A lava lake is one of the rarest sights in volcanology. Instead of lava spilling away from a vent and cooling across the landscape, molten rock remains pooled inside a crater or volcanic depression, creating a surface that can stay partially or entirely liquid for long periods. These features are uncommon because the conditions required to maintain them are difficult to sustain. Fresh magma must continue reaching the surface, temperatures need to remain extremely high, and the volcanic system has to stay active enough to prevent complete solidification.
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