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: 88
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 mosaic of the nearshore coastal waters of Haleolono Point on the island of Moloka'i generated using aerial photographs and SHOALS airborne lidar bathymetry data

This portion of the data release contains a digital image mosaic with 1 meter-per-pixel resolution of the Haleolono Point area on the south coast of Moloka'i. This image mosaic was generated using digitized 1:35K natural color photographs collected in September 1993 by the National Oceanic and Atmospheric Administration (NOAA) National Ocean Service (NOS). Also available is a lower-re

Date published: January 1, 2016

Digital image mosaic of the nearshore coastal waters of Kamiloloa on the island of Moloka'i 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 resolution of the Kamiloloa area on the south coast of Moloka'i. This image mosaic was generated using digitized 1:10K natural color photographs collected in January 2000 by Air Survey Hawai'i, Inc. for the U.S. Geological Survey. Also available is a lower-resolution 'browse' graphic of the image

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

Filter Total Items: 297
Map showing lower East Rift Zone lava flows and fissures
June 1, 2018

Map as of 6:00 p.m. HST, June 1, 2018.

Map showing lower East Rift Zone lava flows and fissures
June 1, 2018

Map as of 10:00 a.m. HST, June 1, 2018.

Map showing lower East Rift Zone lava flows and fissures
May 31, 2018

Map as of 2:00 p.m. HST, May 31, 2018.

Thermal map of fissure system and lava flows
May 31, 2018

This thermal map shows the fissure system and lava flows as of 12:15 pm on Thursday, May 31.

Map showing fissure flows
May 31, 2018

Map as of 9:00 a.m. HST, May 31, 2018.

Thermal map of fissure system and lava flows
May 30, 2018

This thermal map shows the fissure system and lava flows as of 12:15 pm on Wednesday, May 30.

Map showing fissure flows
May 30, 2018

Map as of 9:00 a.m. HST, May 30, 2018.

Map showing fissure flows
May 30, 2018

Map as of 3:00 p.m. HST, May 30, 2018.

Map showing fissure flows
May 29, 2018

Map as of 6:00 p.m. HST, May 29, 2018.

Map showing fissure flows
May 28, 2018

Map as of May 28, 2018 3:00 p.m. HST

Thermal map of fissure system and lava flows
May 28, 2018

This thermal map shows the fissure system and lava flows as of 1:15 pm on Monday, May 28.

Map showing fissure flows
May 27, 2018

Map as of 2:30 p.m. HST, May 27, 2018.

Filter Total Items: 111
Publication Thumbnail
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.

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Year Published: 2003

Land Use on the Island of Oahu, Hawaii, 1998

A hierarchical land-use classification system for Hawaii was developed, and land use on the island of Oahu was mapped. The land-use classification system emphasizes agriculture, developed (urban), and barren/mining uses. Areas with other land uses (conservation, forest reserve, natural areas, wetlands, water, and barren [sand, rock, or soil]...

Klasner, Frederick L.; Mikami, Clinton D.
Land Use on the Island of Oahu, Hawaii, 1998; 2003; WRI; 2002-4301; Klasner, Frederick L.; Mikami, Clinton D.

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Year Published: 2003

Rainfall, Streamflow, and Water-Quality Data During Stormwater Monitoring, Halawa Stream Drainage Basin, Oahu, Hawaii, July 1, 2002 to June 30, 2003

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 was 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, 2002 to June 30, 2003; 2003; OFR; 2003-331; Young, Stacie T. M.; Ball, Marcael T. J.

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Year Published: 2003

Surface Water in Hawaii

Surface water in Hawaii is a valued resource as well as a potential threat to human lives and property. The surface-water resources of Hawaii are of significant economic, ecologic, cultural, and aesthetic importance. Streams supply more than 50 percent of the irrigation water in Hawaii, and although streams supply only a few percent of the...

Oki, Delwyn S.
Surface Water in Hawaii; 2003; FS; 045-03; Oki, Delwyn S.

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Year Published: 2002

Rainfall, Streamflow, and Water-Quality Data During Stormwater Monitoring, Halawa Stream Drainage Basin, Oahu, Hawaii, July 1, 2001 to June 30, 2002

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 data were collected at two sites, and streamflow data were collected at 3 sites for...

Presley, Todd K.
Rainfall, Streamflow, and Water-Quality Data During Stormwater Monitoring, Halawa Stream Drainage Basin, Oahu, Hawaii, July 1, 2001 to June 30, 2002; 2002; OFR; 2002-319; Presley, Todd K.

