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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Kīlauea East Rift Zone Eruption Map...
September 22, 2011

Map showing the extent of lava flows erupted during Kīlauea's ongoing east rift zone eruption.

Kamoamoa Eruption...
March 9, 2011

Map showing the extent of the active flows of the Kamoamoa eruption, which started on March 5, 2011.

Image: July 2007 Eruption--Quarry flow near-view map: July 27, 2010
February 4, 2011

Map showing a close-up view of flow field expansion over the past few days.

July 2007 Eruption—Flow Field Map...
February 4, 2011

Map showing the extent of the "July 2007 eruption", or Episode 58, flow field relative to surrounding communities.

Halema‘uma‘u Vent Map...
February 1, 2010

Map showing the location of the Halemaʻumaʻu Overlook vent, and subsequent closures due to the eruption.

Aerial view of Pu‘u ‘Ō‘ō and vicinity...
November 1, 2009

Aerial view of Puʻu ʻŌʻō and surrounding features. 

Episode 56 Map (with Seismicity)...
June 20, 2007

Map shows activity from Episode 56.

Map of flows from Pu‘u ‘Ō‘ō: September 12, 2003...
September 12, 2003

Map shows lava flows erupted during 1983-present activity of Pu‘u ‘Ō‘ō and Kupaianaha. Red colors, both dark and light, denote Mother's Day flow, which began erupting on May 12, 2002 and continues to the present. The darkest color represents flows active since January 21, 2003.

Pu‘u ‘Ō‘ō cone and surroundings as of July 2000...
July 1, 2000

Pu‘u ‘Ō‘ō cone and surroundings as of July 2000, showing the area covered (mauve color) by lava since February 1997 during episode 55. Inside the crater of Pu‘u ‘Ō‘ō, the "trough" is the drained lava pond of September–October 1999. The central portion of the trough was briefly filled with lava in February 2000.

Pu‘u ‘Ō‘ō cone and surroundings as of March 2000...
March 1, 2000

Pu‘u ‘Ō‘ō cone and surroundings as of March 2000 showing the area covered (dark gray) by lava since February 1997 during episode 55. Inside the crater of Pu‘u ‘Ō‘ō, the "trough" is the drained lava pond of September–October 1999.

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Geologist pointing into the distance along a road with a straight roadway beside him.
June 24, 2018

Kīlauea Volcano — Roadway Crack Observations

USGS field crews track activity in and around Leilani Estates in Kīlauea Volcano's lower East Rift Zone. Observations are also collected on a daily basis from cracks in the area of Highway 130, shown here (no changes in temperature, crack width, or gas emissions have been noted recently).

Lava spattering from a cone
June 24, 2018

Kīlauea Volcano — Spatter Cone (Fissure 8)

The spatter cone at fissure 8 is now about 55 m (180 ft) tall. 

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Kīlauea fissure 8 lava channel transports "lava boats"...
June 23, 2018

Kīlauea fissure 8 lava channel transports "lava boats"

Geologists captured this time-lapse video of the perched lava channel issuing from fissure 8 on Kīlauea's lower East Rift Zone.

Rafts of accreted lava move down stream and look like boats moving down a river. These are termed lava balls or lava boats and form when portions of the fissure 8 cone or levees break away and are rafted down stream. As they move along

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Crater view
June 23, 2018

Kīlauea Volcano — Halema`uma`u Crater Collapse (June 23, 2018)

On June 23, 2018 at 4:32 p.m. HST after approximately 17 hours of elevated seismicity, a collapse explosion occurred at the summit if Kīlauea. The energy released by the

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Mauna Loa Back to Normal...
June 22, 2018

Mauna Loa Back to Normal

View of cinder cones in the Northeast Rift Zone near the summit of Mauna Loa. View to the north-northeast with Mauna Kea in the background. Mauna Loa has erupted 33 times since 1843, most recently erupting in 1975 and 1984. Photo credit: Matt Patrick, USGS

View of Halema`uma`u crater
June 22, 2018

Kīlauea Volcano — Halema‘uma‘u Crater

Halema'uma'u crater at 8:30 a.m., view is toward the south. Several benches are clearly visible within the crater. The benches are sections of the former crater rim and adjacent Kīlauea 

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Aerial of lava channel
June 22, 2018

Kīlauea Volcano — Fissure 8 Lava Channel

Early morning view of the open lava channelbeginning about 5 km (3.1 miles) from Fissure 8. The channel bends 90 degrees to the south (right) on the far side of

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View of the crater
June 21, 2018

Kīlauea Volcano — Halema‘uma‘u Crater Continues Enlarging

The USGS UAS (unoccupied aircraft system) team took this photograph of Halema‘uma‘u Crater from the Kīlauea Overlook on this morning. They are preparing for a flight to map further subsidence at the summit.

June 21, 2018

USGS Status Update of Kīlauea Volcano - June 21, 2018

USGS Hawaiian Volcano Observatory, Status of Kīlauea Volcano, 10:00 a.m. HST, June 21, 2018. Liz Westby, USGS Geologist

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Thermal Cameras Keep a Cool Eye on Hot Lava...
August 10, 2017

Thermal cameras have been used by volcanologists around the world for many years to study volcanic processes and search for signs of impending eruptions.

While mapping the flow margins, HVO geologists found an opening int...
August 9, 2017

Activity continues on the 61g flow field and at the ocean entry

Time-lapse sequence shows Halema‘uma‘u gas plume...
August 7, 2017

Time-lapse sequence shows Halema‘uma‘u gas plume

Lava cascades out of perched lava channel into lower channel, Pu‘u ...
August 3, 2017

Kīlauea has now passed the one-year anniversary of the episode 61g lava flow reaching the Pacific Ocean. But what was this busy volcano up to a decade ago?

On the coastal plain, the front of the June 26 breakout was stalled...
July 31, 2017

Kamokuna lava delta subsidence continues

Summit lava lake level continues dropping...
July 29, 2017

Summit lava lake level continues dropping

HVO geologists captured this image of a Koa‘e kea (white-tailed tro...
July 28, 2017

Time-lapse sequence of lava delta subsidence at ocean entry

Largest Hawaiian earthquake in a decade reminds us to be prepared...
July 27, 2017

On June 8, 2017, many Island of Hawai‘i residents were awakened by a sharp jolt just past 7 a.m. This natural wake-up call was caused by a magnitude-5.3 earthquake, the largest to strike Hawaii in over a decade.

Weak, scattered breakouts on the coastal plain...
July 25, 2017

Weak, scattered breakouts on the coastal plain

Kīlauea Volcano's Kamokuna ocean entry reaches its one-year anniver...
July 20, 2017

July 26th marks the one-year anniversary of Kīlauea Volcano's episode 61g lava flow reaching the sea. And at this time, there's no indication that the Kamokuna ocean entry will soon end.