Unified Interior Regions

Hawaii

The Pacific Region has nine USGS Science Centers in California, Nevada, and Hawaii. The Regional Office, headquartered in Sacramento, provides Center oversight and support, facilitates internal and external collaborations, and works to further USGS strategic science directions.

States L2 Landing Page Tabs

Filter Total Items: 297
Map showing fissure flows
May 26, 2018

Map as of 3:00 p.m. HST, May 26.

Thermal map of fissure system and lava flows
May 25, 2018

This thermal map shows the fissure system and lava flows as of 12:15 pm on Friday, May 25.

Map showing fissure flows
May 25, 2018

Map as of 2:00 p.m. HST, May 25. 

Thermal map of fissure system and lava flows
May 24, 2018

This thermal map shows the fissure system and lava flows as of 12:15 pm on Thursday, May 24. 

Kīlauea Lower East Rift Zone Fissures and Flows, May 24 at 2:20 p.m...
May 24, 2018

Locations of fissures and an ‘a‘ā flow

Kīlauea Lower East Rift Zone Fissures and Flows, May 23 at 12:00 p....
May 23, 2018

Locations of fissures and an ‘a‘ā flow

Kīlauea Lower East Rift Zone Fissures and Flows, May 22 at 11:00 a....
May 22, 2018

Locations of fissures and an ‘a‘ā flow

Thermal map of fissure system and lava flows...
May 22, 2018

Thermal map shows the fissure system and lava flows. The primary lava flow originates from Fissure 22, but a new flow has been active over the past day from the Fissure 6 area.

Animated GIF of enlarging summit event
May 21, 2018

Series shows changes to the caldera area of Kīlauea Volcano

Thermal map of fissure system and lava flows...
May 21, 2018

Thermal map shows the fissure system and lava flows. The primary lava flows originate from the Fissure 20-22 area.

Kīlauea Lower East Rift Zone Fissures and Flows, May 21 at 8:00 a.m...
May 21, 2018

Locations of fissures and an ‘a‘ā flow

Kīlauea Lower East Rift Zone Fissures and Flows, May 20 at 11:00 a....
May 20, 2018

Locations of fissures and an ‘a‘ā flow

Filter Total Items: 111
Publication Thumbnail
Year Published: 2002

Whole-rock and glass major-element geochemistry of Kilauea Volcano, Hawaii, near-vent eruptive products: September 1994 through September 2001

This report presents major-element geochemical data for glasses and whole-rock aliquots among 523 lava samples collected near the vent on Kilauea's east rift zone between September 1994 and October 2001. Information on sample collection, analysis techniques and analytical standard reproducibility are presented as a PDF file, which also includes a...

Thornber, Carl R.; Sherrod, David R.; Siems, David F.; Heliker, Christina C.; Meeker, Gregory P.; Oscarson, Robert L.; Kauahikaua, James P.
Whole-rock and glass major-element geochemistry of Kilauea Volcano, Hawaii, near-vent eruptive products: September 1994 through September 2001; 2002; OFR; 2002-17; Thornber, Carl R.; Sherrod, David R.; Siems, David F.; Heliker, Christina C.; Meeker, Gregory P.; Oscarson, Robert L.; Kauahikaua, James P.

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Year Published: 2002

Streamflow and Suspended-Sediment Loads Before, During, and After H-3 Highway Construction, North Halawa, Haiku, South Fork Kapunahala, and Kamooalii Drainage Basins, Oahu, Hawaii, 1983-99

A long-term study (1983?99) was conducted to determine the effects of the H-3 Highway construction on streamflow and suspended-sediment transport on Oahu, Hawaii. Data were collected at five streamflow-gaging stations before, during, and after construction and at two stream-gaging stations during and after construction. Drainage areas at the seven...

Wong, Michael F.; Yeatts, Daniel S.
Streamflow and Suspended-Sediment Loads Before, During, and After H-3 Highway Construction, North Halawa, Haiku, South Fork Kapunahala, and Kamooalii Drainage Basins, Oahu, Hawaii, 1983-99; 2002; WRI; 2002-4005; Wong, Michael F.; Yeatts, Daniel S.

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Year Published: 2001

Surface water quality-assurance plan for the Hawaii District of the U. S. Geological Survey

This District Surface Water Quality-Assurance Plan documents the standards, policies, and procedures used by the Hawaii District for activities related to the collection, processing, storage, analysis, and publication of surface-water data.

Fontaine, R.A.
Surface water quality-assurance plan for the Hawaii District of the U. S. Geological Survey; 2001; OFR; 2001-75; Fontaine, R. A.