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Year Published: 2002

Reassessment of Ground-Water Recharge and Simulated Ground-Water Availability for the Hawi Area of North Kohala, Hawaii

An estimate of ground-water availability in the Hawi area of north Kohala, Hawaii, is needed to determine whether ground-water resources are adequate to meet future demand within the area and other areas to the south. For the Hawi area, estimated average annual recharge from infiltration of rainfall, fog drip, and irrigation is 37.5 million...

Oki, Delwyn S.
Reassessment of Ground-Water Recharge and Simulated Ground-Water Availability for the Hawi Area of North Kohala, Hawaii; 2002; WRI; 2002-4006; Oki, Delwyn S.

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Year Published: 2002

Streamflow and Erosion Response to Prolonged Intense Rainfall of November 1-2, 2000, Island of Hawaii, Hawaii

A combination of several meteorologic and topographic factors produced extreme rainfall over the eastern part of the island of Hawaii on November 1-2, 2000. Storm rainfall was concentrated in two distinct areas, the Waiakea and Kapapala areas, where maximum rainfall totals of 32.47 and 38.97 inches were recorded. Resultant flooding caused damages...

Fontaine, Richard A.; Hill, Barry R.
Streamflow and Erosion Response to Prolonged Intense Rainfall of November 1-2, 2000, Island of Hawaii, Hawaii; 2002; WRI; 2002-4117; Fontaine, Richard A.; Hill, Barry R.

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Year Published: 2002

Numerical Simulation of Ground-Water Withdrawals in the Southern Lihue Basin, Kauai, Hawaii

Numerical simulations indicate that ground-water withdrawals from the Hanamaulu and Puhi areas of the southern Lihue Basin will result in a decline in water levels and reductions in base flows of streams near proposed new water-supply wells. Most of the changes will be attained within 10 to 20 years of the start of pumping. Except for areas such...

Izuka, Scot K.; Oki, Delwyn S.
Numerical Simulation of Ground-Water Withdrawals in the Southern Lihue Basin, Kauai, Hawaii; 2002; WRI; 2001-4200; Izuka, Scot K.; Oki, Delwyn S.

Filter Total Items: 1,632
April 29, 2019

Timelapse sequence shows a typical day at Mauna Loa's summit

This timelapse sequence of webcam images over a 24-hour period shows a typical day at the summit of Mauna Loa. The webcam (MLcam) is located on the northeast rim of Moku‘āweoweo, Mauna Loa's summit caldera. This sequence begins in the dark, with the moon rising (white dot at left in images), then brightens as the sun rises. Clear skies in the morning shift to cloudy

floor of Mauna Loa caldera floor with blue sky in the background
April 24, 2019

Mauna Loa caldera

HVO staff visited the summit of Mauna Loa on foot to repair the webcam on April 24. The weather was perfectly clear and views of the caldera floor showed nothing unusual.

HVO geologist walks along the Mauna Loa summit trail
April 24, 2019

HVO geologist walks along the Mauna Loa summit trail

An HVO geologist walks along the Mauna Loa summit trail, with Mauna Kea visible in the distant background.

HVO scientists inspect a seismic station on Mauna Loa
April 12, 2019

HVO scientists inspect a seismic station on Mauna Loa

HVO scientists inspect a seismic station on Mauna Loa to evaluate for a possible equipment upgrade in the near future.

HVO scientists measure a GPS instrument
April 12, 2019

HVO scientists measure a GPS instrument

HVO scientists measure a GPS instrument to ensure its stability during a multi-day deployment in the Kahuku Unit of Hawai‘i Volcanoes National Park. In recent weeks, HVO has been working to complete a GPS campaign on Mauna Loa, which involves temporary deployments of high-precision GPS receivers to collect data that will help refine models of the volcano's inflation.

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high-precision GPS unit
April 11, 2019

high-precision GPS unit

A high-precision GPS unit (on white "T" in foreground) records its position at a ground control point along Pohoiki Road. This marker was painted in July 2018 and is visible in numerous aerial photographs taken by USGS Hawaiian Volcano Observatory geologists throughout Kīlauea's lower East Rift Zone eruption last summer. GPS data are recorded over a period of four minutes

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April 8, 2019

Overflight of Kīlauea Caldera

This wide-angle video shows the southwest portion of Kīlauea caldera in the area of Halema‘uma‘u. Faint plumes of volcanic gas are rising from yellow fumaroles on the walls of the deep conical pit. Overall, no significant changes were observed at the summit on today's overflight.

