Posts in the category »   «  ( 172 Posts )

  • Use late-Holocene tidal notches as earthquake geological effects?

    Tidal notches are a generally excepted sea-level marker. Particularly in the Mediterranean, those shoreline indicators are oftentimes used to infer coastal coseismic activity when they occur displaced from present day sea-level. Now, paleoseismologists should be able to visualize coastal evolution in order to better understand coseismic history. more

  • PATA Days 2017: Registration is now open

    The registration for the 2017 PATA Days INQUA meeting (International meeting on Paleoseismology, Archaeoseismology & Active Tectonics) in New Zealand is now open. Safe the dates 13th – 16th November 2017 and make sure to check out the wonderful field trip options.

    Registration website: https://www.gns.cri.nz/Home/News-and-Events/Events/PATA/Registration

    See you all in New Zealand in November!

  • Graduate Student/PostDoc Position available in Haifa – Integrated tsunami hazard study: Modeling and sediments

    This very interesting job offer was sent around by our colleague Beverly Goodman-Tchernov:

    Past tsunami events have impacted the Israeli coastline, and future tsunamis are anticipated.  Physical evidence exists both in historical written records and sedimentological field deposits. Incorporating physical evidence with computational modeling makes it possible to better understand the magnitude of past events and create realistic predictions for the future. The project is in collaboration with Geological Survey of Israel, Virginia Tech, IOLR, and the University of Haifa. It will use multi-sourced data to produce modeling scenarios for past tsunamis and produce a complex reference set of theoretical scenarios to be used in practical real-time hazard assessments. more

  • Paper: Using georadar and a mobile geoelectrics device to map shallow sediment distribution on a large scale

    [UPDATE 2017-05-14: The links now lead to the free version of the paper, available until 30 June.]

    Together with my colleagues I have published a new paper in which we describe a methodology for mapping the shallow architecture of large sedimentary basins with minimum effort and high resolution. We use two geophysical methods and combine them with point information from shallow drillings to identify different types of alluvial, fluvial, and aeolian sediments in the Orkhon Valley in Mongolia. We then show that our results fit well with a remote sensing approach. Although we did not target active faults in our study, the methodology is well suitable for detecting deformed/offset sediments without surface expression due to high erosion or sedimentation rates. That’s why I feel the study is of interest for the fault-hunting community. more

  • PATA Days 2017 in New Zealand: Field trip programme out now!

    The organisers of the PATA Days 2017 in New Zealand have provided details on the planned field trips. There will be a 1-day field trip at the start of meeting, and an optional 3-day post-meeting field trip. Some of the field trip details are not yet finalised because we don’t know the state of road access to some areas impacted by the Kaikoura earthquake. They will post a final itinerary in early November. Have a look at the programme and enjoy the magnificient field photos!

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  • New papers on paleoseismology, tsunami, and active tectonics (May 2017)

    It’s just a few months after the Kaikoura earthquake and now the first papers have been published already. Today’s paper round-up also includes studies on dating tsunami boulders, turbidite paleoseismology, paleoseismology in the Tien Shan, the recent Italy and New Zealand earthquakes, and earthquakes and social media. Enjoy reading! more

  • Active faults around Cusco (Perú): field work on paleoseismology and archaeoseismology for project Cusco-PATA

    The city of Cusco in Perú has been hit by damaging earthquakes several times in its long history. In Inka times a strong earthquake destroyed parts of the city, and the Spanish invaders documented an earthquake that happened in 1650. Three hundred years later, in 1950, an earthquake destroyed large parts of modern Cusco and in 1986 a M6.1 event also led to damages in the city. In order to better understand the active normal faulting in the region, INGEMMET has launched the project Cusco-PATA (Paleoseismology, Archaeoseismology and Active Tectonics – “pata” also means “scarp” in Quechua). The project brings together scientists from Perú, Spain, France, and the UK. The 2017 field campaign started in mid-April with work on the archaeological sites in and around Cusco and paleoseismological trenching of the Pachatusan Fault. more

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