Tag: us_geological_survey

Ruby Seamount Was Quietly Erupting Between March and July 2026, Scientists Discover

29 Oct 2026 3:54 p.m. · Source: U.S. Geological Survey

A repeat sonar survey and a single ROV dive at Ruby seamount in the Northern Mariana Islands revealed a new lava dome growing inside a crater left by a 2023 explosive eruption.

Science & Technology Environment USA Medical Science Asia Ruby seamount submarine volcano Commonwealth of the Northern Mariana Islands US Geological Survey Ocean Exploration Trust Kīlauea volcano monitoring U.S. Geological Survey