Coqui frog sitting on a red Ti plant leaf
April 1, 2019

Coqui frog on a red ti leaf

A coqui frog sits on a red ti leaf, next to a quarter for scale. Native to Puerto Rico, coqui frogs are an invasive species in Hawaii.

Coqui frog on red ti plant leaf
April 1, 2019

Coqui frog on a red ti plant leaf

A coqui frog rests on a red ti plant leaf. Native to Puerto Rico, coqui are an invasive species in Hawaii.

GPS station on Mauna Loa
March 27, 2019

GPS survey is completed annually on Mauna Loa

A high-precision Global Positioning System (GPS) survey is completed annually on Mauna Loa. This station was occupied for a period of three days to supplement the continuously operating GPS stations on the volcano. A beautiful view of Mauna Kea (in distance) could seen from this site during the GPS survey. 

 small amounts of sulfur dioxide
March 22, 2019

small amounts of sulfur dioxide

Only small amounts of sulfur dioxide (SO2) and hydrogen sulfide (H2S) are currently being released from Kīlauea, but they chemically react with each other (oxidation-reduction reaction) to form the bright yellow sulfur deposits visible on the crater walls within Halema‘uma‘u. The current low sulfur emission rates at Kīlauea have contributed to

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Thinly bedded Kīlauea explosion deposits
September 20, 2018

The limited collapse of the inner part of Kīlauea Volcano's caldera this summer fell well short of the larger summit-wide collapses that occurred in the past. How many such limited collapses can we recognize at Kīlauea before written records were kept? The answer is none.

seismologists install a nodal geophone on Kīlauea's lower East Rift Zone
September 13, 2018

Kīlauea Volcano's 2018 lower East Rift Zone eruption and summit collapse provided a rare opportunity to study dynamic eruptive processes beneath and at the surface of the volcano.

lava is rapidly advancing through communities
September 6, 2018

In 1902, Thomas A. Jaggar, a geologist and founder of the Hawaiian Volcano Observatory (HVO), visited the scene of one of the most deadly volcanic disasters in modern history: Mount Pelee on the Caribbean Island of Martinique.

geophysicist downloads data at a temporary GPS station
August 30, 2018

The USGS Hawaiian Volcano Observatory (HVO) has an extensive network of instruments that helps us monitor how the ground deforms due to magma moving underground. However, we are fortunate that scientific colleagues also pitched in to support our responses to Kīlauea Volcano's lower East Rift Zone (LERZ) eruption and summit collapse.

Before and after views of a water fall.  First shows light flow of water over the falls, the second shows heavy flow.
August 24, 2018

Editor’s note: This article will be updated online with more information on the USGS response to Hurricane Lane as it becomes available.

50,000 tons of sulfur dioxide gas per day
August 23, 2018

Many Island of Hawai‘i residents are familiar with the volcanic air pollution known as "vog." The main culprit in the formation of vog is sulfur dioxide gas (SO2) released from Kīlauea's eruptions (see vog.ivhhn.org/what-vog for more information).

Nighttime scene from shipboard of lava entering the Pacific Ocean
August 16, 2018

The visible part of Kīlauea from the summit to the Lower East Rift Zone (LERZ) makes up only a small portion of the total volcano. Much of Kīlauea lies beneath the sea, including the Puna ridge to the east, and the south flank extending offshore beyond the southern coastline.

visibly active lava on Kīlauea Volcano's lower East Rift Zone
August 9, 2018

Since the morning of August 4, 2018, activity at Kīlauea Volcano's summit and its lower East Rift Zone (LERZ) has diminished dramatically—and the slowdown continues.

active lava channel on Kīlauea Volcano's lower East Rift Zone
August 2, 2018

"How long will it last?" is one of the most challenging questions asked about a volcanic eruption, including Kīlauea Volcano's current lower East Rift Zone (LERZ) eruption.

Changes at Halemaumau over time...
July 31, 2018

We've compiled some Frequently Asked Questions that address the reasons behind the current activity summit activity and what might happen over the next several months.

lava temperatures were about 2000 degrees Fahrenheit
July 27, 2018

"What's happening inside the volcano?" is just one of many questions asked about Kīlauea's ongoing lower East Rift Zone eruption. Looking at the geochemistry of erupted lava can help us answer these questions.

lava being blasted upward and outward during a hydrovolcanic explosion
July 20, 2018

Since May 3, 2018, Kīlauea Volcano's lower East Rift Zone eruption has destroyed more than 700 structures, covered more than 32 sq km (12.4 sq mi) of land with black lava, and added about 700 acres of new land to the island. Yet, remarkably, injuries had been few.