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• B1

The Quiet Rebuilding of Ruby Seamount

Scientists have discovered a quiet eruption at Ruby seamount. This submarine volcano is an underwater mountain formed by a volcano on the ocean floor. It lies in the Commonwealth of the Northern Mariana Islands. That is about 50 kilometers (31 miles) north-northwest of Saipan. The volcano erupted between March and July 2026. It was not detected at the time. Before…

Rewritten with AI from facts reported by USGS. Read the original for the full report.