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.

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Filter Total Items: 89
Date published: January 1, 2016

Digital image mosaic of the nearshore coastal waters of Diamond Head on the island of O'ahu generated using aerial photographs and SHOALS airborne lidar bathymetry data

This portion of the data release contains a digital image mosaic with 1.0 foot-per-pixel (0.3048 meter-per-pixel) resolution of the Diamond Head area on the southeast coast of O'ahu. This image mosaic was generated using digitized 1:10K natural color photographs collected by the National Oceanic and Atmospheric Administration (NOAA) National Ocean Service. Also available is a lower-re

Date published: January 1, 2016

Shaded-relief image mosaic of the nearshore coastal waters from Waikiki to Portlock on the island of O'ahu generated using aerial photographs and SHOALS airborne lidar bathymetry data

This portion of the data release contains a digital image mosaic from Waikiki to Portlock along the southeast coast of O'ahu. Digital mosaics at 1-foot (0.3048-meter) resolution, including the areas of Waikiki, Diamond Head, Wai'alae, Maunalua Bay, and Portlock, were generated from 1:10K aerial photography. These five image mosaics were then combined into one larger mosaic%2

Date published: January 1, 2016

Digital image mosaics of the nearshore coastal waters of selected areas on the island of Moloka'i generated using aerial photographs and SHOALS airborne lidar bathymetry data

This portion of the data release contains digital image mosaics along the south coast of Moloka'i. Digital mosaics at 1-foot (0.3048-meter) resolution, including the areas of Pala'au, Umipa'a, Kaunakakai, Kamiloloa, Kawela, Kamalo, and Kalaeloa, were generated from 1:10K aerial photography, and are presented in one zip file (molokai_1ft.zip) that also contains lo

Date published: January 1, 2016

Digital image mosaics of the nearshore coastal waters of Waikiki on the island of O'ahu generated using aerial photographs and SHOALS airborne lidar bathymetry data

This portion of the data release contains a digital image mosaic with 1.0 foot-per-pixel (0.3048 meter-per-pixel) resolution of the Waikiki area on the southeast coast of O'ahu. This image mosaic was generated using digitized 1:10K natural color photographs collected by the National Oceanic and Atmospheric Administration (NOAA) National Ocean Service. Also available is a lower-resolut

Date published: December 28, 2015

Coastal and Marine Geology Program video and photograph portal

This portal contains video and photography of the seafloor and aerial imagery along much of the coastal U.S. For the first time, this portal makes many video and photo datasets available to explore in an easy-to-use geospatial viewer. This portal was originally developed to serve imagery from the USGS's Coastal and Marine Hazards and Resources Program Seafloor Mapping projects and Hurricane...

Filter Total Items: 367
Thermal map of fissure system and lava flows
July 24, 2018

This thermal map shows the fissure system and lava flows as of 6 am on Tuesday, July 24.

Map showing lower East Rift Zone lava flows and fissure
July 23, 2018

Map as of 1:00 p.m. HST, July 23, 2018.

Map showing lower East Rift Zone lava flows and fissure
July 22, 2018

As of 2:00 p.m. HST, July 22, 2018, the lava flow margins had not expanded since the previous map, so no red areas (indicating expansion) appear on this map.

Thermal map of fissure system and lava flows
July 21, 2018

This thermal map shows the fissure system and lava flows as of 6 am on Saturday, July 21

Map showing lower East Rift Zone lava flows and fissure
July 19, 2018

Map as of 12:00 p.m. HST, July 19, 2018

Thermal map of fissure system and lava flows
July 19, 2018

This thermal map shows the fissure system and lava flows as of 6 am on Thursday, July 19

Map showing lower East Rift Zone lava flows and fissure
July 18, 2018

Map as of 10:00 a.m. HST, July 18, 2018.

Thermal map of fissure system and lava flows
July 17, 2018

This thermal map shows the fissure system and lava flows as of 6 am on Tuesday, July 17.

