Posts in the category »   «  ( 20 Posts )

  • Guest blog by Javier Escartín (IPGP) & Frédérique Leclerc (EOS): Studying coseismic deformation along submarine faults

    The geometry, length, and displacement of fault ruptures that breach the surface provide critical information on the behavior of faults during seismic events (coseismic deformation), and on their long-term behavior. The study of coseismic fault ruptures has concentrated almost exclusively along continental faults, while submarine studies have been scarce, and only a few provided quantitative constraints in parameters such as fault displacement (e.g., Tohoku Earthquake). In addition to represent more than two thirds of the Earth’s seismicity, submarine faults can also be associated with tsunamis, potentially increasing the seismic hazard that these structures pose.

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  • New papers on paleoseismology, tsunami, and active tectonics (June 2016)

    It’s June and it’s time for a new paper round-up, isn’t it? When I compiled the list during the past weeks I already realized that there’s a lot of new literature out there, and I guess this month’s post is probably the longest list we’ve ever had – 21 articles! So here are the latest papers on paleoseismology, tsunamis (maaaany tsunami papers this time), and active tectonics. As always: Any suggestions are highly appreciated. Enjoy reading!

     

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  • IGCP Project 639 “Sea-level changes: From minutes to millenia” – First Meeting Announcement

    The IGCP project 639 deals with sea-level changes, coastal earthquakes, and inundation by storms and tsunami: “Sea-level changes: From minutes to millenia”. The first meeting in Oman will take place from 9-14 November 2016 and will cover all science under the IGCP project 639 banner. Make sure to put this on your agenda if you’re interested.

    Further details will be forthcoming in the second announcement in the next month. The abstract submission deadline will likely be 1 August, 2016.

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  • New papers on paleoseismology, tsunami, and active tectonics (Mar 2016)

    It’s only one month since my last paper update and yet I have nineteen interesting new studies for you. Today’s round-up includes tsunamis, tectonic geomorphology, environmental earthquake effects and soft sediment deformation, new techniques/technology, and some classic paleoseismology. Enjoy! more

  • Guest blog by Bastian Schneider (RWTH Aachen University): Tsunami hazard in Muscat, Oman

    Tsunamis are a very real threat in the Indian Ocean. Most people will immediately think of the 2004 tsunami and the Sumatra subduction zone, but the Arabian Sea has seen strong tsunamis in the past, too. In 1945, a major earthquake at the Makran Subduction Zone caused a large tsunami (Hoffmann et al., 2013a). In 2013, the on-shore Balochistan earthquake caused a submarine slide which in turn triggered a tsunami that reached the coast of Oman (Heidarzadeh & Satake, 2014; Hoffmann et al., 2014a). There is also evidence for paleotsunamis along Oman’s coast (Hoffmann et al., 2013b; Hoffmann et al., 2014b). Now a team of scientists from RWTH Aachen University (Germany) and GUtech (Muscat, Oman) have published a tsunami inundation scenario for Muscat (Schneider et al., 2016). This is lead author Bastian Schneider’s guest blog on this research: more

  • New papers on paleoseismology, tsunami, and active tectonics (Feb 2016)

    Here’s the February edition of my paper recommendations. This time we have:

    • Paleoseismology in Germany and Nepal (the latter with a focus on charcoal dating techniques),
    • Tsunamis in Greece, Portugal, Israel and Alaska,
    • Turbidites in Portugal,
    • New insights into the geodynamics of Mozambique,
    • Fault rheology in Iran,
    • Rupture jumps on strike‐slip faults, and
    • A MATLAB tool for seismic hazard calculations.

    Enjoy!

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  • Paleoseismology & active tectonics sessions at the IASPEI-LACSC meeting 20-22 June, 2016, San Jose, Costa Rica

    From 20-22 June, 2016, the IASPEI – Regional Assembly of the Latin-American and Caribbean Seismological Commission – LACSC will  be held in San Jose, Costa Rica. There will be some very interesting sessions on active tectonics, paleoseismology, seismic hazard, and intraplate faults: more

  • Paleoseismology & Tsunami papers – Christmas edition

    This is this year’s last issue of my paper round-up, and it includes some pretty interesting stuff. Our Greek colleagues published a report on the liquefaction caused by the 2014 Lefkada earthquakes, just in time with the recent earthquake that hit more or less the same area again (Papathanassiou et al., and see earlier posts here). Long et al. published a paper on iceberg-induced tsunamis, found in the sedimentary record – that’s a great story, isn’t it? Jacobson’s PhD on the Lake Heron Fault (NZ) is an interesting read, and Iván Sunyol’s paper on paleoseismological trenches in Mexico is especially interesting for those who attended the 2012 Morelia meeting. Zhou et al. come up with a great dataset of Pléiades imagery from the El Mayor-Cucapah Quake, Calais et al. have a close look on the northeastern Caribbean, and finally, Kufner et al.’s paper is about the collision between India and Asia deep below the Pamir and Hindu Kush.

    Enjoy reading and Merry Christmas!

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  • My top ten list of earthquake blogs

    I am running this blog for more than five years now and it is time to acknowledge the other geo-blogs out there that have inspired me. In order to stay updated I follow the Geobulletin, which monitors the geoblogosphere activity. There are numerous amazing blogs out there that are either fun to read or interesting or both, but here I will focus on the ones dealing with earthquakes/tectonics/geomorphology/tsunamis. Here is my personal, subjective, but honest, list of earthquake blogs that I like and read: more

  • New papers to read during the holidays

    A couple of interesting papers were published since my last round-up, including work on paleoseismology, tsunamis, measuring offsets, and boulder transport by storms. Enjoy reading! more

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