Volcano Awareness Month 2022 Short Feature — Three-dimensional mapping of Kīlauea – lanikai-beach

Structure-from-motion techniques use photographs taken from different angles to reconstruct the three-dimensional shape of an object. At Kīlauea, this technique has been used to rapidly generate maps of eruption activity from aerial imagery, allowing scientists to quantify changes over time such as the volume of lava erupted and surface area covered by lava. Join USGS […]

Volcano Awareness Month 2022 Short Feature — Kīlauea’s recent explosive history – lanikai-beach

Join USGS Hawaiian Volcano Observatory retired geologist Don Swanson on a virtual field visit to an exposure of the Keanakāko‘i Tephra near the summit of Kīlauea as part of Volcano Awareness Month. This exposure shows deposits of explosive eruptions of Kīlauea between 500 and 230 years ago, from just after the modern caldera formed to […]

Volcano Awareness Month 2022 Geology Update — Kīlauea erupts after more than 2 years of quiet—twice! – lanikai-beach

Following the lower East Rift Zone eruption and summit collapse of Kīlauea in 2018, the volcano remained quiet for more than two years. Lava returned to Kīlauea in December 2020, boiling off the water lake that had been present at the base of Halema‘uma‘u crater, and starting a five-month long eruption in Hawai‘i Volcanoes National […]

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