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Small-scale map of flow field...
May 3, 2017

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

Map of flow field...
May 3, 2017

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

Map of flow field...
April 10, 2017

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

Map of flow field...
March 30, 2017

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

Map of flow field...
March 16, 2017

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

Satellite image shows continued breakouts on flow field...
March 10, 2017

This satellite image was captured on Wednesday, March 8, by the NASA/USGS Landsat 8 satellite.

Map of flow field...
February 24, 2017

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

Map of flow field...
February 16, 2017

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

The area of the active flow field as of January 12 is shown in pink, while widening and advancement of the active flow as of Feb
February 16, 2017

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

Map of flow field...
January 12, 2017

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

Kamokuna ocean entry map...
January 3, 2017

This map shows the coastline at the Kamokuna lava entry on Kīlauea Volcano, with labels denoting areas impacted by the large, progressive lava-delta collapse on December 31, 2016. 

Digital Elevation Model in the Atchafalaya Basin, LA
April 19, 2016

The 3DEP products and services available through The National Map consist of standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.

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View of the summit with dust rising from a small rockfall
June 30, 2018

Kīlauea Volcano — Summit Rockfalls

View of Kīlauea Volcano's summit. The brown visible dust coming from Halema‘uma‘u is from rockfalls.

Animation showing changes in summit size on a map
June 30, 2018

Kīlauea Volcano — Animation of Summit Drop

This animated GIF shows a sequence of radar amplitude images that were acquired by the Agenzia Spaziale Italiana CosmoSkyMed satellite system. The images illustrate changes to the 

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Lava channels coming from a distant fissure
June 30, 2018

Kīlauea Volcano — Lava Channels from Fissure 8

Lava from fissure 8 is fed into a channel that travels about 13 km (8 mi) to the sea. A 

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A geologist stands in a field with a video camera recording a fissure eruption in the distance.
June 30, 2018

Kīlauea Volcano — Video Data of Fissure 8

Hawaiian Volcano Observatory geologist Matt Patrick acquires video of fissure 8 and the lava channel from Pohoiki Road/Highway 132. The video is used to document fountain behavior and lava flow characteristics, and how they change with time.

Ocean entries from lava flows
June 30, 2018

Kīlauea Volcano — Ocean Entry at Kapoho

Lava was entering the ocean over a broad area this morning. This image shows an active entry area along the northern flow front at Kapoho. View to the south.

Ocean entry of lava forming laze plumes
June 29, 2018

Kīlauea Volcano — Laze Plumes

During the June 29 overflight, USGS scientists observed multiple active spots along the Kapoho ocean entry producing laze plumes.

Fissure with lava channels and plumes rising into the sky
June 29, 2018

Kīlauea Volcano — Fissure 8

Fissure 8 and the proximal lava flow channel on the morning of June 29. Low fountaining within the cone is still producing a vigorous supply of lava to the channel.

Lava channel
June 29, 2018

Kīlauea Volcano — Braided Lava Channel

One portion of the braided section of the fissure 8 lava channel.

June 29, 2018

Kīlauea Volcano — Fissure 8 Aerial

The USGS Unoccupied Aircraft Systems (UAS) team conducted a flight on Kīlauea Volcano's lower East Rift Zone to collect video in the upper lava channel of 

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Aerial map showing areas of deformation in Kilauea Volcano caldera
June 29, 2018

Kīlauea Volcano — Cracks and Deformation Map

High-resolution satellite data are useful for mapping cracks and 

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Ocean entry
June 28, 2018

Kīlauea Volcano — Ocean Entry

View of the ocean entry (lower left) from this morning's overflight. Lava was entering the ocean across a broad area primarily on the north part of the lava delta. Upslope along the northern margin of the flow field, lava is still oozing from several points in the area of Kapoho Beach Lots. Fissure 8 

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Lava flowing into residential area
June 28, 2018

Kīlauea Volcano — Fresh Lava at Kapoho Beach Lots

Near the coast, the northern margin of the lava flow field is still oozing fresh lava at several points in the area of Kapoho Beach Lots. Smoke marks locations where lava is burning vegetation.

Filter Total Items: 1,428
January is Volcano Awareness Month on the Island of Hawai‘i ...
December 7, 2017

January 2018 is Hawai‘i Island's 9th annual Volcano Awareness Month. 

New camera shows snowfall on summit...
December 3, 2017

A new HVO webcam provides improved views of Mauna Loa's summit caldera, Moku‘āweoweo, from the northwest rim. 

Did aerial bombing stop the 1935 Mauna Loa lava flow?...
November 30, 2017

A widely-held belief is that Thomas Jaggar, founder of the Hawaiian Volcano Observatory, was able to stop a Mauna Loa lava flow in 1935. But is it true?

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. 

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.

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).

Threat Rankings of our Nation's geologically young volcanoes...
November 2, 2017

What exactly do volcano threat rankings mean?

USGS maps identify lava inundation zones for Mauna Loa...
October 26, 2017

Using detailed geologic mapping and modeling of how a fluid (in this case, lava) responds to surface topography, USGS-HVO constructed nine maps depicting 18 inundation zones on Mauna Loa. Each zone identifies a segment of the volcano that could erupt lava and send flows downslope. 

New USGS video about Kīlauea Volcano's summit eruption is now onlin...
October 19, 2017

The U.S. Geological Survey has produced a documentary, "Kīlauea Summit Eruption–Lava Returns to Halema‘uma‘u," to tell the story of the eruption, and to share imagery of the inaccessible lava lake with the public.