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Side-scan sonar image of a volcanic ridge nicknamed "Caterpillar".

Side-scan sonar image of a volcanic ridge nicknamed "Caterpillar".
Side-scan sonar image of a volcanic ridge nicknamed "Caterpillar".
Side-scan sonar image of a volcanic ridge nicknamed "Caterpillar".
Side-scan sonar image of a volcanic ridge nicknamed "Caterpillar".
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Side-scan sonar image of a volcanic ridge nicknamed "Caterpillar".
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10/21/2024
smith catepillar.jpg
Date is approximate.
Caption from Oceanus magazine, Vol. 41, No. 1, Pg. 14:
Side-scan sonar image of a volcanic ridge made up of small individual hummocks. This segmentation causes the ridge to look like a caterpillar. Illumination is from the top. The ridge is about 1 kilometer long and 20 meters high. Initially, surface flows erupt along the length of the fissure. Eruption conditions rapidly evolve, however, and individual hummocks form when lava begins to erupt from discrete vents.
Courtesy of Deborah K. Smith
© Woods Hole Oceanographic Institution
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