Preparing rock compartments  for blasting on a 100 m high coastal cliff (La Réunion, 2006). © BRGM - Jean-Louis Nedellec


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Activities: Risks

Deforestation through agriculture and mining in French Guiana: impacts on mercury concentrations in water

This study increases our knowledge of the quantities of mercury and methylmercury (MMHg) in water and of suspended matter in different contexts of disturbance of the soils, in French Guiana.

Determination of anthropogenic pedo-geochemical backgrounds (FPGAs): the case of Toulouse Métropole

Urban soils hold the "memory" of cities; the geochemical quality of urban soils, to which the population is exposed, reflects its history: emissions since the industrial revolution, successive reconstructions on rubble, particularly following historical conflicts, etc. This is why we know little...

Implementation of a risk management strategy for muddy water flows in the Strasbourg Eurométropole

In a context of climate change, likely to lead to an increase in muddy water flows, and as part of the management of these phenomena in non-urban runoff, the Strasbourg Eurométropole wishes to implement a programme covering the 14 municipalities concerned by these events (96 separate catchment...

Mapping environmental asbestos in metropolitan France: from the field to the laboratory

The purpose of mapping environmental asbestos is to reduce the exposure of the population and workers to asbestos fibres from natural outcrops. Through bibliographic syntheses, field sampling and laboratory analyses, BRGM produces maps according to four levels of asbestos hazard.

The storm network of the Aquitaine Coastal Observatory

The Aquitaine Coastal Observatory’s storm network was set up to monitor the coastline for harsh erosive events. It currently covers the 350-km coastline of the former Aquitaine region in order to determine the potential impacts of storms, observe their consequences and better understand these...

Activities to support management of the ongoing seismo-volcanic crisis in Mayotte

The BRGM is working for the Mayotte Prefecture and the DGPR in response to these exceptional circumstances and to support management of the crisis arising from the earthquake swarm affecting the island since 10 May 2018.

Assessment of the risks raised by aging ex-military workings in the Cherbourg-en-Cotentin area (Manche, N France)

In 2015, the BRGM conducted an expert study requested by the Cherbourg Sub-Prefecture (report n° RP-64852-FR) on a network of former military galleries in the Saint-Sauveur neighbourhood in Cherbourg. Following the inspection, the BRGM defined and implemented a programme to assess the risks raised...

Characterisation of ground movement affecting a city street in Epinal (Vosges, E France)

Since 1930, ground movements have been affecting a slope lying between the rue Louis Blériot and the Canal des Vosges in the city of Epinal. Despite stabilisation work undertaken at numerous points in 2009, further movement was observed in 2010. The BRGM investigation aims to understand what is...


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