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Axial Seamount Shows Signs of Imminent Eruption Off Oregon Coast

The mile-deep underwater volcano is inflating and experiencing hundreds of daily earthquakes, indicating a likely eruption later this year or early 2026.

Researchers said that the eruptions are mostly likely to occur between January and April
White clouds of microbial waste billow from the seafloor.
Tubeworms grow on the unique rock formations of the Axial Seamount.
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Overview

  • Axial Seamount, located on the Juan de Fuca Ridge 300 miles off the Oregon coast, is steadily inflating with magma and experiencing heightened seismic activity.
  • Scientists recorded over 1,000 daily earthquakes in late March and early April, with current rates remaining elevated at hundreds per day.
  • The volcano's last eruption in 2015 involved 10,000 earthquakes in 24 hours and lava flows extending 25 miles across the seafloor.
  • Hydrothermal vent ecosystems at the volcano recover rapidly after eruptions, with flourishing life observed within months of past events.
  • While the eruption is expected to have no impact on humans or land, researchers are using Axial Seamount as a natural laboratory to refine eruption forecasting models.