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Year Published: 2001

Drilling, Construction, Water-Level, and Water-Quality Information for the Kualapuu Deep Monitor Well, 4-0800-01, Molokai, Hawaii

A monitor well was completed in January 2001 by the U.S. Geological Survey in the Kualapuu area of central Molokai, Hawaii that allows for monitoring the thicknesses of the freshwater body and the upper part of the underlying freshwater-saltwater transition zone. The well was drilled in cooperation with the State Department of Hawaiian Home Lands...

Oki, Delwyn S.; Bauer, Glenn R.
Drilling, Construction, Water-Level, and Water-Quality Information for the Kualapuu Deep Monitor Well, 4-0800-01, Molokai, Hawaii; 2001; OFR; 2001-350; Oki, Delwyn S.; Bauer, Glenn R.

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Year Published: 2001

Rainfall, Streamflow, and Water-Quality Data During Stormwater Monitoring, Halawa Stream Drainage Basin, Oahu, Hawaii, July 1, 2000 to June 30, 2001

The State of Hawaii Department of Transportation Stormwater Monitoring Program was implemented on January 1, 2001. The program includes the collection of rainfall, streamflow, and water-quality data at selected sites in the Halawa Stream drainage basin. Rainfall and streamflow data were collected from July 1, 2000 to June 30, 2001. Few storms...

Presley, Todd K.
Rainfall, Streamflow, and Water-Quality Data During Stormwater Monitoring, Halawa Stream Drainage Basin, Oahu, Hawaii, July 1, 2000 to June 30, 2001; 2001; OFR; 2001-256; Presley, Todd K.

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Year Published: 2001

Analytical Versus Numerical Estimates of Water-Level Declines Caused by Pumping, and a Case Study of the Iao Aquifer, Maui, Hawaii

Comparisons were made between model-calculated water levels from a one-dimensional analytical model referred to as RAM (Robust Analytical Model) and those from numerical ground-water flow models using a sharp-interface model code. RAM incorporates the horizontal-flow assumption and the Ghyben-Herzberg relation to represent flow in a one-...

Oki, Delwyn S.; Meyer, William
Analytical Versus Numerical Estimates of Water-Level Declines Caused by Pumping, and a Case Study of the Iao Aquifer, Maui, Hawaii; 2001; WRI; 2000-4244; Oki, Delwyn S.; Meyer, William

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Year Published: 2001

The Response of the Iao Aquifer to Ground-Water Development, Rainfall, and Land-Use Practices Between 1940 and 1998, Island of Maui, Hawaii

Ground water pumped from the Iao aquifer has been used for agricultural purposes since 1948, and domestic purposes since 1955. In 1990, the Hawaii State Commission on Water Resource Management established a value of 20 million gallons per day for the sustainable yield of the aquifer. Water-level data from observation wells throughout the aquifer...

Meyer, William; Presley, Todd K.
The Response of the Iao Aquifer to Ground-Water Development, Rainfall, and Land-Use Practices Between 1940 and 1998, Island of Maui, Hawaii; 2001; WRI; 2000-4223; Meyer, William; Presley, Todd K.

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Year Published: 2001

Sedimentation History of Waimaluhia Reservoir during Highway Construction, Oahu, Hawaii, 1983-98

Nine sedimentation surveys conducted from 1983 to 1998 at Waimaluhia Reservoir determined the rate of sediment accumulation in the reservoir during H-3 Highway construction upstream of the reservoir. Rates of storage-capacity loss ranged from 1.1 acre-feet per year between 1983 and 1988 to 4.9 acre-feet per year between 1988 and 1992. The average...

Wong, Michael F.
Sedimentation History of Waimaluhia Reservoir during Highway Construction, Oahu, Hawaii, 1983-98; 2001; WRI; 2001-4001; Wong, Michael F.

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Year Published: 2001

Statistical Summary of Hydrologic and Water-Quality Data from the Halawa, Haiku, and Kaneohe Drainage Basins Before, During, and After H-3 Highway Construction, Oahu, Hawaii, 1983-99

This report provides statistical summaries of rainfall, streamflow, suspended-sediment, and water-quality data collected in the Halawa, Haiku, and Kaneohe drainage basins before, during, and after construction of the H-3 Highway on the island of Oahu, Hawaii. Methods of data collection also are described. Data collected during water years 1983...

Wong, Michael F.; Young, Stacie T.M.
Statistical Summary of Hydrologic and Water-Quality Data from the Halawa, Haiku, and Kaneohe Drainage Basins Before, During, and After H-3 Highway Construction, Oahu, Hawaii, 1983-99; 2001; OFR; 2001-64; Wong, Michael F.; Young, Stacie T. M.

