Underwater giant off U.S. coast shows signs of new eruption, scientists say
submarine volcano
is drawing close attention from scientists. Known as the
Axial Seamount
, this massive feature lies nearly a mile below the surface and has shown signs gearing up for another eruption.
A Volcano on a Schedule
The Axial Seamount has a well-documented history of volcanic eruptions. Since scientists' monitoring began, it has erupted in 1998, 2011, and 2015 roughly every decade. Now, experts are tracing the site and believe mounting pressure beneath the seafloor cites that a new eruption could occur within the coming months.
William Chadwick, a volcanologist at Oregon State University, explained that the seafloor instruments have detected the volcano inflating steadily. This 'ballooning' is caused by magma pooling beneath the crust, forcing the surface upward. At the same time, thousands of small earthquakes have rippled through the area, a clear indicator that molten rock is on the move through underground pathways.
by Taboola
by Taboola
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Why It Matters
Unlike volcano eruptions on the land, Axial's activity poses little direct threat to people. At 4,800 feet beneath the ocean, any eruption would stay confined to the seafloor. Experts highlight that the event would not trigger tsunamis or pose risks to coastal cities.
But the scientific value is enormous. Each eruption gives rare insight into how the planet recycles material through the ocean floor. New lava flows reshape the seabed, new vents release mineral-rich fluids, and hydrothermal activity sustains microbial life. Some specialized microbes thrive in extreme conditions using iron or sulfur for energy and may hold answers about how life first emerged on Earth.
Live Events
Earth's Most Watched Submarine Volcano
What makes Axial Seamount unique is its extensive monitoring system. Through the National Science Foundation's Ocean Observatories Initiative, cables and instruments track seismic processes, temperature change, and pressure shifts in real time. This stage of detail makes Axial Seamount one of the most intensely observed volcanoes anywhere in the world.
William Wilcock, a marine geophysicist at the University of Washington, described that scientists are eager to watch the eruption unfold to get valuable insights. 'We're seeing the system inflate, we're seeing the earthquakes build up, and when the eruption comes, it will give us the clearest picture yet of how a submarine volcano behaves.'
FAQs:
Q1. What is the Axial Seamount?
A1. It is an active submarine volcano located along the Juan de Fuca Ridge in the northeast Pacific.
Q2. How deep is the volcano?
A2. The Axial Seamount sits nearly a mile beneath the Pacific Ocean's surface.
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