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.

States L2 Landing Page Tabs

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Map of flow field...
September 21, 2017

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

Thermal map of flow field...
September 1, 2017

Thermal map over the Episode 61g lava flow.

Map of flow field...
September 1, 2017

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

Map of flow field...
August 20, 2017

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

Map of flow field...
August 9, 2017

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

Thermal map of flow field...
August 9, 2017

This map is similar to the map above but shows a thermal map over the Episode 61g lava flow. 

Satellite image shows location of breakouts on flow field...
July 30, 2017

This satellite image was captured on Sunday, July 30, by the NASA/USGS Landsat 8 satellite. 

Map of flow field...
July 10, 2017

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

Map of flow field...
June 21, 2017

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

Satellite image shows location of breakouts on flow field...
June 2, 2017

This satellite image was captured on Friday, June 2, by the Sentinel-2 satellite operated by the European Space Agency.

Map of flow field...
May 31, 2017

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

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.

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January 4, 2021

Image of the Week - Fires Tear Through Former Cane Fields

The waves of sugar cane that once defined the Hawaiian island landscape of Maui, have slowly given way to non-native annual grasses in recent decades. Those grasses have become a fire hazard along the way.

The closure of central Maui's last large cane mill in 2016 opened up some 36,000 acres for new growth. Some of those acres burned in 2019 during one of the island

Color photographs of lava lake
January 3, 2021

Channel crusting over at the base Halema'uma'u's west vent

The west vent in Halema‘uma‘u crater continues to erupt at Kīlauea’s summit. These telephoto images from December 29 (left) and December 30 (right) compare the lava lake surface below the west vent. The west vent is supplying lava to the lake through a crusted over channel, which was starting to form by December 30. USGS photos by H. Dietterich.

Color photograph of volcanic vent spattering
January 3, 2021

Kīlauea summit eruption - Jan. 3, 2020, at 1:30 a.m. HST

Early this morning, the west vents in Halema‘uma‘u spattered from two places at the top of a small cone plastered on the northwest wall. This process can be seen in Kīlauea Volcano's summit F1 thermal webcam view of the lava lake. USGS photo by H.

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Color photograph of volcanic vent spattering and lava lake
January 3, 2021

Kīlauea summit eruption - Jan. 3, 2020, at 1:30 a.m. HST

At Halema‘uma‘u, the west vents (visible in the foreground of this photo as two glowing holes on a cone-shaped feature) erupt occaisional spatter. Lava is also emerging in a small dome fountain above the lake crust in front of the west vents, probably from a submerged portion of the vent (visible in the background of this photo as a bright spot with lava crust boundaries

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January 3, 2021

Dome Fountain Formed at Lava Lake Inlet, Halema'uma'u (Jan 2-3, 2020)

Lava forms a “dome fountain” at the inlet to the lava lake in Halema'uma'u crater January 2-3, 2021. Lava from the western vent cascades beneath roofed vertical channels to enter the lava lake at an inlet that has become partially submerged. The result is a rolling upwelling of lava near the inlet called a “dome fountain.”

Dome fountains have been observed during

January 2, 2021

Lava Entering Lava Lake in Halem'uma'u (Dec 31, 2020 - Jan 2, 2021)

These videos show an increase in the surface activity where lava is entering the lake. 

  • Clip 1: Lava from Halema‘uma‘u west vents entering the lava lake on December 31, 2020, at approximately 10 a.m. HST.
  • Clip 2: Lava from Halema‘uma‘u west vents entering the lava lake on January 2, 2021, at approximately 11 p.m. HST.

Kīlauea Volcano, U.S

Color photograph of lava lake and volcanic vent
January 2, 2021

Kīlauea summit eruption - Jan. 2, 2021, at 7 a.m. HST

View of the west vent area and lava lake in Halema‘uma‘u, at Kīlauea Volcano's summit. USGS photo by K. Lynn.

Color photograph of lava lake and volcanic vent
January 2, 2021

Kīlauea summit eruption - Jan. 2, 2021, at 7:30 a.m. HST

Telephoto photograph of the west vent area and lava lake in Halema‘uma‘u, at Kīlauea Volcano's summit. USGS photo by K. Lynn.

Color photograph of lava lake
January 1, 2021

Kīlauea summit eruption - Jan. 1, 2021 at 6:30 a.m. HST

The KW webcam captured this image of Kīlauea's ongoing summit eruption, which continued overnight. The KW webcam looks in an east direction; north is to the left in the photo, south to the right, west to the bottom, and east to the top. This photo, taken at 6:30 a.m. HST on January 1, 2021, shows that the west vent (bottom of photo) remains active. You can view live KW

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January 1, 2021

Eruption and Lava Lake in Halema'uma'u (Jan 1, 2021)

Videos of the eruption and lava lake in Halema‘uma‘u on January 1, 2021.

