The U.S. Geological Survey plans low-level helicopter flights over western Idaho in October and early November to image geology using airborne geophysical technology.

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. Most of the data for this map were collected during a USGS Hawaiian Volcano ...

Geophysical insights into Kīlauea’s eruptive reawakening after its 2018 eruption and caldera collapse Geophysical insights into Kīlauea’s eruptive reawakening after its 2018 eruption and caldera ...

The U.S. Geological Survey released an assessment estimating 96 trillion cubic feet of technically recoverable, undiscovered natural gas resources on Alaska’s North Slope.

Low-level helicopter flights will begin in October over eastern Oregon to image geology using airborne geophysical technology.

Seagrasses are a highly productive ecosystem that supports biodiversity and fisheries, protects coastlines, and buries globally significant carbon stocks. Because seagrasses are increasingly stressed ...

A spatial analysis of the groundwater emergence flood hazard in Long Island, New York, and coastal areas surrounding Long Island Sound in New York, Connecticut, and Rhode Island A spatial analysis of ...

Water information is fundamental to national and local economic well-being, protection of life and property, and effective management of the Nation’s water resources. The USGS works with partners to ...

USGS-led study estimates lithium in groundwater that can be used for drinking water ...

Summary: Mauna Loa earthquake counts decreased in September compared to August, and minor inflation continues. Mauna Loa had a decrease in seismic activity compared to the previous month; a total of ...

As flames, spatter, and lava flows erupted from the north and south vents in Halemaʻumaʻu at the summit of Kīlauea on the night of September 30, 2026, magma was also making a new path below the ...