Power outages, gas pipe bursting, rails deformed, sinkholes, buildings tilting, roads cracking...

Tehran plains ground subsidence has been covered and studied in recent decades however this man-induced phenomenon is now catching Tehran city itself for the last years thus endangering a growing population of 13 million inhabitants and its critical infrastructures.

Excessive groundwater extraction has caused land subsidence at a rate of up to 25 centimeters per year in some areas.


In this brief study, Differential InSAR processing was used to identify and estimate land displacement by using Sentinel-1A SAR SLC imageries. Our dataset includes 14 pairs of images from January 2020 to May 2021 with a small temporal-perpendicular baseline and using the SBAS approach, processing was performed by the GAMMA Software via ASF DAAC .


The results were further converted to an estimated vertical ground displacement map with a maximum average subsidence rate of 40mm/year.

It is known that subsidence phenomenons are non-linear, this estimated average rate takes into account events that occurred with higher subsidence during the period of images acquisition as well as events with ground uplift.






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Updated: Jun 10

As published June 8th, 2021 by Fox News the analysis conducted by The Intel Lab in collaboration with the Institute of Science and International Security (@TheGoodISIS) reveals a probable Nuclear Program Related Concealment Site about 100 meters from a METFAZ Facility in Sanjarian, IRAN.


The Shock Wave Generator subproject for Iran’s Nuclear Weapons Program Explained



Infographics:












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In 2018, the “Nuclear Archive” seized by Israel’s National Intelligence Agency (MOSSAD) revealed secret documents including sketches and blueprints of the Al Ghadir Plant implying the development of an Iranian indigenous nuclear weapon program. Under Iran’s Amad Superorganizational Plan, Fordow Fuel Enrichment Plant (Project 4/402 Code name Al Ghadir) was built with the intention and purpose to make weapon-grade uranium for 1-2 nuclear weapons per year.


Fordow 3D reconstruction model is a collaborative effort between The Intel Lab and Orion_int aiming at giving the public audience a better understanding of this remote and partly secret Uranium Enrichment underground facility. This multi-disciplinary effort is based on Civil Engineering knowledge, Nuclear Fuel Enrichment Cycle basics, Intelligence Analysis, and advanced skills in realistic modeling and rendering. Disclaimer: This work is based on the research conducted on available public documents, assessments, reports, publicly released photographs, and videos. Some material textures were chosen to enhance the viewer experience and are not necessarily representative. Assumptions in the analysis phase are based on engineering standards and good practice to bridge the gap between the existing known materials and the uncertainty of the existing situation on site.






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