Axial Seamount off Oregon's coast is the most active volcano in the Pacific Northwest, about 300 miles offshore and just under a mile beneath the ocean waves.

When the volcano erupts, it won't pose a danger. It has already erupted three times in the last 30 years, providing valuable information to scientists.

Scientists are predicting an undersea volcano known as Axial Seamount, located just off the coast of Oregon, will erupt in 2025. Axial is the most active

An undersea volcano off Oregon’s coast will likely erupt in 2025, scientists say. Known as Axial Seamount, it’s the most active volcano in the Pacific Northwest – though one most people haven’t heard of because it lies about 300 miles offshore and just under a mile beneath the ocean waves.