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Kīlauea images of eruptive activity, field work, and more.

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Color photograph of cliff covered with slumping volcanic deposits
December 19, 2025 — Aerial view of Kīlauea tephra hill
December 19, 2025 — Aerial view of Kīlauea tephra hill
December 19, 2025 — Aerial view of Kīlauea tephra hill

Aerial photo showing the tephra hill on the western margin of Kaluapele (Kīlauea caldera), which has grown over the past year of 38 lava fountaining episodes within Halema‘uma‘u. The arcuate scarps are from landslides of tephra that have fallen back into the caldera near the north and south vents that have erupted all the material making up the tephra hill.

Aerial photo showing the tephra hill on the western margin of Kaluapele (Kīlauea caldera), which has grown over the past year of 38 lava fountaining episodes within Halema‘uma‘u. The arcuate scarps are from landslides of tephra that have fallen back into the caldera near the north and south vents that have erupted all the material making up the tephra hill.

Color map of eruption area
December 11, 2025—Kīlauea summit eruption reference map
December 11, 2025—Kīlauea summit eruption reference map
December 11, 2025—Kīlauea summit eruption reference map

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on December 11, 2025, the eruption has had thirty-eight episodes, with the most recent occurring on December 6.

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on December 11, 2025, the eruption has had thirty-eight episodes, with the most recent occurring on December 6.

Color photograph of scientist collecting data from a monitoring station on the floor of a caldera
December 9, 2025 — Collecting GPS data from Kīlauea caldera floor
December 9, 2025 — Collecting GPS data from Kīlauea caldera floor
December 9, 2025 — Collecting GPS data from Kīlauea caldera floor

A USGS Hawaiian Volcano Observatory scientist services a GPS station on the floor of Kaluapele (Kīlauea summit caldera). These instruments help measure ground deformation and track pressure changes in the summit magma reservoir. USGS photo by C. Sealing.

A USGS Hawaiian Volcano Observatory scientist services a GPS station on the floor of Kaluapele (Kīlauea summit caldera). These instruments help measure ground deformation and track pressure changes in the summit magma reservoir. USGS photo by C. Sealing.

Color photograph of scientist on lava flow
December 9, 2025 — Sampling episode 38 at the summit of Kīlauea
December 9, 2025 — Sampling episode 38 at the summit of Kīlauea
December 9, 2025 — Sampling episode 38 at the summit of Kīlauea

A USGS Hawaiian Volcano Observatory geologist collects clinker from a rubbly spatter-fed lava flow in Halema‘uma‘u crater produced during episode 38 lava fountaining. These lava samples are collected with permission from Hawaiʻi Volcanoes National Park and analyzed in the lab to better understand the magmatic system of Kīlauea.

A USGS Hawaiian Volcano Observatory geologist collects clinker from a rubbly spatter-fed lava flow in Halema‘uma‘u crater produced during episode 38 lava fountaining. These lava samples are collected with permission from Hawaiʻi Volcanoes National Park and analyzed in the lab to better understand the magmatic system of Kīlauea.

Color map showing area affected by lava fountain fallout during eruption
December 9, 2025 — Kīlauea lava flow and tephra fall map following episode 38
December 9, 2025 — Kīlauea lava flow and tephra fall map following episode 38
December 9, 2025 — Kīlauea lava flow and tephra fall map following episode 38

This map shows lava flow and tephra accumulation at the summit of Kīlauea volcano associated with episode 38 of the ongoing eruption in Halemaʻumaʻu that started on December 23, 2024, using data recorded by the Italian Space Agency's (ASI) COSMO-SkyMed Second Generation satellite constellation.

This map shows lava flow and tephra accumulation at the summit of Kīlauea volcano associated with episode 38 of the ongoing eruption in Halemaʻumaʻu that started on December 23, 2024, using data recorded by the Italian Space Agency's (ASI) COSMO-SkyMed Second Generation satellite constellation.

