Unified Interior Regions

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Small-scale map of flow field...
December 3, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i. 

Satellite image shows June 27th lava flow...
November 30, 2015

This satellite image was captured on Monday, November 30, by the Advanced Land Imager instrument onboard NASA's Earth Observing 1 satellite. 

Small-scale map of flow field...
November 12, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i. 

Map showing flow field changes...
November 12, 2015

This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field.

Small-scale map of flow field...
October 23, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i.

Map showing flow field changes...
October 23, 2015

This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field. 

Landsat satellite image shows June 27th lava flow...
October 13, 2015

This satellite image was captured on Tuesday, October 13, 2015 by the Landsat 8 satellite. 

Map showing flow field changes...
September 30, 2015

This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field.

Small-scale map of flow field...
September 30, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i.

Large-scale map with thermal mosaic overlay...
September 11, 2015

This map overlays a georeferenced thermal image mosaic onto a map of the flow field to show the distribution of active and recently active breakouts.

Small-scale map of flow field...
September 11, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i. 

Satellite image shows June 27th lava flow...
September 2, 2015

This satellite image was captured on Wednesday, September 2, by the Advanced Land Imager instrument onboard NASA's Earth Observing 1 satellite.

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Lava flowing
July 4, 2018

Kīlauea Volcano — Lava Channel Bend

The lava channel from fissure 8 jumped its banks near Kapoho Crater where the channel makes a 90 degree bend. The flow within the channel was diverted around a constricted area and joined the channel again "downstream" to the south (left).

July 4, 2018

Kīlauea Volcano — Flows Near Kapoho Ag. and Beach Lots

Near the coast, the northern margin of the flow field is still oozing pasty lava at several points in the area of Kapoho Agricultural and Beach Lots.

View of a crater
July 3, 2018

Kīlauea Volcano — Sunrise at Halema`uma`u Crater

Inward slumping of Halema‘uma‘u continues in response to ongoing subsidence at Kīlauea Volcano's summit. This image, taken from a temporary observation post located at Volcano House, shows steep walls on the western side of the crater and sloping piles of rubble from rockfall events.

Lava flowing out of a fissure at night
July 3, 2018

Kīlauea Volcano — Fissure 8 Flow at Night

During the overnight hours, the UAS (Unoccupied Aircraft Systems) team flew sections of the lower East Rift Zone, monitoring fissure 8 activity and reports of small overflows from the lava channel. This view of fissure 8 and the upper lava channel shows roiling 

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Lava flowing from an active fissure
July 3, 2018

Kīlauea Volcano — Fissure 8 Lava Flow

Fissure 8 and the upper lava channel, viewed from the early morning helicopter overflight of the lower East Rift Zone. Recent heavy rains have soaked into the still-warm tephra and the moisture rises as steam (right side of lava channel).

Lava flowing
July 3, 2018

Kīlauea Volcano — Evolution of a Blocked Channel (Part 2)

Evolution of a blocked channel, image 2: While observing this area of the fissure 8 lava channel near Kapoho cone during the morning overflight, geologists witnesed an "apartment-building-sized" blockage within the channel give way and be pushed down stream by the pressurized lava behind. The dark portion within the red channel is the freed blockage. Lavacontinues to

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Geologist making observations of an active fissure
July 3, 2018

Kīlauea Volcano — Geologist Making Observations of Fissure 8

Fisheye lens photograph of a USGS geologist making observations of the 

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A blocked lava channel
July 3, 2018

Kīlauea Volcano — Evolution of a Blocked Channel (Part 1)

Evolution of a blocked channel, photo 1. A blockage of rafted material within the lava channel causes lava to flow over its banks near the Kapoho cone. In this section of the lava channel a cold lava flow from the 1960 eruption forms a barrier on the north side, which initially directed the channel to the southeast. A constriction in the channel formed at the bend where

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Aerial shot showing lava flowing into residential area
July 2, 2018

Kīlauea Volcano — Lava at Kapoho Beach Lots

At the coast, the northern margin of the flow field is still oozing pasty lava at several points in the area of Kapoho Beach Lots.

Close up of a lava overflow
July 2, 2018

Kīlauea Volcano — Overfows

Close up image of overflows from the fissure 8 lava channel. Photograph taken during the morning overflight.

Drone shot looking at brightly colored red and orange lava flows
July 2, 2018

Kīlauea Volcano — Drone Over Lava Channel

USGS Mavic Pro drone image of the fissure 8 lava channel looking toward the vent. Overflows can be seen as incandescent spots beyond the channel margins. Drone flights and resultant imagery help scientists

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Aerial view of an ocean entry with laze plumes
July 2, 2018

Kīlauea Volcano — Ocean Entry

The ocean entry being fed by a crusted over channel has fewer tiny ooze-out channels than yesterday spilling into the water. One larger ooze-out channel making dominant entry plume at the northern end of the broad ocean entry.

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CT scans and photographs of coral collected from reef near polluted groundwater seeps. One set shows more erosion than the other
November 27, 2017

Coral reefs already stressed by ocean acidification are particularly vulnerable to polluted groundwater, according to a recent study by USGS geologist Nancy Prouty and colleagues.

What do we call new land at Kīlauea Volcano's ocean entries?...
November 23, 2017

If you follow Kīlauea Volcano's ongoing East Rift Zone eruption, you are likely aware that when lava enters the ocean, it often forms new land. But what is this new land called?

Trained scent-detection dog and dog trainer at work in a taro field at Hanalei National Wildlife Refuge
November 22, 2017

Dogs have great olfactory abilities and wildlife biologists think they can help endangered waterbirds in Hawai‘i. Dogs are being trained to sniff out the endangered ducks (koloa maoli (Anas wyvilliana) and Laysan ducks (A. laysanensis)) that die of avian botulism. 

USGS
November 22, 2017

Changes at Pu‘u ‘Ō‘ō and views of the 61g flow

The surface crust on the summit lava lake has many different textur...
November 20, 2017

Typical lava lake activity at Kīlauea Volcano's summit

Drive along Saddle Road reveals outstanding volcanic geology...
November 16, 2017

Route 200, the Daniel K. Inouye Highway, crosses Humu‘ula Saddle, which separates Mauna Kea and Mauna Loa, the two largest volcanoes on the Island of Hawai‘i. This Saddle showcases outstanding volcanic geology and is easy to reach for "roadside geologists." 

Mauna Loa lava flows...
November 15, 2017

Lava flows, Pu‘u Pohaku‘ohanalei cone, Moku‘āweoweo's North Pit, Sulphur Cone area, and a video of Mauna Loa's summit caldera.

Roughly 500 meters (0.3 miles) north of the sea cliff, a new breako...
November 10, 2017

Ocean entry inactive; breakouts continue on delta and coastal plain

Amidst steam created by rain falling on the hot lava, another HVO g...
November 9, 2017

Scientists at the USGS Hawaiian Volcano Observatory routinely collect lava samples from Kīlauea and use the chemistry of these samples to infer the temperature of magma (molten rock below Earth's surface).