||This article may be expanded with text translated from the corresponding article in the French Wikipedia. (December 2008)|
|Intercommunality||Duyes et Bléone|
|• Mayor (2008–2014)||Serge Carel|
|• Land1||18.22 km2 (7.03 sq mi)|
|• Population2 density||25/km2 (66/sq mi)|
|INSEE/Postal code||04122 / 04510|
|Elevation||437–1,053 m (1,434–3,455 ft)
(avg. 650 m or 2,130 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
The Bléone forms the commune's southern border.
Natural and technological risks
None of the department's 200 communes is in an area of zero seismic risk. The canton that Mirabeau belongs to, Digne-les-Bains-Ouest, is in zone 1b (weak seismicity), according to the deterministic classification of 1991, based on historical earthquakes, and in zone 4 (medium risk) according to the probabilistic classification EC8 of 2011. The commune of Mirabeau is exposed to three other natural hazards: . forest fire . flood (in the valleys of Les Duyes and La Bléone) . ground movement: the commune is very concerned with this medium-to-high risk.
In addition, the commune of Mirabeau is exposed to a risk arising from technology, namely the transport of dangerous materials by rail, road and pipeline. For the railway, the line from Saint-Auban to Digne across the commune is no longer in use. For roads, National Route 85 can be used for the transport of dangerous goods. And a pipeline supplying natural gas to Digne crosses the commune and thereby constitutes an additional risk factor.
The commune's management plan for foreseeable natural hazards (PPR in French) was approved in 2008 for the risk of ground movement; there is no DICRIM (Dossier d’information communal sur les risques majeurs; that is, dossier of information for the commune on major risks).
The commune has been subject to several declarations of natural disaster: for an earthquake in 1984, for flooding and mudslides in 1996 and 2001, for droughts in 1989, 1990 and 1998, and for landslides in 1996. The only earthquake strongly felt in the commune occurred on 19 June 1984. It's intensity in Mirabeau was V on the MSK scale (Medvedev–Sponheuer–Karnik scale) (sleeping people wake up, objects fall). The epicentre was at Aiglun.
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