Overview

• The Deep Emerald ROV, built with Seaview Systems, completed a streamed descent to more than 1,500 feet on Friday.
• Thousands watched as experts explained Tahoe’s geology and deep-water ecosystems during the real-time tour.
• Organizers said no bodies were observed, and the live view showed mostly drifting sediment with occasional debris documented on past dives.
• Emmy operated on a fiber-optic tether with LED lighting, thrusters and a 4K camera to map conditions at the lake bed.
• Event leaders said the new video and sensor data are now available to researchers and urged continued cleanup efforts, citing a 2023 removal of over three tons of trash.