A sensor data logger recovered from the floor of Yellowstone Lake in the Deep Ho

Detailed Description
A sensor data logger recovered from the floor of Yellowstone Lake in the Deep Hole area in 2018 shows signs of melting due to unexpectedly high temperatures in sediments up to ~3 ft (1 m) away from an active hydrothermal vent. Image acquired by the Global Foundation for Ocean Exploration ROV Yogi on August 4, 2018.
Sources/Usage
Public Domain.
Global Foundation for Ocean Exploration ROV Yogi