Map of Kīlauea East Rift Zone lava flows and fissures
July 16, 2018

Map as of 1:00 p.m. HST, July 16, 2018

Thermal map of fissure system and lava flows
July 14, 2018

This thermal map shows the Fissure 8 flow as of 6 am on Saturday, July 14

Thermal map of fissure system and lava flows
July 12, 2018

This thermal map shows the fissure system and lava flows as of 6 am on Thursday, July 12

Map of Kīlauea East Rift Zone lava flows and fissures
July 12, 2018

Map as of 3:00 p.m. HST, July 12, 2018

Filter Total Items: 118
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Year Published: 2005

Median and Low-Flow Characteristics for Streams under Natural and Diverted Conditions, Northeast Maui, Hawaii

Flow-duration statistics under natural (undiverted) and diverted flow conditions were estimated for gaged and ungaged sites on 21 streams in northeast Maui, Hawaii. The estimates were made using the optimal combination of continuous-record gaging-station data, low-flow measurements, and values determined from regression equations developed as part...

Gingerich, Stephen B.
Median and Low-Flow Characteristics for Streams under Natural and Diverted Conditions, Northeast Maui, Hawaii; 2005; SIR; 2004-5262; Gingerich, Stephen B.

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Year Published: 2005

Water Quality in the Halawa, Haiku, and Kaneohe Drainage Basins Before, During, and After H-3 Highway Construction, Oahu, Hawaii, 1983-1999

Selected water-quality data collected before, during, and after construction of the H-3 Highway at 13 water-quality stations were compared to the State of Hawaii Department of Health water-quality standards to determine the effects of highway construction on the water quality of the affected streams. Highway construction had no effect on the high...

Wong, Michael F.
Water Quality in the Halawa, Haiku, and Kaneohe Drainage Basins Before, During, and After H-3 Highway Construction, Oahu, Hawaii, 1983-1999; 2005; SIR; 2004-5002; Wong, Michael F.

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Year Published: 2004

Water Resources Data: Hawaii and Other Pacific Areas, Water Year 2003. Volume 1. Hawaii

Water resources data for the 2003 water year for Hawaii consist of records of stage, discharge, and water quality of streams and springs; water levels and quality of water wells; and rainfall totals. * Water discharge for 70 gaging stations on streams, springs, and ditches. * Discharge data for 97 crest-stage partial-record stations. * Water-...

Teeters, P.C.; Taogoshi, R.I.; Nishimoto, D.C.; Shimizu, B.H.
Water Resources Data: Hawaii and Other Pacific Areas, Water Year 2003. Volume 1. Hawaii; 2004; WDR; HI-03-1; Teeters, P. C.; Taogoshi, R. I.; Nishimoto, D. C.; Shimizu, B. H.

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Year Published: 2004

Trends in Streamflow Characteristics at Long-Term Gaging Stations, Hawaii

The surface-water resources of Hawaii have significant cultural, aesthetic, ecologic, and economic importance. Proper management of the surface-water resources of the State requires an understanding of the long- and short-term variability in streamflow characteristics that may occur. The U.S. Geological Survey maintains a network of stream-gaging...

Oki, Delwyn S.
Trends in Streamflow Characteristics at Long-Term Gaging Stations, Hawaii; 2004; SIR; 2004-5080; Oki, Delwyn S.

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Year Published: 2004

Water Quality on the Island of Oahu, Hawaii, 1999-2001

This report contains the major findings of a 1999-2001 assessment of water quality on the island of Oahu, Hawaii. It is one of a series of reports by the National Water-Quality Assessment (NAWQA) Program that present major findings in 51 major river basins and aquifer systems across the Nation. In these reports, water quality is discussed in...

Anthony, Stephen S.; Hunt, Charles D.; Brasher, Anne M.D.; Miller, Lisa D.; Tomlinson, Michael S.
Water Quality on the Island of Oahu, Hawaii, 1999-2001; 2004; CIR; 1239; Anthony, Stephen S.; Hunt, Charles D., Jr.; Brasher, Anne M. D.; Miller, Lisa D.; Tomlinson, Michael S.

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Year Published: 2004

Rainfall, Streamflow, and Water-Quality Data During Stormwater Monitoring, Halawa Stream Drainage Basin, Oahu, Hawaii, July 1, 2003 to June 30, 2004

Storm runoff water-quality samples were collected as part of the State of Hawaii Department of Transportation Stormwater Monitoring Program. This program is designed to assess the effects of highway runoff and urban runoff on Halawa Stream. For this program, rainfall data were collected at two sites, continuous streamflow data at three sites, and...

Young, Stacie T.M.; Ball, Marcael T.J.
Rainfall, Streamflow, and Water-Quality Data During Stormwater Monitoring, Halawa Stream Drainage Basin, Oahu, Hawaii, July 1, 2003 to June 30, 2004; 2004; OFR; 2004-1275; Young, Stacie T. M.; Ball, Marcael T. J.