  • Clip 1: Halema‘uma‘u west vents and lava entering the lava lake at approximately 5:30 p.m. HST.
  • Clip 2: Telephoto view of lava from Halema‘uma‘u west vents entering the lava lake at approximately 5 p.m. HST.
  • Clip 3: The lava lake overflows onto a lower edge along the
Color photograph of lava lake
January 1, 2021

Halema‘uma‘u lava lake beginning to perch

Over the past week, the lava lake in Halema‘uma‘u has developed a subtle levee around its perimeter that allows the lake to be slightly perched above its base, like a mesa. The levees grow from repeated small overflows, and the rafting and piling of pieces of surface crust that fuse together into a barrier that impounds the fluid lake. This is called a "perched" lava lake

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Color photograph of lava lake surface
January 1, 2021

Kīlauea eruption in Halema‘uma‘u on Jan. 1, 2021

Kīlauea eruption in Halema‘uma‘u on Jan. 1, 2021. The channel-like feature remains visible on the lava lake surface within Halemaʻumaʻu crater at Kīlauea Volcano's summit. This feature originates from the influx of lava from the western fissure. USGS photo by M. Patrick. 

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Interferogram for the period from April 6 to June 2, 2019
June 20, 2019

Since the early 1990s, scientists have used radar satellites to map movement, or deformation, of Earth’s surface. Interferometric Synthetic Aperture Radar (InSAR) calculates the difference between two radar images acquired by an orbiting satellite taken at different times but looking at the same place on Earth.

Screenshot of a seismic webicorder from the USGS Hawaiian Volcano Observatory
June 13, 2019

The USGS Hawaiian Volcano Observatory (HVO), along with its partners at NOAA's Pacific Tsunami Warning Center (PTWC) and the National Strong-Motion Project (NSMP), operates a network of seismic monitoring stations on the Island of Hawai‘i and throughout the state.

USGS
June 10, 2019

A summary chronology and interesting facts about Kīlauea Volcano's 2018 lower East Rift Zone eruption and summit collapse.

routine inspection of a UAS system prior to a flight
June 6, 2019

The Hawaiian Volcano Observatory (HVO) is no rookie when it comes to using flight to assist with monitoring Hawaiian volcanoes. Helicopters and fixed-wing aircraft have transported HVO volcanologists for decades, giving them access for visual and thermal observations, equipment maintenance, and other geophysical and geochemical measurements.

Kīlauea that will be covered by a helicopter lidar survey in June 2019
May 30, 2019

Since the end of 2018's volcanic activity, USGS Hawaiian Volcano Observatory scientists have wanted to resurvey Kīlauea Volcano's ground surface to document changes brought about by the Puna eruption and summit collapse. Doing so would allow us to more accurately answer questions about the total volumes of erupted lava and summit subsidence that occurred last summer. 

lava fountain
May 23, 2019

May 24, 2019, is a notable date in Kīlauea Volcano's history. It is the one-year anniversary of several key events in the 2018 Kīlauea eruption, most notably, the reactivation of fissure 8 with intermittent spattering while fissures 7 and 21 were producing two ‘a‘ā flows.

USGS
May 22, 2019

This GIS dataset shows the evolution of the "June 27th" lava flow (episode 61e of the Pu‘u ‘Ō‘ō eruption) that was active from June 27, 2014, to June 8, 2016.

Students from the Teaching Through Technology (T3) Alliance
May 16, 2019

During the 2018 eruption of Kīlauea Volcano, when fissures erupted and lava flowed in the lower East Rift Zone (LERZ), many Puna residents were displaced from their homes. We, as a community, watched from the sidelines as the eruption went on, helpless in averting the course of nature.

Ash rises above Halema‘uma‘u within Kīlauea's summit caldera
May 9, 2019

A year ago, USGS Hawaiian Volcano Observatory scientists and Island of Hawai‘i residents were in the throes of an historically unprecedented series of events for Kīlauea.

11:47 a.m. HST. Scientist measures the surface temperature of a cra...
May 8, 2019

The team at the U.S. Geological Survey Hawaiian Volcano Observatory is one of several finalists nominated for the 2019 Service to America Medals.

A long skinny core section of mud with a sandy layer in the middle of it lays on the marsh grass near where the core was taken.
May 3, 2019

In a comprehensive survey of Hawaiian tsunami deposits, USGS scientists from the USGS Pacific Coastal and Marine Science Center and collaborators found evidence for a widespread tsunami striking the islands between 1250 and 1450 CE.

field crews of Hawaiian Volcano Observatory
May 2, 2019

With the one-year anniversary of the onset of Kīlauea Volcano's 2018 lower East Rift Zone eruption upon us, USGS Hawaiian Volcano Observatory (HVO) staff, like many Hawai‘i residents, are reflecting on this historic event.