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Year Published: 2001

Seismic hazard in Hawaii: High rate of large earthquakes and probabilistics ground-motion maps

The seismic hazard and earthquake occurrence rates in Hawaii are locally as high as that near the most hazardous faults elsewhere in the United States. We have generated maps of peak ground acceleration (PGA) and spectral acceleration (SA) (at 0.2, 0.3 and 1.0 sec, 5% critical damping) at 2% and 10% exceedance probabilities in 50 years. The...

Klein, F.W.; Frankel, A.D.; Mueller, C.S.; Wesson, R.L.; Okubo, P.G.
Seismic hazard in Hawaii: High rate of large earthquakes and probabilistics ground-motion maps; 2001; Article; Journal; Bulletin of the Seismological Society of America; Klein, F. W.; Frankel, A. D.; Mueller, C. S.; Wesson, R. L.; Okubo, P. G.

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Year Published: 2000

Site Selection for a Deep Monitor Well, Kualapuu, Molokai, Hawaii

Management of the ground-water resources near Kualapuu on the island of Molokai, Hawaii, is hindered by the uncertainty in the vertical salinity structure in the aquifer. In the State of Hawaii, vertical profiles of ground-water salinity are commonly obtained from deep monitor wells, and these profiles are used to estimate the thicknesses of the...

Oki, Delwyn S.
Site Selection for a Deep Monitor Well, Kualapuu, Molokai, Hawaii; 2000; WRI; 99-4291; Oki, Delwyn S.

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Year Published: 2000

Gravitational stability of three-dimensional stratovolcano edifices

Catastrophic flank collapses have occurred at many stratovolcanoes worldwide. We present a three-dimensional (3-D) slope stability analysis for assessing and quantifying both the locations of minimum edifice stability and the expected volumes of potential failure. Our approach can search the materials underlying a topographic surface, represented...

Reid, M.E.; Christian, S.B.; Brien, D.L.

Filter Total Items: 1,632
March 19, 2019

3D Model of Pu`u `Ō`ō

This 3D model of the Pu‘u ‘Ō‘ō crater was constructed from thermal images taken during a recent helicopter overflight. White areas show warm spots in the crater. Despite the absence of active lava in Pu‘u ‘Ō‘ō, changes at the crater have continued since magma drained from beneath it on April 30, 2018. The shape of the crater continues to change through occasional small

March 18, 2019

Rockfalls continue to change the shape of Pu‘u ‘Ō‘ō crater

This video was taken during an overflight of the Pu‘u ‘Ō‘ō crater on Kīlauea Volcano's middle East Rift Zone. No major changes were observed, but the shape of the crater continues to be altered by continued rockfalls.

test flight of an unmanned aerial system
February 20, 2019

test flight of an unmanned aerial system

A USGS pilot and Hawaiian Volcano Observatory gas geochemist prepare to conduct a test flight of an unmanned aerial system (UAS) on Kīlauea Volcano in November 2018. This UAS was outfitted with a prototype miniaturized multi-gas sensor for the detection of volcanic gases emitted by Kīlauea, including sulfur dioxide and carbon dioxide.

Lava flow thickness 2018
December 31, 2018

Lava flow thickness 2018

This preliminary thickness map of Kīlauea Volcano's 2018 lower East Rift Zone lava flows was calculated by subtracting pre-eruption ground surface elevations from post-eruption ground surface elevations mapped with USGS Unmanned Aerial System (drone) flights. The drones acquired 2,800 aerial photos from which 1.5 billion common points were automatically selected by Surface

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Wind turbines and trees against sky at sunset.
December 31, 2018

Windmills at sunset, Oʻahu

Turbines at a wind energy site on Oʻahu, Hawaiʻi.

 Department of Interior UAS pilots
December 31, 2018

UAS pilots at Kilauea

Department of Interior UAS pilots from left to right – Elizabeth Pendleton (USGS, Woods Hole, MA), Colin Milone (Office of Aviation Services, AK), John Vogel (USGS; Flagstaff, AZ), Sandy Brosnahan (USGS, Woods Hole, MA), Brandon Forbes (USGS; Tucson, AZ), Chris Holmquist-Johnson (USGS; Fort Collins, CO), Hannah Dietterich (USGS; Anchorage, AK), and Emily Sturdivant (USGS,

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View from the sky of a massive lava flow with glowing lava and smoke coming from a fissure in the earth.
December 31, 2018

Fissure 8 cone and 8-mile lava flow

An aerial view, collected from a USGS UAS, of Hawai‛i’s fissure 8 cone, and the start of the 8-mile lava flow to reach the ocean entry point.

