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JQuake - The Great East Japan Earthquake of March 11th, 2011

First of all, I would like to express my deepest sympathy to the families impacted by this disaster. It is known that many are still suffering from it. This video documentary is a reconstitution of what JQuake software would have looked like if it was working during the Great East Japan Earthquake of March 11th 2011. Efforts have been made to respect the timestamps of datas, among which we can find : The JMA intensity (Shindo) measured at stations from the NIED network (Numbers on the map) The expected intensity given by the Earthquake Early Warning reports (Colored areas on the map) The JMA earthquake information list of felt earthquakes at that time (On the right side) The first report of tsunami warning materialized by blinking lines. The datas used come from the National Research Institute for Earth Science and Disaster Resilience of Japan (NIED) and the Japan Meteorological Agency. There are a few points to know while watching this video : The Peak Ground Acceleration (PGA) is taken on a 1 min sliding window instead of 1 sec, such as in the Kyoshin Monitor data used by JQuake The Earthquake / Tsunami estimations are issued by the system which was running at the time of the earthquake, the JMA magnitude was especially underestimated at M7.9 in the first hour of the disaster. The official moment magnitude is M9.1, revised in 2016. Hopefully, the system has been greatly enhanced from this experience, by the introduction of new methods of magnitude, intensity and tsunami estimations, but also a revised communication of information to the public. The hypocenter is only the starting point of a megathrust rupture which lasted around 3 min and holds into a rectangle of roughly 500 x 200 km. To better understand the mechanism behind it, watching the following video is strongly recommended :    • March 11, 2011 Japan Earthquake—10th ...   The user point was placed at Kurihara City, where Shindo 7 was measured. The version of JQuake used in this document is the 1.7.0 developper version. Reutilisation is authorized if you cite the author and give a link to this Youtube channel (JQuake : https://www.youtube.com/channel/UCuHY.... Website : https://jquake.net Twitter :   / nonetype1   Email : [email protected]