel und bröckelnden Felsen. Wie blicken sie in die Zukunft?

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And it is estimated as M5.69 given the newest seismic analysis by GFZ - wow. Likely not just a little big chunk of ice, despite the 1000+m fall height but for now this is speculative. geofon.gfz-potsdam.de/eqexplorer/e...

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Actually USGS has a better estimate: M5.2 earthquake.usgs.gov/earthquakes/...

Jan Beutel @janbeutel.bsky.social · 16/08/2026

Landslide in Nepal - M4.4 - and we thought Blatten was big. What an enormous event and how cool that we can characterize and analyze this only minutes after it happened.

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www.youtube.com/watch?v=phn6... Pomona Media created a nice background story of what is currently going on on the highest mountains of Europe. Read the full story here: pomona.ch/story/787324...

youtube.com

Mythos Matterhorn, ein Besuch vor Ort

YouTube video by Pomona Media

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Jan Beutel @janbeutel.bsky.social · 24/07/2026

Surreal. July 19, 2003 - just four days after the big rockfall on the Hoernliridge I climbed Matterhorn for the first time. And then we thought it looks exceptionally barren and dry but in reality the Zmutt Rigde was still fully ice covered...

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Jan Beutel @janbeutel.bsky.social · 17/07/2026

Across the entire European Alps large high-alpine mass movements are increasing. Check out the Observational Seismic Catalog of Alpine Rockfalls (OSCAR) to dive into the details. If you have data to contribute, contact us: oscar.uibk.ac.at

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hey - i know this wobbly colormap jerking back and forth yellow-red-black...

Across the Alps large landslides (at higher elevations) are becoming an increasing concern. [3/3]

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In contrast to lowlands, in mountains permafrost (change) is occurring above our heads [W. Haeberli]. And in steep topography, change frequently results in erosion. [2/3]

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SRF News @news.srf.ch · 15/07/2026

As temperatures rise it is not only glaciers that react to climate change in high-mountain areas. Snow and ice melting away create completely new landscapes. What was long covered is now laying bare. [1/3]

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Reposted by Jan Beutel

Wegen der hohen Temperaturen ist die Steinschlaggefahr am Matterhorn erhöht. Bergführerinnen und Bergführer fordern nun eine Besuchergrenze. www.srf.ch/news/schweiz...

srf.ch

Hitzewelle: Wenn Touristen am Matterhorn zur Gefahr werden

Wegen der hohen Temperaturen ist die Steinschlaggefahr am Matterhorn erhöht. Bergführer fordern nun eine Besuchergrenze.

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Jan Beutel @janbeutel.bsky.social · 10/07/2026

The Matterhorn is just bare, hot rock, temperatures at Solvay 4000 m asl are way up in the positive range for over a month with no cooling in sight. Where will this take us?

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Jan Beutel @janbeutel.bsky.social · 21/11/2025

Danke das hab ich schon gesehen aber wenn ma das Full screen zeigt ist es sehr grob gerastert….

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Jan Beutel @janbeutel.bsky.social · 21/11/2025

Marcus, gibt es einen link zum download dieser grafiken in guter aufloesung (high res oder PDF) fuer vortrage etc???

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Jan Beutel @janbeutel.bsky.social · 14/11/2025

Check out the video abstract

Jan Beutel @janbeutel.bsky.social · 14/11/2025

Of course this is many magnitudes smaller than #Blatten and the Klein Nesthorn ridge collapse. But hey, the GNSS monitoring technology developed here truly delivered and consequently lives were saved. Congrats team: @uniinnsbruck.bsky.social @slfdavos.bsky.social @rwth.bsky.social @tum.de

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Jan Beutel @janbeutel.bsky.social · 14/11/2025

Super stoked our Matterhorn-Tower-Collapse paper is finally out @egu-esurf.bsky.social. Read all about what it takes to be able to now compute in simulation how thawing and fluid water availability influences real rock slope instabilities at high altitude: doi.org/10.5194/esur...

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Jan Beutel @janbeutel.bsky.social · 07/10/2025

Tirol und das Wallis diskutieren um die gleiche Vision: Mehr Wasserkraft aus den Bergen. Aber voneinander Wissen und Lernen ist bisher Fehlanzeige. #kaunertal #gornerli

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Jan Beutel @janbeutel.bsky.social · 17/09/2025

Check out the great lineup of speakers for our workshop tomorrow "The avalanche disaster in Blatten" where first insights and science results will be discussed. THU 18.09.2024 08:30-12:00h at IMC'25 in Innsbruck: imc2025.info/imc25/sessio... #blatten #rockfall #permafrost #glaciers

imc2025.info

#IMC25 - The avalanche disaster in Blatten

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Reposted by Jan Beutel

SCNAT @scnat.ch · 17/06/2025

🌡️ Der #Permafrost in den Schweizer #Alpen war 2024 so warm wie noch nie – das zeigen die neuesten Daten des Beobachtungsnetzwerks #PERMOS. Diese Veränderungen werden sich auch in den kommenden Jahren und Jahrzehnten fortsetzen ➡️ scnat.ch/de/id/WbQd9 #Klima #Klimawandel

Geophysikmessungen neben dem Bohrloch und der Meteostation auf dem Stockhorn. Der Text lautet: «Permafrost in den Schweizer Alpen – 2024 war ein weiteres Rekordjahr».

