Workload Profile. The performance of the system is dependent on how the load is delivered to the system. For example it is easier to achieve faster response times for a system that receive an regular arrival of work throughout the day compared to one that receive burst of traffic.
The January 17 2002 eruption of Nyiragongo volcano started suddenly at 8:25 local time. The eruption effectively involved a reopening and extension of the 1977 fault system and a renewed drainage of the lava lake, followed by the eruption of some magma from a deeper source.
Other very active volcanoes include: 1  Mount Nyiragongo and its neighbor, Nyamuragira, are Africa's most active volcanoes Nyiragongo's lava lake. 2  Piton de la Fournaise, in RÃ©union, erupts frequently enough to be a tourist attraction. 3  Erta Ale, in the Afar Triangle, has maintained a lava lake since at least 1906.