Unified Interior Regions

Hawaii

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Map of area around front of Kīlauea's East Rift Zone lava flow...
January 19, 2015

This large-scale map uses a satellite image acquired in March 2014 (provided by Digital Globe) as a base to show the area around the front of Kīlauea’s active East Rift Zone lava flow. 

Large-scale map of Kīlauea's East Rift Zone lava flow...
January 13, 2015

This large-scale map shows the distal part of Kīlauea’s active East Rift Zone lava flow in relation to nearby Puna communities. 

Satellite image of area around front of Kīlauea's East Rift Zone la...
January 13, 2015

This large-scale map uses a satellite image acquired in March 2014 (provided by Digital Globe) as a base to show the area around the front of Kīlauea’s active East Rift Zone lava flow.

Large-scale map of Kīlauea's East Rift Zone lava flow...
January 9, 2015

This large-scale map shows the distal part of Kīlauea’s active East Rift Zone lava flow in relation to nearby Puna communities. 

Satellite image of area around front of Kīlauea's East Rift Zone la...
January 9, 2015

This large-scale map uses a satellite image acquired in March 2014 (provided by Digital Globe) as a base to show the area around the front of Kīlauea’s active East Rift Zone lava flow. 

Small-scale map of Kīlauea's East Rift Zone lava flow...
January 6, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to lower Puna. 

Large-scale map of Kīlauea's East Rift Zone lava flow...
January 6, 2015

This large-scale map shows the distal part of Kīlauea’s active East Rift Zone lava flow in relation to nearby Puna communities. 

Satellite image of area around front of Kīlauea's East Rift Zone la...
January 6, 2015

This large-scale map uses a satellite image acquired in March 2014 (provided by Digital Globe) as a base to show the area around the front of Kīlauea’s active East Rift Zone lava flow.

Thermal overlay of distal part of flow field...
January 6, 2015

This map overlays a georegistered mosaic of thermal images collected during a helicopter overflight of the distal part of Kīlauea’s active East Rift Zone lava flow on January 6 at about 11:30 AM. 

Satellite image of area around front of Kīlauea's East Rift Zone la...
January 4, 2015

Image showing a close-up of the June 27th lava flow in the area of Kaohe Homesteads and Pāhoa. 

Episode 61 (Peace Day) flow field...
October 29, 2012

Map showing the extent of lava flows erupted during Kīlauea’s ongoing east rift zone eruption and labeled with the years in which they were active.

Episode 61 (Peace Day) flow field...
October 10, 2012

Map showing the extent of lava flows erupted during Kīlauea's ongoing east rift zone eruption and labeled with the years in which they were active.

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Aerial view of fissure 6
June 18, 2018

Kīlauea Volcano — Fissure 6

Fissure 6 (photo center) showed signs of activity overnight, producing small amounts of spatter and feeding short lava flows. Fissure 6 is located about 2.2 km (1.4 mi) downrift from Fissure 8.

Kīlauea Volcano's lower East Rift Zone...
June 18, 2018

Kīlauea's LERZ

Fissure 8 lava flows in an open channel all the way to the ocean. Kapoho Crater is the vegetated hill on the right side of the photograph. Ocean entry plume seen in the distance.

June 18, 2018

USGS Status Update of Kīlauea Volcano - June 18, 2018

USGS Hawaiian Volcano Observatory, Status of Kīlauea Volcano, 10:00 a.m. HST, June 18, 2018, Liz Westby - USGS Geologist

Kīlauea lower East Rift Zone lava flows and fissures, June 18, 9:00...
June 18, 2018

Kīlauea LERZ lava flows and fissures, June 18, 9:00 a.m.

Map as of 9:00 a.m. HST, June 18, 2018. Given the dynamic nature of Kīlauea's lower East Rift Zone eruption, with changing vent locations, fissures starting and stopping, and varying rates of lava effusion, map details shown here are accurate as of the date/time noted. Shaded purple areas indicate lava flows erupted in 1840, 1955, 1960, and 2014-2015.

