Observatoire Multidisciplinaire des Instabilités de Versants





OMIV Observatory Missions

The Multidisciplinary Observatory of Versant Instabilities (OMIV) monitors four on-going landslides which are representative of the mechanisms involved in the French Alps (hard/soft rock, relatively slow/fast-moving slope). On each site, the OMIV observatory provides continuous open access recordings of the landslide kinematics, its seismic response, and the hydro-geochemistry characteristics of the slope. These data sets are unique examples worldwide. The OMIV observatory, a SO-INSU label since 2007 is labelled for:

  • 4 sites in the French Alps (Avignonet, La Clapière, Séchilienne, Super-Sauze);
  • 3 observables on each site:
    1. The displacement kinematics using tiltmeters, extensometers, GPS sensors, remote sensing imaging;
    2. The landslide seismic patterns (endogenous damage using micro-earthquakes and velocity change through time and the slope responses to regional earthquake shaking);
    3. The hydraulic response to weathering forcing (hydro-geochemistry measurements);
The observatory network corresponds to 11-GPS, 60 Tacheometrics benchmarks, 45-1C and 9-3C seismic sensors.

All data are openly accessible through a single portal.

La Clapière

 Séchilienne
 Mas d'Avignonet
 		Super Sauze



Other landslides are studied by OMIV partners. See here.