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Year Published: 2004

Trends in Streamflow Characteristics in Hawaii, 1913-2002

The surface-water resources of Hawaii have significant cultural, aesthetic, ecologic, and economic importance. In Hawaii, surface-water resources are developed for both offstream uses (for example, drinking water, agriculture, and industrial uses) and instream uses (for example, maintenance of habitat and ecosystems, recreational activities,...

Oki, Delwyn S.
Trends in Streamflow Characteristics in Hawaii, 1913-2002; 2004; FS; 2004-3104; Oki, Delwyn S.

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Year Published: 2003

Water Resources Data: Hawaii and Other Pacific Areas, Water Year 2002. Volume 1. Hawaii

Water resources data for the 2002 water year for Hawaii consist of records of stage, discharge, and water quality of streams and springs; water levels and quality of water wells; and rainfall totals. * Water discharge for 71 gaging stations on streams, springs, and ditches. * Discharge data for 93 crest-stage partial-record stations. * Water-...

Wong, M.F.; Nishimoto, D.C.; Teeters, P.C.; Taogoshi, R.I.
Water Resources Data: Hawaii and Other Pacific Areas, Water Year 2002. Volume 1. Hawaii; 2003; WDR; HI-02-1; Wong, M. F.; Nishimoto, D. C.; Teeters, P. C.; Taogoshi, R. I.

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Year Published: 2003

Availability and Distribution of Base Flow in Lower Honokohau Stream, Island of Maui

Honokohau Stream is one of the few perennial streams in the Lahaina District of West Maui. Current Honokohau water-use practices often lead to conflicts among water users, which are most evident during periods of base flow. To better manage the resource, data are needed that describe the availability and distribution of base flow in lower...

Fontaine, Richard A.
Availability and Distribution of Base Flow in Lower Honokohau Stream, Island of Maui; 2003; WRI; 2003-4060; Fontaine, Richard A.

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Year Published: 2003

Paleointensity in Hawaiian Scientific Drilling Project Hole (HSDP2): Results from submarine basaltic glass

Paleointensity estimates based on the high quality Thellier‐Thellier data from the early Brunhes (420–780 ka) are rare (only 30 in the published literature). The Second Hawaiian Scientific Drilling Project (HSDP2) drill hole recovered submarine volcanics spanning the approximate time period of 420–550 ka. These are of particular interest for...

Tauxe, L.; Love, Jeffrey J.

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Year Published: 2003

Environmental Setting and the Effects of Natural and Human-Related Factors on Water Quality and Aquatic Biota, Oahu, Hawaii

The island of Oahu is the third largest island of the State of Hawaii, and is formed by the eroded remnants of the Waianae and Koolau shield volcanoes. The landscape of Oahu ranges from a broad coastal plain to steep interior mountains. Rainfall is greatest in the mountainous interior parts of the island, and lowest near the southwestern coastal...

Oki, Delwyn S.; Brasher, Anne M.D.
Environmental Setting and the Effects of Natural and Human-Related Factors on Water Quality and Aquatic Biota, Oahu, Hawaii; 2003; WRI; 2003-4156; Oki, Delwyn S.; Brasher, Anne M. D.

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Year Published: 2003

Ground-Water Quality and its Relation to Land Use on Oahu, Hawaii, 2000-01

Water quality in the main drinking-water source aquifers of Oahu was assessed by a one-time sampling of untreated ground water from 30 public-supply wells and 15 monitoring wells. The 384 square-mile study area, which includes urban Honolulu and large tracts of forested, agricultural, and suburban residential lands in central Oahu, accounts for 93...

Hunt, Charles D.
Ground-Water Quality and its Relation to Land Use on Oahu, Hawaii, 2000-01; 2003; WRI; 2003-4305; Hunt, Charles D., Jr.

Filter Total Items: 2,120
A close up view of the western portion of the lava lake within Halema‘uma‘u, at Kīlauea summit
May 12, 2021

Halema‘uma‘u eruption activity on May 12, 2021 — Kīlauea summit

A close up view of the western portion of the lava lake within Halema‘uma‘u, at Kīlauea summit. A weak gas plume is emitted from the western fissure vent (left), with the most recent sulfur dioxide emission rate measured at 150 tonnes per day on May 11. USGS photograph taken by D. Downs on May 12, 2021 from the west rim of Halema‘uma‘u.

