Low-viscosity lava flows produce long, narrow shapes on the landscape.
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After advancing through forest for months, the June 27th lava has started to damage residential properties in Pahoa.
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Viscous, slow-moving lava flows form circular mounds known as lava domes.
Although the basaltic rock formed a hard crust, the flow is likely hot enough to prevent snow from building up on top.
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In early November 2008, a volcano erupted in the Erta Ale Range in northeastern Ethiopia, producing a fresh lava flow.
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For several months, residents of the Hawaiian town of Pahoa have been watching the June 27 lava flow warily.
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The otherworldly footprint of black basaltic lava creates a striking landscape at Black Point Lava Flow in northern Arizona, seen in this photograph taken from the International Space Station.
Fresh lava flows cover the slopes of Hawaii’s Kilauea Volcano.
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The most recent flow is pushing northeast into ohia lehua forests in Hawaii’s interior.
Fresh lava flows radiate from Kilauea’s Pu’su ’O’o, crater, as the Volcano’s longstanding eruption continues.
Molten rock meets the sea in the latest episode in a long-lived eruption.
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Kilauea erupted enough lava to fill 45,000 Olympic-sized swimming pools.
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Two active lave flows: the Kahaulae’a 2 flow and the Peace Day flow, extend north and south from Kilauea’s Pu’u O’o.
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The Holuhraun lava field in Iceland continues to grow.
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An obsidian lava flow surprises volcanologists on a visit to Chile’s Puyehue Cordón Caulle Volcano.
Satellite image of the viscous lava flow creeping down the slopes of Russia’s Kizimen Volcano.
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A team of NASA scientists headed to Holuhraun because the volcano has geologic cousins on Mars.
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Satellite view of fresh lava flows from recent activity at Kilaue’s Pu’u O’o Crater.
The June 27th lava flow continues to move through the Puna Forest Reserve in Hawaii.
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This pair of satellite images was among the first detailed pictures of the erupting vent and lava flows.
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As Medina has grown during the past three decades, parts of the Saudi city are built atop relatively young lava flows.
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On months-long Mars analog missions in Hawaii, donning mock space suits to explore lava flows and other geological formations is often a high point.
Acquired March 6, 2013, this image shows a fresh lava flow on the surface of Tolbachik Volcano on the Kamchatka Peninsula.