July 25, 2025 — Sampling Keller Well at the summit of Kīlauea
Detailed Description
On July 25, 2025, USGS scientists measured the depth to the water table at the Keller Well, located south of Halema‘uma‘u crater. The Keller Well is a borehole drilled in 1973 to a depth of 4,140 ft (1,262 m); since then, it has been used to monitor the hydrology of the summit region of Kīlauea volcano. USGS photo by K. Mulliken.
Sources/Usage
Public Domain.