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How to protect yourself from volcanic ash produced by Halema‘uma‘u

Detailed Description

Volcanic ash from an eruption at the summit of Kīlauea on May 17, 2018. Left: This low magnification photo shows ash particles ranging from a few microns to a couple millimeters in diameter. Right: A high-powered scanning electron microscope reveals great detail on this basalt ash shard. Photos courtesy of Pavel Izbekov, UAF-GI AVO.