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CGS Map Sheet 48: Historic Earthquakes, 1769 to 2015 - California (Magnitude 5.0-plus)
State of California —
Epicenters of known M≥5 earthquakes from 1769 to 2016 are shown for California and a 100 km area bordering the state. Earthquakes are grouped by: M = 5-6; M = 6-7; M... -
State
Bedrock geologic map of the eastern Denali Highway area, Mount Hayes, Healy, and Talkeetna Mountains quadrangles, Alaska
State of Alaska —
Report of Investigation 2020-7, Bedrock geologic map of the eastern Denali Highway area, Mount Hayes, Healy, and Talkeetna Mountains quadrangles, Alaska, presents... -
State
DGGS Geologic Earth Resource Library of Alaska (GERILA) Database
State of Alaska —
DGGS Geologic Earth Resource Library of Alaska (GERILA) Database, Digital Data Series 22, is the enterprise database back-end to the Alaska Division of Geological... -
State
Preliminary geologic map of the Fairbanks mining district, Alaska
State of Alaska —
Public Data File 96-16, Preliminary geologic map of the Fairbanks mining district, Alaska, provides detailed (1:63,360-scale) geologic mapping of portions of U.S.... -
State
Major-oxide and trace-element geochemical data from rocks collected in 2019 for the Eastern Tanacross project, Tanacross and part of Nabesna quadrangles, Alaska
State of Alaska —
During the 2019 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted 1:100,000-scale geologic mapping and... -
State
The ~400 yr B.P. eruption of Half Cone, a post-caldera composite cone within Aniakchak caldera, Alaska Peninsula
State of Alaska —
DGGS Professional Report 126, The ~400 yr B.P. eruption of Half Cone, a post-caldera composite cone within Aniakchak caldera, Alaska Peninsula, presents an... -
State
Geologic map of the Big Delta A-4 Quadrangle, Alaska
State of Alaska —
This map illustrates extents and types of unconsolidated deposits and bedrock in the Big Delta A-4 Quadrangle, Alaska. This map is based on field observations begun... -
State
Koyukuk electromagnetic and magnetic airborne geophysical survey data compilation
State of Alaska —
The Koyukuk geophysical survey is located in interior Alaska in the Koyukuk mining district, about 300 kilometers north of Fairbanks, Alaska. Frequency domain... -
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Radon Data
State of Oregon —
The polygons in this feature class are geologic map units assigned a radon potential rank, based on three major geologic factors: geologic materials, aerial... -
State
Shoreline change at Alaska coastal communities, Tununak, Alaska
State of Alaska —
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from... -
State
Geologic Map of the Eagle A-2 Quadrangle, Fortymile mining district, Alaska
State of Alaska —
The Alaska Division of Geological & Geophysical Surveys (DGGS) has conducted 1:63,360-scale geologic mapping of the Eagle A-2 Quadrangle (270 square miles;... -
State
40Ar/39Ar data from rocks collected in 2013 in the Wrangellia mineral assessment area, Gulkana, Healy, Mount Hayes, and Talkeetna Mountains quadrangles, Alaska
State of Alaska —
This DGGS report presents 40Ar/39Ar age dating results from selected mafic to intermediate intrusions encountered during a geological and geochemical resource... -
State
High-resolution lidar data for infrastructure corridors, Nabesna Quadrangle, Alaska
State of Alaska —
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of... -
State
Preliminary Derivative Geologic Materials Map of the Fairbanks Mining District, Alaska
State of Alaska —
This map illustrates potential near-surface sources of geologic materials that may be useful for construction and other purposes. Field observations indicate that... -
State
High-resolution lidar data for infrastructure corridors, Big Delta Quadrangle, Alaska
State of Alaska —
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of... -
State
Spatially referenced oblique aerial imagery of the Port Heiden shoreline, August 2013
State of Alaska —
In August 2013, a helicopter-based crew photographed approximately 52 miles (84 km) of shoreline near Port Heiden, Alaska, from 7 miles (11 km) northeast of Reindeer... -
State
Shoreline change at Alaska coastal communities, Newtok, Alaska
State of Alaska —
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from... -
State
Shoreline change at Alaska coastal communities, Chefornak, Alaska
State of Alaska —
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from... -
State
Photogrammetric digital surface models and orthoimagery for the continuous coastline, Wales to Platinum, Alaska, segment E: Stebbins to Kotlik
State of Alaska —
Aerial photographs of the coastline from Stebbins to Kotlik were collected on August 31, 2015. The photographs were processed using Structure-from-Motion (SfM)... -
State
Regional tsunami hazard assessment for communities of Bristol Bay and the Pribilof Islands, Alaska
State of Alaska —
We assess potential tsunami hazards for the communities of Dillingham, Nelson Lagoon, and Platinum in Bristol Bay, and St. Paul and St. George on the Pribilof...