Sismicité historique de la France 
Métropole 

Source : BRGM, EDF, IRSN / SisFrance   

 
 
Characteristic of the earthquake
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IDENTITY: 1120008 
Date of the earthquake: 25 July 1855
Time of the earthquake: 12 h 50 min 
Nature of the shock: ok 
Epicentral region: VALAIS (VISP) - SUISSE 

Geographic co-ordinates (degrees, sexagesimal minutes) :
Longitude: 7° 53' E, Latitude: 46° 14' N
Reliability index: Fairly certain location (B
Intensity at the epicentre (according to the MSK 1964 macro-seismic scale): 
Intensity:   9  
Reliability index: Certain (A
 

Source : BRGM, EDF, IRSN / SisFrance