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Maps

Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.

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Geologic Maps

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Map Releases

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September 20, 2024 — Thermal map of eruption on Kīlauea East Rift Zone

A helicopter overflight on September 20, 2024, allowed for aerial visual and thermal imagery to be collected at the middle East Rift Zone eruption site on Kīlauea.

September 19, 2024 —Kīlauea middle East Rift Zone eruption reference map

This reference map depicts the eruption along Kīlauea's middle East Rift Zone as of September 19, 2024.

September 19, 2024 — Thermal map of eruption on Kīlauea East Rift Zone

A helicopter overflight on September 19, 2024, allowed for aerial visual and thermal imagery to be collected at the middle East Rift Zone eruption site on Kīlauea.

Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within northern Medina County, Texas

During 2023–24, the U.S. Geological Survey, in cooperation with the Edwards Aquifer Authority, revised a previous publication of the geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers that was completed during 2018–20 within northern Medina County, Texas. The purpose of this report is to present the updated geologic framework and hydrostratigraphy of the rocks containing

September 18, 2024 — Thermal map of eruption on Kīlauea East Rift Zone

A helicopter overflight on September 18, 2024, allowed for aerial visual and thermal imagery to be collected at the middle East Rift Zone eruption site on Kīlauea.

September 18, 2024 —Kīlauea middle East Rift Zone eruption reference map

This reference map depicts the eruption along Kīlauea's middle East Rift Zone as of September 18, 2024.

September 17, 2024 —Kīlauea middle East Rift Zone eruption reference map

This reference map depicts the eruption along Kīlauea's middle East Rift Zone as of September 17, 2024.

September 17, 2024 — Thermal map of small eruption on Kīlauea East Rift Zone

A helicopter overflight on September 17, 2024, allowed for aerial visual and thermal imagery to be collected at the middle East Rift Zone eruption site on Kīlauea.

September 16, 2024 — Thermal map of small eruption on Kīlauea East Rift Zone

This thermal map shows two small lava pads erupted late on September 15, just west of Nāpau Crater on the East Rift Zone of Kīlauea.

September 16, 2024 —Kīlauea middle East Rift Zone eruption reference map

This reference map depicts the September 15, 2024, eruption along Kīlauea's middle East Rift Zone.

September 16, 2024 —Kīlauea middle East Rift Zone eruption preliminary reference map

This reference map depicts the approximate location of the fissures that erupted from the Kīlauea middle East Rift Zone, likely between approximately 9:00 and 10:00 p.m. HST on Sunday 15, 2024, in a remote and closed area of Hawaiʻi Volcanoes National Park.

September 15, 2024—InSAR image of Kīlauea middle East Rift Zone intrusion

This map shows recent deformation at Kīlauea over the timeframe of September 2–14, 2024.

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