Kīlauea summit lava lake within Halema‘uma‘u in Feb. 2017 (left); "...
By Volcano Hazards Program
2017 (approx.)

Detailed Description
Kīlauea summit lava lake within Halema‘uma‘u Crater in February 2017 (left); "firehose flow" at Kīlauea Volcano's ocean entry in January 2017 (right).
Sources/Usage
Public Domain.
USGS HVO