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Christoph Grützner

@ch-gruetze

Researcher @ Uni Jena, earthquakes, tectonics, faults, maps, INQUA, geophysics, geomorphology, geology

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25.01.2026
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Latest posts by Christoph Grützner @ch-gruetze

webcam still of volcano Fuego erupting in the moonlight

webcam still of volcano Fuego erupting in the moonlight

Fuego volcano in Guatemala looks incredible in the moonlight right now.
Live webcam: www.youtube.com/watch?v=UdZx...

27.02.2026 08:01 👍 2 🔁 0 💬 0 📌 0
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The Department of Earth Sciences and St Peter's College are recruiting an Associate Professor (or Professor) in Earth Surface Processes to join our thriving academic community!

earth.web.ox.ac.uk/vacancies

20.02.2026 10:22 👍 13 🔁 10 💬 0 📌 0
The cathedral of Metz at night

The cathedral of Metz at night

The cathedral of Metz - probably the largest and certainly one of the most beautiful French churches I've ever been to

21.02.2026 13:09 👍 2 🔁 0 💬 0 📌 0

It's been a while since I looked for earthsci education resources 😅 does anybody know of raspberry pi seismometer activities for primary level? 🙏❤️⚡

18.02.2026 22:14 👍 0 🔁 2 💬 1 📌 0
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Assistant Professor in Earth materials & mineral science Are you the team player and initiative taking entrepreneur to complement our Earth Sciences faculty in earth materials research and/or mineral sciences?

Come join us at Utrecht Eartn Sciences!

www.uu.nl/en/organisat...

19.02.2026 06:20 👍 12 🔁 14 💬 0 📌 0
Graffiti: drone in a cage surrounded by crows

Graffiti: drone in a cage surrounded by crows

I like that

18.02.2026 17:07 👍 3 🔁 0 💬 0 📌 0
Weathered rocks on a beach

Weathered rocks on a beach

Night view of a beach promenade

Night view of a beach promenade

A manta's egg

A manta's egg

Enjoying sunshine on England's south coast.

17.02.2026 18:49 👍 5 🔁 0 💬 0 📌 0
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Ziemia pod Tatrami kiedyś pękła. Teraz naukowcy pokazują dowody Karpaty Zachodnie przez lata uznawano za obszar bezpieczny sejsmicznie. Tymczasem nowe odkrycie naukowców pokazuje, że przeszłość regionu była znacznie bardziej burzliwa. W okolicach Brzegów na Podhal...

Our paper about the curiously tall fault scarp in the Carpathians is featured in National Geographic Poland with cool photos of @speleojacek.bsky.social and Krzysztof Gaidzik
www.national-geographic.pl/przyroda/nie...

13.02.2026 10:37 👍 8 🔁 2 💬 0 📌 0
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» Call for papers – several special issues on paleoseismology and active tectonics

Call for papers – several special issues on paleoseismology and active tectonics
paleoseismicity.org/call-for-pap...

11.02.2026 19:07 👍 4 🔁 2 💬 0 📌 0
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🌋Deep beneath the Apennines, hidden quake clusters are on the move—fluid‑powered and fault‑jumping. Vuan et al. study shows how they link Italy’s major 2009 and 2016 quakes.

🔗 Read more: seismica.library.mcgill.ca/article/view...

11.02.2026 03:16 👍 7 🔁 3 💬 0 📌 1
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Raiders of the Lost #Scarp
#fieldwork on Crete🇬🇷
@paleoseismicity.bsky.social
@ncn.gov.pl

09.02.2026 10:57 👍 8 🔁 2 💬 1 📌 0
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Impressive normal fault in western Guatemala! #patadays post-congress field trip

06.02.2026 22:06 👍 22 🔁 4 💬 0 📌 2

Everyone loves 3D prints of #lidar topography! We put together a how-to tutorial video using the DEMto3D #QGIS plugin to make prints like these examples from @bayesmap.bsky.social. Check it out: opentopography.org/learn/3D_pri...

05.02.2026 03:45 👍 5 🔁 1 💬 1 📌 0
Title page of a review paper on the 1976 Earthquake

Title page of a review paper on the 1976 Earthquake

Today is the 50th anniversary of the Mw7.5 Guatemala Earthquake. The first sessions commemorate this disastrous event and shed light on the tectonics of the plate boundary and anti-seismic design in the UNESCO World Heritage site of Antigua.
#PATADays

04.02.2026 15:02 👍 1 🔁 1 💬 0 📌 0
Offset columns in a church

Offset columns in a church

Beautiful offset columns and walls - earthquake damage in Antigua Guatemala

03.02.2026 19:28 👍 1 🔁 0 💬 0 📌 0
Geologists in a convent

Geologists in a convent

Today we start with an Archaeoseismology walking tour through Antigua. Lots of earthquakes have affected the city since the 18th century, and we can see the traces as well as the antiseismic design. #PATADays

03.02.2026 15:00 👍 6 🔁 2 💬 1 📌 0
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Information for Researchers

The cooperation between DFG and #TWAS allows to invite researchers in early career phases #ECR from various countries outside Europe to an institution in Germany for a 3-month research and collaboration stay. Full information on requirements, deadlines and info sessions:
www.dfg.de/en/news/news...

