Table 1 Macroseismic effects in the epicentral areas of the April 29, 1905 earthquake: main shock (1-a) and the largest aftershock of August 13, 1905 (1-b)
From: The 1905 Chamonix earthquakes: active tectonics in the Mont Blanc and Aiguilles Rouges massifs
Location | Effect | References | |
|---|---|---|---|
1-a Mainshock April 29, 1905, t0 = 1 h 47 min UT (this study), 1 h 59 min (Sisfrance, 2016) | |||
Argentière (B1) | • Main damages in Argentière : - Important cracks in most houses - Church severely damaged - School to be repaired | - Le messager agricole du Chablais May 6, 1905. - Chamonix council meeting, June16, 1905. | |
Aiguillette d’Argentière (A1) | • Fall of a rock overlooking the summit | - J. Ravanel (pers. com.). - Charlet (1949). | |
Near Argentière (A2) | • New spring | Revue savoisienne, T46,1905 | |
Argentière - Le Planet (A3) | • Landslide | - CAF n°5, 1906. - Le Roy, 2005; see Fig. 4. | |
Planet (A4) | • Hotel to be repaired | - CAF n°5, 1906. | |
La Joux (A5) | • Partial collapse of a house | ||
Argentière (A6.a) Grassonet (A6.b) Les Tines (A6.c) | • School damages: strong in Argentière, lesser damages in Grassonet and Les Tines | - Chamonix council meeting, June16, 1905. | |
Road between Argentière and Les Tines (A7) | • Deep cracks along and across the main road over a 800 m-long section, (probably the part of the road located on the slope of an old moraine) | - Le cultivateur savoyard, n°18, May 4, 1905. - CAF I, 240, 1905. - Quervin (De) (1906). | |
La Poya (A8) | • No damage in the newly built hotel | M. Chamel (pers. com.) | |
Vallorcine (A9) | • Cracks in house walls • Cracks and plaster falls in the church | - Le messager agricole du Chablais May 6, 1905. - Vallorcine council meeting June 27, 1905. | |
• Many cracks in houses • People frightened | - Cultivateur savoyard, n°18, May 4, 1905. | ||
Aosta, Italy (Fig. 1) | • Cracks in the ceiling • People frightened | - Le Mont Blanc – Aoste, May 5, 1905. | |
Trient (A10) | • One old wall collapsed | - Buhrer, Archives Sc. Phys. Et Nat., Genève 1905 | |
Martigny (Fig. 1) | • Cracks in the church | - Buhrer, Archives Sc. Phys. Et Nat., Genève 1905. | |
Martigny (Fig. 1) | • Church seriously damaged • Several chimney falls • Cracks in several houses | - Montandon (1942). | |
Grand Saint-Bernard pass (Fig. 1) | • Many damages | Montandon (1942). | |
* | Location | Effect | References |
|---|---|---|---|
1-b Aftershock August 13, 1905, t0 = 10 h 22 min (this study and Sisfrance, 2016) | |||
B1 Argentière | • Strong blast heard • Partial collapse of the church vault • Displacement of the bridge pillars | Falconnet CAF, II, 425, 1906. | |
B2 Col du Tour | • Strong shaking during 3-4 s • Rock and ice falls | Lecarme (1906). | |
B3 Val d’Arpette Arette des Ecandies | • Rock falls • Rock falls | Duvernoy, CAF n°12, 588, 1905 Marjollin, CAF n°2, 1906. | |
B4 Col de Balme Croix de fer | • Explosion preceding the shaking • Rock falls | A. Riston, CAF, II, 38-39, 1906. | |
B5 Le Buet | • Rock fall | Quervin (de) (1906). | |
B6 Road Argentière-Le Tour | • 2-3 cm cracks along the road | CAF, II, 39, 1906 | |
B7 Chamonix | • Large crack in « Hotel de Genève » • Many cracks in the Railway station | Indicateur de la Savoie, August 19, 1905. | |
Martigny Grand Saint Bernard | • Fall of 2 chimneys • Plaster fall | Montandon (1942). | |