Persistent Slabs
- Hochgebirge
- Waldgrenze
- Unterhalb der Waldgrenze
- Wahrscheinlichkeit
- Possible - Likely
- Größe
- 1.5–2.5
Slabs 25-60cm thick sit over a Dec. 17 weak layer of facets that was on the surface during the prolonged deep freeze. Activity has slowed on this layer but once initiated could step down to deeper facet layers.