On the west side of Mauna Loa summit, a campaign GPS (center-right) measures its location for a period of 2–3 days
May 11, 2021

Mauna Loa campaign GPS survey—May 11, 2021

On the west side of Mauna Loa summit, a campaign GPS (center-right) measures its location for a period of 2–3 days. This site has been occupied every year by helicopter since 1994. Mauna Kea, Hualālai and Haleakalā can be seen in the distance. USGS photo taken by S. Conway on May 11, 2021, during the 2021 Mauna Loa GPS campaign survey. 

HVO geophysicists completed the annual high-precision Global Positioning System (GPS) survey of Mauna Loa
May 11, 2021

Global Positioning System (GPS) survey of Mauna Loa recently completed

Recently, HVO geophysicists completed the annual high-precision Global Positioning System (GPS) survey of Mauna Loa. The annual survey supplements HVO's continuous GPS monitoring stations and provides information on vertical and horizontal deformation of the ground surface. These measurements inform HVO about the volume changes within subsurface magma reservoirs at Mauna

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During the annual Mauna Loa GPS campaign, 33 campaign stations are occupied with GPS instruments for days to weeks
May 11, 2021

Annual Mauna Loa GPS Survey—2021

During the annual Mauna Loa GPS campaign, 33 campaign stations are occupied with GPS instruments for days to weeks. The stations are spread across the flanks of the volcano and provide a synoptic picture of deformation on the volcano over the past year. The location of this survey was on the north flank of Mauna Loa, with clear views of Mauna Kea visible in the background

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GPS survey benchmark being occupied on Mauna Loa's north flank
May 11, 2021

Annual Mauna Loa GPS Survey—2021

Another GPS survey benchmark being occupied on Mauna Loa's north flank, with clear views of Mauna Kea in the background. The metal disk on the ground beneath the tripod is the benchmark, which is cemented to the lava flow surface. Each year, the high-precision GPS unit is centered on the benchmark, and the height of the GPS unit on the tripod is accounted for when

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Color map of lava lake at volcano summit
May 7, 2021

May 7, 2021—Kīlauea summit eruption contour map

This map of Halema‘uma‘u at the summit of Kīlauea shows 20 m (66 ft) contour lines (dark gray) that mark locations of equal elevation above sea level (asl). The map shows that the lava lake has filled 229 m (751 ft) of the crater, to an elevation of 746 m (2448 ft) asl since the eruption began on December 20, 2020. Contour lines highlighted in green, purple, and blue mark

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Color photograph of lava lake
May 7, 2021

Lava lake in Halema‘uma‘u - Kīlauea, May 7 2021

The lava lake in Halema‘uma‘u crater, at the summit of Kīlauea, remains active, as seen in this view looking northwest. The active surface lava area continues to decrease in size, and activity is weaker, with only occasional localized surface foundering. Incandescent lava is confined to area between western fissure complex (left center) and the main island (lower right).

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Color photograph of lava lake
May 6, 2021

Close-up view of active western portion of Halema‘uma‘u lava lake

This close-up view of the active western portion of the Halema‘uma‘u lava lake at the summit of Kīlauea was captured on Thursday, May 6 through the lens of a laser rangefinder used by HVO scientists to measure distances to features within the crater. HVO scientists observed that the area immediately surrounding the inlet to the lava lake (above-center) was slightly perched

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Color photograph of lava lake
May 6, 2021

Halema‘uma‘u lava lake, May 6, 2021

View of the active surface lava in the western portion of Halema‘uma‘u, at the summit of Kīlauea Volcano. The west vent (upper left) continues to erupt lava into the lava lake through an inlet near the base of the cone. The active lava lake surface area has decreased in size over the past two weeks since the northeast (right) and southwest (left) surface has been

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Color photograph of lava lake
May 5, 2021

Halema‘uma‘u eruptive activity on 05 May 2021

Lava continues to flow from the western vent (bottom left) into the lava lake at Halema‘uma‘u Crater at the summit of Kīlauea Volcano, Island of Hawai‘i. A portion of the active surface of the lava lake can be seen here with orange, incandescent lava between the west vent and the main island. This photograph was taken on Wednesday, March 5, 2021, at 12:37 p.m. HST from the

