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The Ohno Volcanic Rocks in eastern Kyusyu occur at the western tip of the Setouchi Volcanic Rocks. Previously reported K-Ar ages of the Ohno Volcanic Rocks range from . to . Ma. Here we present the results of laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) zircon U-Pb analyses of three felsic rocks from the Ohno Volcanic Rocks. We obtained mean U-Pb ages as follows: . . Ma ( σ) for the Shiraiwasan pyroclastic flow deposit at the lowermost horizon within the sequence, . .doi:10.5575/geosoc.2017.0003 fatcat:vgbels3wdngahmpljnxadq7noa