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Volcanic Maps

The USGS Volcano Hazards Program enhances public safety and minimize social and economic disruption from volcanic unrest and eruption. We accomplish this by delivering effective forecasts, warnings, and information about volcano hazards based on scientific understanding of volcanic processes. Learn more by exploring USGS volcanic maps. 

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May 19—Thermal map of fissure system and lava flows May 19—Thermal map of fissure system and lava flows

Thermal map shows the fissure system and lava flows. The two primary lava flows originate from the Fissure 20-22 area.

May 14—Thermal map of the fissure system May 14—Thermal map of the fissure system

Thermal map shows the fissure system during an overflight of the area in Leilani Estates
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