The High Plains aquifer unerlies an area of about 174,000 square miles that extends through parts of eight states of the Midwest. This aquifer is the principal source of water in one of the major ...
Precursory low-level activity preceding episode 56 of the ongoing Halemaʻumaʻu eruption began around 11:43 a.m. HST on Monday, November 2, with a large flow lava from the north vent. The initial rise ...
Voluminous overflows continue from north vent with dome heights up to 20 feet. These vigorous domes have been persisting within the vent between overflows. The sixth overflow started at 5:12 p.m. HST.
Voluminous overflows continue from north vent with dome heights up to 20 feet. These vigorous domes have been persisting within the vent between overflows. The sixth overflow started at 5:12 p.m. HST.
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 ...
Yellowstone Caldera activity remains at background levels, with 66 located earthquakes in October (largest = M2.0). Deformation measurements indicate no significant uplift or subsidence of the caldera ...
Yellowstone has numerous hot springs, but not all of them boil at the same temperature. This is because the boiling temperature depends on the surrounding pressure and on the amounts of gases and ...
We sometimes think of Yellowstone as an untouched landscape, but humans have been present in the area for over ten thousand years! The history and traditions of Indigenous people in Yellowstone are as ...
USGS energy resource assessments provide information to policymakers on resource potential in areas of the United States and the world. The results of an energy resources assessment feed into land-use ...
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.
Low-level helicopter flights will begin in October over eastern Oregon to image geology using airborne geophysical technology.
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