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Hiking along the rim of the 2018 collapse area at the summit of Kīlauea
April 30, 2021

View of Kīlauea summit eruption gas plume from southeast — April 30

While hiking along the rim of the 2018 collapse area at the summit of Kīlauea, HVO scientists visited a site to the southeast of Halema‘uma‘u known as Akanikōlea—a culturally-significant place that is featured in Hawaiian legends. While the lava lake from the ongoing eruption in Halema‘uma‘u is not visible from this vantage point, the gas plume from the eruption is (

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HVO scientists hiked along the closed Crater Rim Road on April 30th to retrieve acoustic (sound) sensors for a scientific study
April 30, 2021

View of Kīlauea's September 1982 lava flow lobe — April 30, 2021

HVO scientists hiked along the closed Crater Rim Road on April 30th to retrieve acoustic (sound) sensors for a scientific study. This section of the road was damaged by earthquake activity during the 2018 Kīlauea summit caldera collapse. This stretch of road traverses part of the September 1982 lava flow, visible as a lobe of black rock on the right of the road. Mauna Loa

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On Monday, April 26, 2021, lava continued to flow from the western vent into the active lava lake in Halema‘uma‘u Crater
April 27, 2021

Kīlauea's summit eruption continues on the Island of Hawai‘i; Halema‘uma‘u west vent erupts lava into the lava lake, which was 227 m (744 ft) deep this morning, April 27. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Color animated gif of lava lake rise
April 23, 2021

Kīlauea's summit eruption continues on the Island of Hawai‘i; Halema‘uma‘u west vent erupts lava into the lava lake, which was 227 m (744 ft) deep this morning, April 23. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Color photograph of instrument and mountain
April 22, 2021

Gravimeters, essentially extremely precise pendulums, can measure a change in the force of gravity to one-in-one billionth of the force you feel every day. This force varies based on the distance and the amount of mass between the instrument (or you) and the center of the Earth.

Color photograph of lava lake
April 21, 2021

Kīlauea's summit eruption continues on the Island of Hawai‘i; Halema‘uma‘u west vent erupts lava into the lava lake, which was 226 m (741 ft) deep this morning, April 21. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

An HVO geologist surveys the lava lake from the eastern rim of Halema‘uma‘u Crater
April 19, 2021

Kīlauea's summit eruption continues on the Island of Hawai‘i; Halema‘uma‘u west vent erupts lava into the lava lake, which was 226 m (741 ft) deep this morning, April 19. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

View looking southwest along the Southwest Rift Zone of Kīlauea Volcano.
April 15, 2021

It is no secret that the Island of Hawaiʻi is home to fantastic volcanic features, many of which have been created during eruptions of Kīlauea, Mauna Loa, and Hualalai since 1800. 

A close-up view of the western fissure within Halema‘uma‘u at the summit of Kīlauea Volcano
April 15, 2021

Kīlauea's summit eruption continues on the Island of Hawai‘i; Halema‘uma‘u west vent erupts lava into the lava lake, which was 227 m (745 ft) deep this morning, April 15. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

View from the south rim of Halema‘uma‘u shows the perched lava lake
April 14, 2021

Kīlauea's summit eruption continues on the Island of Hawai‘i; Halema‘uma‘u west vent erupts lava into the lava lake, which was 227 m (745 ft) deep this morning, April 14. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

Lava erupting from the west vent in Halema‘uma‘u crater emerged from a second source closer to the vents base
April 13, 2021

Kīlauea's summit eruption continues on the Island of Hawai‘i; Halema‘uma‘u west vent erupts lava into the lava lake, which was 226 m (741 ft) deep this morning, April 13. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.

USGS science for a changing world
April 9, 2021

The USGS recently published a data release that includes a three-dimensional model of Puʻuʻōʻō, on Kīlauea's East Rift Zone, and the collapse crater, constructed from aerial thermal images collected on 11 May 2018.  Structure-from-motion processing was used to create the model from the sequence of oblique images, and ground control using kinematic GPS was used to georegister the model.   

Color photograph of lava lake and crater wall
April 9, 2021

Kīlauea's summit eruption continues on the Island of Hawai‘i; Halema‘uma‘u west vent erupts lava into the lava lake, which was 225 m (738 ft) deep this morning, April 9. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear—monitor the eruption from within the closed area of Hawai‘i Volcanoes National Park with NPS permission.