The phrase "active summit" is correct and usable in written English.
It can be used to describe a summit or meeting that is currently in progress or one that is characterized by dynamic discussions and engagements.
Example: "The active summit on climate change has brought together leaders from around the world to discuss urgent solutions."
Alternatives: "ongoing summit" or "dynamic summit".
Erta-Ale, Ethiopia 2,011 613 1906 Ethiopia's most active volcano; its summit caldera frequently overflows with lava.
In addition to the summit active craters of Pon-Machineshiri and Naka-Machineshiri, several fuming grounds and flowing hot springs are distributed around the volcano.
This injection rate was chosen to reproduce the initial heat discharge rate through the block corresponding to the vent (radius of 50 m; the smallest cell size in the model) being roughly 100 MW, which is a representative value for active fumarolic activities at volcano summit.
Stern played an active role at the summit, which he called an opportunity for international leaders to build momentum toward a new global climate treaty before the 2015 meeting in Paris.
Among these are three continuously active volcanoes: the growing summit of Santiaguito (8,202 feet [2,500 metres]) located on the southern flanks of Santa María (12,375 feet [3,772 metres]); Fuego (12,582 feet [3,835 metres]); and Pacaya (8,371 feet [2,552 metres]).
Figure 11 shows a slice in the geo-electrical structure which reveals the deep conductive zones corresponding to hydrothermalized volumes of rock and their connection with the hydrothermal active zone at the summit.
Including those killed over the submarine eruption, 49 fatalities (73% of the scientist fatalities) occurred in or near the crater (within 1 km), highlighting the danger to field scientists visiting the summit of active volcanoes.
Volcano #1, constructed recently by explosive volcanism alternating with quieter explosive events, is characterized by a well-defined caldera structure on the summit and active hydrothermal venting in a widespread diffuse manner (Stoffers et al., 2006; Hekinian et al., 2008).
