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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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December 7, 2022 — Mauna Loa Eruption Map

This reference map depicts the ongoing Mauna Loa eruption on Dec. 7, 2022.

December 7, 2022 — Mauna Loa Northeast Rift Zone eruption fissure 3 lava flow thermal map

This reference map depicts the ongoing Mauna Loa eruption on Dec. 7, 2022.

December 6, 2022 — Mauna Loa Eruption Map

This reference map depicts the ongoing Mauna Loa eruption on Dec. 6, 2022.

December 5, 2022 — Mauna Loa Eruption Map

This reference map depicts the ongoing Mauna Loa eruption on Dec. 5, 2022.

December 5, 2022 — Thermal Maps Showing Evolution of Mauna Loa Fissure 3 Lava Flow

These maps show evolution of the lava flow from fissure 3 over 5 days. 

December 4, 2022 — Mauna Loa Eruption Map

This reference map depicts the ongoing Mauna Loa eruption on Dec. 4, 2022.

December 3, 2022 — Mauna Loa Eruption Map

This reference map depicts the ongoing Mauna Loa eruption on Dec. 3, 2022.

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.

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