Based on a new inversion of InSAR data, De Natale et al. predicted that the Avezzano and Sulmona tectonic domains, in Central Italy, may anticipate by 15-20 yr the next large earthquake, as a result of stress transfer. Avezzano and Sulmona were razed by a large earthquake in 1915 and 1706, respectively.
9:00 The second day started with a great keynote, Chris Scholz talked about earthquake triggering and fault synchronization with examples from California and Iceland.
09:45 Next great keynote: Clark Burchfiel on the Wenchuan EQ!
After the arrival (thanks to Christoph for the shuttle!) and a very nice opening dinner yesterday the first key note lectures have been held this morning.
Dimitrios Papanikolaou introduced the Hellenic Arc system and talked about plate scale-geometries and active movements.
Poster session 1: Tom Rockwell in front of his poster (Tsang et al.)
Jim McCalpin held a very interesting talk about using Lidar in dense forests in Alaska to detect neotectonic movements which surely would be a great method for Europe, too!
Eldon Gath presented a study dealing with three-dimensional fault rupture interpretation.
Right now it’s time for the first poster session. We’re directly at the beach, it’s almost 30°C, sunny and a smooth breeze chills our science-filled minds.
After the very successful 1st Workshop on Earthquake Archaeology and Paleoseismology held in the ancient roman site of Baelo Claudia (Spain, 2009), the INQUA Focus Group on Paleoseismology and Active Tectonics decided to elaborate a bi-annual calendar to support this joint initiative with the IGCP-567 “Earthquake Archaeology”. This second joint meeting moved to the eastern Mediterranean, a tectonically active setting within the Africa-Eurasia collision zone and located in the origins of the pioneer’s works on archaeoseismology. However, for the coming year 2012, at least a part of us will move also to the New World, where the 3rd INQUA-IGCP 567 international workshop will take place in Morelia, Mexico in November 2012. It is planned to proceed with the meeting, so we are thinking of Aachen, Germany, to be the host in 2013, possibly together with Louvain, Belgium.
The program of the upcoming 2nd INQUA – IGCP 567 International Workshop on Active Tectonics, Earthquake Geology, Archaeology and Engineering just released! Have a go!
A new paper published in Natural Hazards today discusses post-depositional changes of tsunamites. At sites in Thailand covered by sediments of the 2004 Sumatra tsunami, Szczuciński (2011) has documented significant changes in the deposits over the last seven years. Not only were the tsunamites altered, eroded or re-deposited by animals and seasonal rain, but also vanished in certain cases.
Yesterday, a magnitude 5.8 earthquake happened near Mineral, Virginia in a depth of 6 km only (37.936°N, 77.933°W) with a thrust faulting mechanism. Media report that the quake was felt as far as Boston and even Canada to the north, but significantly less far away in southern direction. The US East Coast quakes are normally felt in a wide range, since the crust there is old, cold and dense which makes it easy for the seismic waves to propagate. Some damage occurred at the epicentral area, but apparently there were no fatalities. From the earthquake effects (Chimneys collapsed, walls cracked, some springs showed changes) and instrumental measurements an epicentral intensity of VII can be determined. more
It is our greatest pleasure to announce that a new special issue on paleo- and archaeoseismology has been published. The special issue of Quaternary International mainly consists of contributions from a selection of those presented during the first International Workshop on Earthquake Archaeology and Palaeoseismology held at the ancient Roman City of Baelo Claudia (South Spain) in September 2009. There in Southern Spain, the first joint meeting of the INQUA Focus Area on Palaeoseismology and Active tectonics and the UNESCO-IUGS programme IGCP567 on Earthquake Archaeology took place. This volume is one of the first accounts of an integrated approach in the study of past earthquakes combining recent advances in palaeoseismology and earthquake archaeology.
There’s a lot of great reading stuff or the summer holidays or on the plane to Corinth… more
Matthew’sWoGE #305 showed one of the rare sandstone outcrops in Georgia, the Broxton Rocks. The best hint was in the image source: “USDA Farm Service Agency” led me to search the US, and from the vegetation and the shape of the fields (and the E-W river!) it didn’t take too long to find it. But he was right – finding out about the geology wasn’t that easy.
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