December 31, 2018

Hovering Above—UAS’ Role in the 2018 Kīlauea Volcano Eruption Response

The 2018 Kīlauea Volcano eruption marked the first time the federal government used Unmanned Aircraft Systems (UAS) to assist in an eruption response in the United States. The UAS were used to survey areas otherwise inaccessible or too hazardous for field crews or manned aircraft, collect multiple types of data, and provide 24/7 real-time situational awareness at Kīlauea

December 31, 2018

Hovering Above—UAS’ Role in the 2018 Kīlauea Volcano Eruption (AD)

The 2018 Kīlauea Volcano eruption marked the first time the federal government used Unmanned Aircraft Systems (UAS) to assist in an eruption response in the United States. The UAS were used to survey areas otherwise inaccessible or too hazardous for field crews or manned aircraft, collect multiple types of data, and provide 24/7 real-time situational awareness at Kīlauea

progression of the magmatic intrusion from Kīlauea
December 31, 2018

progression of the magmatic intrusion from Kīlauea

Earthquakes (red dots) track the progression of the magmatic intrusion from Kīlauea Volcano's middle East Rift Zone to the lower East Rift Zone between April 30 and May 3, 2018. Orange triangles show the locations of fissure 1 (right), which erupted on May 3, and Pu‘u ‘Ō‘ō (left). The earthquakes shown here are well-located with magnitudes less than 3.5 and depths

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Explosive eruption columns of ash rising
December 31, 2018

Explosive eruption columns of ash rising

Explosive eruption columns of ash rising from Halema‘uma‘u at 11:15 a.m. on May 18, 1924 (top) and at 11:05 a.m. on May 15, 2018 (bottom) look similar. Researchers are re-evaluating early assumptions about the role groundwater played in triggering these explosive eruptions at the summit of Kīlauea Volcano and are now looking at the build-up of gases from retreating magma

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Image of wind turbine towering over trees
December 31, 2018

Wind turbine towering over trees

A wind turbine rising above Oʻahu trees forms part of a wind energy installation where USGS bat research is taking place.

Filter Total Items: 1,926
USGS
July 19, 2018

Reviews Kīlauea Volcano's ongoing lower East Rift Zone eruption, focusing on the fissure 8 vent, channel, and ocean entry, and describing a credible set of future scenarios and uncertainties, as guide for managing hazards and risks.

USGS
July 18, 2018

A variety of hydrovolcanic explosions may occur as basaltic lava flows into the ocean.

Edge of the Kīlauea vog plume near Waikoloa Village
July 13, 2018

For many Hawaii residents, interactions with Kīlauea Volcano's eruptions is through vog—a hazy mixture of sulfur dioxide gas and sulfate particles. However, sulfur on Kīlauea is not limited to vog components.

 lava lake within Halema‘uma‘u crater about 3 weeks before magma began to withdraw from beneath the crater.
July 5, 2018

We are currently witnessing extraordinary events at the summit of Kīlauea Volcano. For weeks the summit has subsided both in a continuous fashion and in incremental and jolting drops. As Kīlauea is being reshaped before our eyes, how does the current activity compare to similar collapses at other volcanoes in the world, or even to previous collapses at Kīlauea.

USGS
July 5, 2018

A guide for understanding current activity and hazards at and around the summit of Kīlauea Volcano, summarizing activity from late April through June 29, 2018, and possible future outcomes.

graphic of how a collapse/explosion event sequence
June 28, 2018

At the summit of Kīlauea Volcano, Halema‘uma‘u has changed dramatically since early May 2018. As the crater walls and inner caldera slump inward, the depth of Halema‘uma‘u has more than tripled and the diameter has more than doubled.

USGS
June 28, 2018

These FAQs will help answer some of the most commonly asked questions about the nature of Kīlauea's summit activity and the numerous earthquakes occurring in the area.

USGS
June 27, 2018

This "Cooperator Report to the U.S. Coast Guard" addresses hazards associated with the Kamokuna ocean entry, active July 2016—November 2017, on KILAUEA's south flank

Subsidence of caldera floor impedes ability of NPIT GPS station to ...
June 25, 2018

On June 18, Hawaiian Volcano Observatory staff said a sad goodbye to a GPS instrument that had faithfully recorded over 95 m (310 ft) of downward motion of the floor of Kīlauea caldera before losing radio contact.

This means that Mauna Loa is now considered to be at a normal, background level of activity. (More information about alert level
June 22, 2018

For more than six months, earthquakes at Mauna Loa have diminished and deformation has slowed, indicating that the volcano is no longer at an elevated level of unrest. On June 21, 2018, the Hawaiian Volcano Observatory (HVO) lowered the alert level from ADVISORY to NORMAL, and lowered the color code from YELLOW to GREEN.

the sun is illuminating the volcanic gas plume from behind
June 17, 2018

When volcanic gases are released into the atmosphere, resulting plumes sometimes appear to have a faint color. Is this color indicative of a certain gas present? Answering this question requires describing what makes a plume visible in the first place.