Becoming agile and incorporating Scrum principles is a process. It takes diligence, patience, practice and a commitment to continuous improvement. Agile Project Management for Dummies author Mark Layton (MBA2, CST, PMP, SCPM) provides training on Agile and Scrum through certified classes from Platinum Edge!
The summit craters represent the junction area of the volcanic activity through which breathes the persistent vent of Etna, and in more or less regular intervals, are the site of explosive events of various types as: Strombolian obstruction phreatic activities etc. that continually change the morphology.
A great example is Crater Lake located in Oregon. This is actually a caldera. Photo courtesy of Wikicommons. Photographer: unknown. The main difference between craters and calderas is how they are formed. Craters are caused by impacts from meteorites, and can range in size from very small to several hundred km across.According to the US Geological Survey, a caldera is a large (at least one km across), circular depression formed at the top of a volcano when the magma chamber collapses.hotographer: unknown. The main difference between craters and calderas is how they are formed. Craters are caused by impacts from meteorites, and can range in size from very small to several hundred km across.