Submarine volcano -1410 m / - 4,626 ft
Northeastern Pacific Ocean, Juan de Fuca Ridge, 45.95°N / -130°W
: normal or dormant
(1 out of 5)
Axial Seamount volcano eruptions:
Typical eruption style:
effusive (lava flows)
Axial Seamount volcano news & activity updates:
Axial Seamount (E Pacific, 480 km west of Oregon): submarine eruption confirmed
Wed, 9 Sep 2015, 11:05
11:05 AM | BY: T
An eruption at Axial Seamount, inferred to have started at 2230 on 23 April with an earthquake swarm, was confirmed during 14-29 August by bathymetric data and observations made during a ROV Jason dive.
Two large lava flows from the N rift zone (8-16 km N of the summit caldera) were at most 127 m thick; some of the thicker areas had drained collapse features indicating they had molten interiors when emplaced. The ROV traversed the flows for about 2 km. New, thinner lava flows were also identified in the NE summit caldera and on the NE rim.
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