Crater slumping with cracks
June 18, 2018

Kīlauea Volcano — Halema‘uma‘u Crater Slumping

An overflight of Kīlauea's summit on June 18 showed the continued dramatic slumping and collapse of the Halema‘uma‘u crater area. This photo shows the area north-northwest of Halema‘uma‘u near a GPS station, North Pit. This station has subsided about 60 m (197 ft) in the past week. 

Geologist test temperature reading of a fissure crack
June 18, 2018

Kīlauea Volcano — Thermal Camera Measurement

An HVO geologist uses a thermal camera to measure the temperature (about

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Looking at a crater with steam rising from cracks
June 18, 2018

Kīlauea Volcano — Halema`uma`u Crater

North side of the growing Halema‘uma‘u crater, marked by large cracks and large blocks that have slumped into the crater.

June 18, 2018

Kīlauea Volcano — Weak Plume at Halem`uma`u (webcam)

On June 18, 2018, at 6:13 AM, a seismic event occurred at Halema‘uma‘u that produced a relatively ash-poor gas 

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animated gif of radar images showing slumping at the crater over time
June 18, 2018

Kīlauea Volcano — Satellite Radar (Continued Slumping)

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 fountaining at night time.
June 18, 2018

Kīlauea Volcano —

Fissure 8 lava fountains obscured by a longer exposure photograph taken early morning on June 18. The incandescent spots along a horizontal line mark the edge of the 

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Filter Total Items: 1,747
Tracking the latest moves of Kīlauea and Mauna Loa...
June 1, 2017

On the Island of Hawai‘i, deformation is measured primarily with three techniques: tiltmeters, GPS (Global Positioning System), and InSAR (Interferometric Synthetic Aperture Radar).

This video clip shows HVO geologist Tim Orr sampling lava from an a...
May 31, 2017

Hawaiian Volcano Observatory and Jaggar Museum

Numerous fumaroles are present near the rim of Halema‘uma‘u Crater,...
May 28, 2017

Spattering on summit lava lake and Pele's hair around Halema‘uma‘u

A close up of one of the typical pāhoehoe toes. ...
May 27, 2017

Sluggish breakouts near the base of the pali

Volcanoes, Landslides, and Angry Gods—A Pacific Northwest Connectio...
May 25, 2017

Both volcanoes and landslides are important for landscape evolution in Hawaii and worldwide. In Washington State, an old legend makes the connection between them.

The March 5 breakout of the 61g flow is producing active surface fl...
May 23, 2017

61g flow is active at the Kamokuna ocean entry and at the base of the pali

Side-by-side comparison of the northwest wall of Kīlauea Caldera on a clear day (left) and a day with thick vog (right).
May 18, 2017

Just like smog and fog, this EarthWord is not what you want to see while driving...

HVO's website makeover is more than skin deep...
May 18, 2017

A new structure allows for a more efficient and consistent website, with simplified maintenance that leads to fewer broken links.

 

A geologist remembers the Mount St. Helens eruption 37 years ago...
May 11, 2017

This week's Volcano Watch was written by USGS Hawaiian Volcano Observatory geologist Don Swanson, who worked on Mount St. Helens before and after the 1980 eruption.

A clear day provided a stunning view of Mauna Loa's summit...
May 9, 2017

USGS scientists hiked to the summit of Mauna Loa, where they checked on HVO's monitoring instruments and realigned an antenna that allows webcam images of the volcano's summit caldera (shown in this panoramic image) to be posted on the HVO website.

A telephoto lens provided a close-up view of the seaward edge of th...
May 7, 2017

Lava delta at Kamokuna ocean entry is rebuilding

Within five minutes, between 9:55 and 10:00 a.m. HST, nearly the en...
May 4, 2017

Kamokuna lava delta: collapse on May 3 and how it looked today