03.02.2026 14:11 👍 12 🔁 7 💬 0 📌 0

🚨Job Alert! 🚨 Professorship (W 2) for #Petrology at #Geosciences, Uni Potsdam. 🧪⚒️

www.uni-potsdam.de/fileadmin/pr...

03.02.2026 02:59 👍 1 🔁 2 💬 0 📌 0
Silhouette of an erupting volcano

Silhouette of an erupting volcano

I learned a lot during the 1st day of the INQUA PATA Days meeting in Antigua Guatemala. Great talks!

03.02.2026 01:30 👍 2 🔁 0 💬 0 📌 0
A group of geologists in the field, standing around a trench

A group of geologists in the field, standing around a trench

The last day of the PATA 2026 field trip took us to the La Laguna trench site, which has evidence for five events including 1976

01.02.2026 22:45 👍 5 🔁 1 💬 0 📌 0
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#patadays Day 3. Another spectacular evidence of Motagua fault, in a complex structural bending at La Laguna. Trastensive cinematic, well expressed in a paleoseismological trench.

01.02.2026 21:57 👍 4 🔁 1 💬 0 📌 0
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🚨 New map redraws our understanding of how continents deform 🚨

We are excited to share ground-breaking work led by COMET Co-Director @timwrightleeds.bsky.social, published in @science.org. Read more: comet.nerc.ac.uk/new-map-redraws-our-understanding-of-how-continents-deform/

#Tectonics #Research

30.01.2026 11:39 👍 11 🔁 7 💬 0 📌 2
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#patadays Day 2. The rupture of 1976 eq. on the Motagua fault, and his offset along a canal

31.01.2026 22:56 👍 6 🔁 3 💬 2 📌 1
A group of geologists standing inside, and around, a trench

A group of geologists standing inside, and around, a trench

Day 1 of the PATA field trip led the participants to a slip rate site and a trench on the Motagua Fault. Today we will see earthquake damage to Maya ruins at Quirigua.

31.01.2026 11:58 👍 6 🔁 1 💬 0 📌 0
A group of geologists

A group of geologists

The pre-meeting field trip of the 2026 PATA Days starts from Antigua Guatemala with 40+ people from 15 countries.
Three days of paleoseismology, archaeoseismology, and active faults ahead of us.

30.01.2026 13:58 👍 4 🔁 3 💬 0 📌 0
A tree growing on a vertical concrete wall.

A tree growing on a vertical concrete wall.

That's not exactly the spot I'd have chosen if I were a tree. But little do I know for I am not a tree.

28.01.2026 20:25 👍 1 🔁 0 💬 0 📌 0
A volcano with a small ash cloud

A volcano with a small ash cloud

Volcano Fuego in Guatemala has some minor activity, probably excited to welcome PATA Days participants from all around the world, soon.

27.01.2026 20:40 👍 7 🔁 1 💬 0 📌 0
Ameise im Bernstein: †Ctenobethylus goepperti im Bernstein (links im Stein) aus Goethes Sammlung.
Foto: Bernhard Bock/Daniel Tröger

Ameise im Bernstein: †Ctenobethylus goepperti im Bernstein (links im Stein) aus Goethes Sammlung. Foto: Bernhard Bock/Daniel Tröger

3D-Rekonstruktion der Ameise und das Fossil im Original-Bernstein links daneben. Abbildung: Bernhard Bock/Daniel Tröger

3D-Rekonstruktion der Ameise und das Fossil im Original-Bernstein links daneben. Abbildung: Bernhard Bock/Daniel Tröger

After discovering an exceptionally well-preserved ant that is around 40 million years old in one piece of Goethe's amber collection, the team at #UniJena was able to capture detailed 3D-images of the ant and gained new insights into the extinct species.

➡️ www.uni-jena.de/en/382833/exc…

26.01.2026 15:09 👍 8 🔁 4 💬 0 📌 2
Pitfalls of multiplied 3D landforms projection: mapping deep multilevel cave systems in the Alps (Gamssteig Cave System, Göll Massif) Cave mapping represents one of the most complex challenges in geomorphological cartography, as it must convey the true three-dimensional geometry of subterranean spaces such as overlapping passages, i...

digitalcommons.usf.edu/ijs/vol55/is...

27.01.2026 08:46 👍 3 🔁 2 💬 0 📌 0
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📢Hot off press: Pitfalls of multiplied 3D landforms projection

Why #mapping still matters in the #LiDAR-dominated times?

We published some thoughts, tips and tricks on #cave mapping using the example of >10 km long, >1km deep Gamssteig Cave System in the Göll Massif #Alps
doi.org/10.5038/1827...

27.01.2026 07:41 👍 7 🔁 2 💬 1 📌 1