Posts in the category »   «  ( 28 Posts )

Following an un-systematic post-dinner doomscrolling I’m happy to declare May 2022 as the trenchiest month ever. Here’s some exhibits:

Safety first; if cozy and comfy it’s better.

The award goes to Stéphane Baize (@Stef_EQ_Geology) and their trenches along the Cévennes fault: look at the details in the photo… like “paleo” engraved in the wooden frame to prevent collapse of the trench wall. And what about the tent? 10/10 professional style.

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Landscape photography award

The winner is Colca Canyon in Southern Peru, take a look at the pictures by Anderson Palomino (@AndersonRPT1) and Carlos Benavente (@clbenavente)

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Best flower structure award

No doubts here, easy win for Ian Pierce (@neotectonic) and their trenches in Azerbaijan. Follow him for stunning field photos and videos.

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Mud club

Mention goes to Jade Humprey (@ForFaultsSake).

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The tricks of the trade.

Learn them from Jonathan Obrist-Farner (@guateologist) uncovering the mysteries of the 1976 Motagua rupture in Guatemala

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Category “You don’t need a trench to find good stratigraphy”.

Prize goes to Gabriel Easton Vargas (@geastonvargas) and paleotsunami research in semiarid Chile

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Category “Let’s the student do the work”.

Terrific exhibit by Shreya Arora (@shryaarora) trenching in the Himalaya region

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Never without a nijiri gama.

Award is won by Sambit Prasanajit (@SPrasanajit) and their sites in S. Korea

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Fancy fence

The winner is PhD student Argelia Silva Fragoso (@Argy_sf) from Insubria university, digging trenches in Central Italy

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Sorry if I missed someone, I wish you all a safe and fruitful field season!

Our paper list is full of classic paleoseismic trenching studies from all over the world – fascinating to see how quickly the number of trenches is rising. We also have papers on tools & methodology, and on earthquake proxies that open new possibilities to study past large events. Don’t miss Ferrario et al. who compiled 15 years of research on earthquake environmental effects!

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Hungary plans to build a new nuclear power plant (NPP) at the banks of the Danube near Paks, where another NPP is already running for several decades. An interesting story is currently unfolding around the geological site conditions, and this story includes paleoseismology. In short, the Austrians and external experts argue the planned NPP Paks II will sit on a capable fault, while the Hungarians say there is a fault, but it can’t rupture the surface. Actually, it’s a bit more complicated…

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These are the latest papers on paleoseismology, active tectonics, and archaeoseismology. Don’t forget to save the date for the Pata Days in France: 26-30 September, 2022. http://pata-days.org/

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Here we are with the latest list of papers on paleoseismology and active tectonics, and we start with a surprise: A published paper on the 8 January 2022 Ms 6.9 Menyuan earthquake! A mere three weeks after the event, Yang et al. have already managed to get their rapid report accepted. Spoiler: It includes an offset animal footprint trace in snow! But there’s a lot of other interesting stuff in the list, too – check it out!

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The South Caspian Basin (SCB) is an aseismic block that moves independently to its surroundings. Together with the Arabia-Eurasia collision, it controls the active tectonics of Turkmenistan. The directions, rates, and rotation poles of the SCB relative to Iran and Eurasia are not well resolved. In a new paper recently published in TECTONICS, we constrain the motion of the SCB by measuring the slip rate of the Main Kopeh Dagh Fault (MKDF) in Turkmenistan. Here’s what we found:

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A new special issue has been published in Frontiers. While most of paleoseismological studies deal with onshore faults for obvious reasons, this collection of 15 studies is all about offshore faults. The papers are of course full of wonderful high-resolution bathymetry data and shallow seismic profiles, but they also deal with the important question of how to implement these data into seismic hazard assessments and how to deal with the patchy fault information. The study areas cover marine settings and lacustrine environments.

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This months we have a lot of studies on Mediterranean tectonics, first of all from Italy, and many papers on China and the US. Besides, there are some interesting methodological studies and research from areas that had recent seismic crises such as Puerto Rico and Thessaly. Enjoy reading!

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Only one month has gone and the list of new papers is again quite long. We have classic paleoseismology, a number of studies on historical earthquakes, some cool tsunami stuff, and a few more general papers on earthquake geology; plus: an inspiring article by Jim and Eldon on the science and the business of paleoseismology. Enjoy reading!

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For most of us the summer break is over and teaching, field work, and office work is starting again or has already started. Time to catch up with the latest papers I suppose! This time we have quite a lot of “classical” paleoseismology in our list, but also plenty of interesting remote sensing and tsunami stuff. Enjoy reading!

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