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Jan Beutel @janbeutel.bsky.social · 16/06/2025

Seeing #Blatten and the #Nesthorn collapse for real does leave a lasting impression. Yellow CAT excavators waiting look like ants.

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Jan Beutel @janbeutel.bsky.social · 01/06/2025

Same ballpark as the media conf yesterday (9mio) and great we can have such analysis do quickly

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Jan Beutel @janbeutel.bsky.social · 31/05/2025

Samidha, this is from the seismic networks accessible via FDSN. mass movements are tracked and cataloged by SED since a couple of years: seismo.ethz.ch/en/earthquak...

seismo.ethz.ch

SED | Switzerland

Earthquakes Switzerland

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That's because i already had a sip at the 🍺before the 📸

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The evac was based on pre-failure analysis of an imminent, very large rockfall. An in-situ GNSS sensor installed on friday 16th on the ridge as well as a first large rockfall caused the evac decision monday. Fun fact, the GNSS fell with one of the first rockfall events monday afternoon.

And no: "...Emergency managers had been observing increased glacier melt at Birch Glacier, ordering hundreds of villagers to evacuate after debris from the mountain behind the glacier crumbled days before the catastrophic collapse."

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Its an awkward article mixing different quotes, specifics and non-specifics as well as non truths. only one example: "...can melt permafrost..." - well if solid ground melted that would be lava i'm afraid. also

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After a full day of non stop interviews on rockfall, glaciers, permafrost and Valais natural hazard management it’s nice to end the day in a peaceful mountain setting. Why is it that despite how many times you explain that rocks fall because of this climate thingy they still put it in the headlines?

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All these events register nicely on the map. This is the biggest rockfall event and the seismic signal geolocates just at the base of the ridge. Also the geological situation and the permafrost question is illustrated (darker violet/blue means permafrost is more likely than yellow).

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Another magnitude 1.0 event was registered yesterday at 2025-05-29 12:34 in #Blatten. In the line of the 15 events registered over the past two weeks this one parks in at a moderate scale. And just another reminder that the mountain has not yet reached an equilibrium state yet.

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Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social · 29/05/2025

somehow i like this pointy hill. only why?😀

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Reposted by Jan Beutel

Absolutely stunning ultra-high resolution @planet.com SkySat imagery of the Klein Nesthorn landslide, which buried the village of Blatten, Switzerland yesterday. @davepetley.bsky.social @eth-eaps.bsky.social @vaw-glaciology.bsky.social @kristencook.bsky.social @annepellegrino.bsky.social 🧪⚒️🛰️

Satellite image of a landslide-dammed lake in Switzerland, which is flooding homes

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Methods that were groundbreaking in basic research are now butter and bread go-to-methods - in real time: 15:24h event happens, 15:30h E sent email request to SED to quickly check magnitude because of deteriorating visibility, 15:39 we KNOW it's M=3.1

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And there clearly is another thing "posterchild" about this. The remarkable capabilities and calmness in mitigation combined with innovative monitoring and assessment methods.

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Swiss Seismological Survey published a nice overview plot of the earth shaking and wobbling as response to first a series of rockfalls/rockslides onto the Birchgletscher and then finally more and more mumbling and rumbling leading to the final break-off.

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The Birchgletscher collapse shook the Matterhorn! Not really a surprise but a fun fact that the collapse of the Birchgletscher is clearly visible at our high-altitude seismic station Solvay 4003 m a.s.l. up on the Hörnliridge (bottom left).

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So what you are describing is the start of the failure process, then it takes some time until the sliding and tumbling creates enough energy for the big signal (the impacts downstream). This is the details from SED

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Suddenly, after a lot of this and that rumbling and spurious break-offs the whole video screen was erupting. A detailed side by side of video and seismic will show. But it does take time to build up the energy.

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I was clicking on and off the live stream video yesterday trying to concentrate on some other work. When noise started getting denser, rumbling more i got hooked and therefore saw the whole collapse on camera end-to-end. Also struggled screenshotting and filling bsky.social at the same time.

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