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USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
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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June 14, 2023—Kīlauea summit eruption reference map June 14, 2023—Kīlauea summit eruption reference map
This reference map depicts the Kīlauea summit eruption on June 14, 2023.
June 12, 2023 — Kīlauea summit thermal maps June 12, 2023 — Kīlauea summit thermal maps
A helicopter overflight on June 12, 2023, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
June 8, 2023 — Kīlauea summit thermal maps June 8, 2023 — Kīlauea summit thermal maps
A helicopter overflight on June 8, 2023, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
June 7, 2023 — Kīlauea summit thermal maps June 7, 2023 — Kīlauea summit thermal maps
A helicopter overflight on June 7, 2023, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
June 7, 2023—Kīlauea summit eruption reference map June 7, 2023—Kīlauea summit eruption reference map
This reference map depicts the Kīlauea summit eruption on June 7, 2023.
May 23, 2023 — Kīlauea summit thermal maps May 23, 2023 — Kīlauea summit thermal maps
An helicopter overflight on May 23, 2023, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
Landslides triggered by the 2016–2017 storm season, eastern San Francisco Bay region, California Landslides triggered by the 2016–2017 storm season, eastern San Francisco Bay region, California
DiscussionThe winter rainy season of 2016–2017 brought abundant rainfall to the State of California and to the San Francisco Bay region. In January and February of 2017, intense rainfall from strong winter storms saturated soils in the region and triggered thousands of shallow landslides. The highest concentration of these landslides was in the eastern part of the bay region, where...
Logs and data from the Starthistle trench across a scarp within the Wallula Fault Zone, southeastern Washington Logs and data from the Starthistle trench across a scarp within the Wallula Fault Zone, southeastern Washington
IntroductionThe Wallula Fault Zone is composed of a series of northwest-trending faults and folds that coincide with a prominent magnetic anomaly that extends uninterrupted for approximately 120 kilometers within the Cascadia back arc of southeastern Washington and northeastern Oregon. It is part of the geologic structures associated with the topographic lineament known as the Olympic...
May 3, 2023 — Kīlauea summit thermal maps May 3, 2023 — Kīlauea summit thermal maps
A helicopter overflight on May 3, 2023, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
Using the potassium-argon laser experiment (KArLE) to date ancient, low-K chondritic meteorites Using the potassium-argon laser experiment (KArLE) to date ancient, low-K chondritic meteorites
Several laboratories have been investigating the feasibility of in situ K-Ar dating for use in future landing planetary missions. One drawback of these laboratory demonstrations is the insufficient analogy of the analyzed analog samples with expected future targets. We present the results obtained using the K-Ar laser experiment (KArLE) on two old and K-poor chondritic samples, Pułtusk...
March 14, 2023—Kīlauea summit eruption reference map March 14, 2023—Kīlauea summit eruption reference map
The Kīlauea summit eruption has been paused since Tuesday, March 7, 2023, and this reference map depicts the Halema‘uma‘u crater floor in its present noneruptive state.
March 10, 2023 — Kīlauea summit thermal map March 10, 2023 — Kīlauea summit thermal map
A helicopter overflight on March 10, 2023, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.