Axial Seamount - Wikipedia
Axial Seamount (also Coaxial Seamount or Axial Volcano) is a seamount, submarine volcano, and underwater shield volcano [3] in the Pacific Ocean, located on the Juan de Fuca Ridge, approximately 480 km (298 mi) west of Cannon Beach, Oregon.
3,600-Foot-Tall Undersea Volcano Expected To Blow ... - Cowboy …
Jan 20, 2025 · Submerged Seamount. Axial Seamount is a shield volcano along the Juan de Fuca Ridge, a chain of undersea volcanoes extending between Oregon and Alaska. It is also one of the youngest known volcanoes in the Pacific Ocean. Poland said Axial Seamount is similar to Mauna Loa, Earth’s largest active volcano, which is also a shield volcano.
Axial Seamount - Global Volcanism Program
Axial Seamount rises 700 m above the mean level of the central Juan de Fuca Ridge crest about 480 km W of Cannon Beach, Oregon, to within about 1.4 km of the ocean surface. The 3 x 8 km Axial caldera opens to the SE and is defined on three sides by caldera walls up to 150 m high.
An Undersea Volcano Near Oregon May Erupt in ... - Smithsonian …
Jan 9, 2025 · The Axial Seamount, located 300 miles from the state’s coast and one mile beneath the Pacific Ocean’s surface, has been swelling at a steady rate for the past six months, with seismic activity ...
Underwater volcano off the US coast could erupt at any moment
Axial Seamount rises from the Juan de Fuca Ridge, an underwater mountain range in the northeastern Pacific. At this ridge, the Earth’s crust pulls apart due to the motion of tectonic plates, allowing molten rock to rise up and shape new crust.
Axial Seamount - University of Washington
Axial Seamount is the most robust volcanic system on the Juan de Fuca Ridge and it is seismically, magmatically, and hydrothermally active. It is located on the Juan de Fuca spreading center and hosts three active hydrothermal fields (ASHES, CHASM, and CASTLE).
Axial Seamount - Expeditions
Axial Seamount was the site of the world's first underwater volcano observatory called NeMO and has erupted most recently in 2015, 2011 and 1998. Because it is so active, Axial has been chosen as a key node on a new cabled observatory, which is part of the National Science Foundation’s Ocean Observatory Initiative (OOI).
The Pacific Northwest’s most active (undersea) volcano is getting a ...
Jul 8, 2024 · The most active volcano in the Pacific Northwest is the Axial Seamount. It’s located 300 miles west of Astoria, Oregon, and a mile under the ocean. It’s erupted three times in the past 25 years.
Axial Volcano - NOAA Pacific Marine Environmental Laboratory …
The most recent eruption occurred in 1998 on the summit of a large seamount called Axial Volcano. Axial rises almost a kilometer above the rest of the ridge, and is unusually shallow because it has a high magma supply relative to the rest of the ridge.
Scientists predict an undersea volcano eruption near Oregon in 2025
Dec 27, 2024 · A 3-D bathymetric (seafloor) map of Axial Seamount in July 2014 shows lava flows from previous eruptions. Red indicates lava at the highest elevation above the seafloor, while dark blue at the ...