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Global Volcanism Program | Image GVP-11887

An eruption from the southern end of Axial caldera in 1998 produced this submarine lava flow that had undergone collapse, shown in this photo. 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. Hydrothermal vents colonized with biological communities are located near the caldera boundary or along the rift zones. Photo courtesy of NOAA NeMo Observatory, 2006.

An eruption from the southern end of Axial caldera in 1998 produced this submarine lava flow that had undergone collapse, shown in this photo. 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. Hydrothermal vents colonized with biological communities are located near the caldera boundary or along the rift zones.

Photo courtesy of NOAA NeMo Observatory, 2006.

Keywords: submarine volcano | lava


Axial Seamount