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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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Thermal Maps Showing Evolution of Mauna Loa Fissure 3 Lava Flow

These maps show evolution of the lava flow from fissure 3 over 3 days. 

December 2, 2022 — Mauna Loa Eruption Map

This reference map depicts the ongoing Mauna Loa eruption on Dec. 2, 2022.

November 16-December 2, 2022— Mauna Loa Ground Surface Change

This map shows areas of surface change as determined through a comparison of satellite radar images acquired on November 16, 2022 and December 2 at 6:13 a.m. HST

December 2, 2022 — Mauna Loa Radar Interferogram

This radar interferogram spans before the eruption (November 16, 2022) until December 2 at 6:13 a.m. HST.

December 1, 2022 — Mauna Loa Eruption Map

This reference map depicts the ongoing Mauna Loa eruption on Dec. 1, 2022.

November 30, 2022 — Mauna Loa eruption map

This reference map depicts the ongoing Mauna Loa eruption on Nov. 30, 2022.

November 30, 2022—Mauna Loa Northeast Rift Zone eruption thermal map

November 30, 2022—Mauna Loa Northeast Rift Zone eruption thermal map

November 29, 2022 — Mauna Loa eruption map

This reference map depicts the ongoing Mauna Loa eruption on Nov. 29, 2022.

November 28, 2022 — Mauna Loa eruption map

This reference map depicts the ongoing Mauna Loa eruption on Nov. 28, 2022.

November 25, 2022—Kīlauea summit eruption reference map

This reference map depicts the ongoing Kīlauea summit eruption on November 25, 2022.

November 23, 2022—Kīlauea summit UAS thermal maps

Uncrewed aircraft systems (UAS) flights on November 23, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.