Color photograph of volcanic landscape
December 9, 2025—Aerial overview of Halemaʻumaʻu crater, Kīlauea volcano summit
December 9, 2025—Aerial overview of Halemaʻumaʻu crater, Kīlauea volcano summit
December 9, 2025—Aerial overview of Halemaʻumaʻu crater, Kīlauea volcano summit

On December 9, USGS-Hawaiian Volcano Observatory geologists conducted an aerial overflight of Kīlauea summit region, following lava fountaining episode 38 of the Halemaʻumaʻu eruption on December 6. In this photo, the line on the ground in the lower left portion of the image shows the extent of tephra deposits created during episode 38.

On December 9, USGS-Hawaiian Volcano Observatory geologists conducted an aerial overflight of Kīlauea summit region, following lava fountaining episode 38 of the Halemaʻumaʻu eruption on December 6. In this photo, the line on the ground in the lower left portion of the image shows the extent of tephra deposits created during episode 38.

Color photograph of volcanic eruption area
December 9, 2025 — Kīlauea summit overflight following episode 38 lava fountaining
December 9, 2025 — Kīlauea summit overflight following episode 38 lava fountaining
December 9, 2025 — Kīlauea summit overflight following episode 38 lava fountaining

On Tuesday, December 9, USGS-Hawaiian Volcano Observatory geologists conducted a helicopter overflight of Kīlauea summit to survey changes from episode 38 lava fountaining a few days earlier. Scientists collected visual images for photogrammetry, thermal images, and collected lava samples from the caldera floor.

On Tuesday, December 9, USGS-Hawaiian Volcano Observatory geologists conducted a helicopter overflight of Kīlauea summit to survey changes from episode 38 lava fountaining a few days earlier. Scientists collected visual images for photogrammetry, thermal images, and collected lava samples from the caldera floor.

Color photograph of incandescent lava particles falling to the ground
December 6, 2025—V3cam destroyed by lava fountain
December 6, 2025—V3cam destroyed by lava fountain
December 6, 2025—V3cam destroyed by lava fountain

The V3 camera was located on the south rim of Halema‘uma‘u crater at the summit of Kīlauea volcano on the Island of Hawai‘i. The camera, located in a hazardous closed area of Hawai‘i Volcanoes National Park, was buried by tephra from an inclined lava fountain between 9:55 and 9:57 am HST on December 6, during episode 38 that began this morning at 8:45 am.

The V3 camera was located on the south rim of Halema‘uma‘u crater at the summit of Kīlauea volcano on the Island of Hawai‘i. The camera, located in a hazardous closed area of Hawai‘i Volcanoes National Park, was buried by tephra from an inclined lava fountain between 9:55 and 9:57 am HST on December 6, during episode 38 that began this morning at 8:45 am.

Color photograph of lava fountaining
December 6, 2025 — Episode 38 of lava fountaining at Kīlauea summit
December 6, 2025 — Episode 38 of lava fountaining at Kīlauea summit
December 6, 2025 — Episode 38 of lava fountaining at Kīlauea summit

Moments before the USGS Hawaiian Volcano Observatory livestreaming V3cam was destroyed by falling tephra in episode 38 on December 6 ,2025, the V2cam captured the arc of lava erupting from the south vent.  While the maximum fountain height of 384 meters (1260 feet) was on par with prior episodes, the fountaining erupted laterally by 600 meters (1970 feet); easi

Moments before the USGS Hawaiian Volcano Observatory livestreaming V3cam was destroyed by falling tephra in episode 38 on December 6 ,2025, the V2cam captured the arc of lava erupting from the south vent.  While the maximum fountain height of 384 meters (1260 feet) was on par with prior episodes, the fountaining erupted laterally by 600 meters (1970 feet); easi

Color photograph of lava fountain and fallout
December 6, 2025—Halemaʻumaʻu crater aerial overview
December 6, 2025—Halemaʻumaʻu crater aerial overview
December 6, 2025—Halemaʻumaʻu crater aerial overview

During Kīlauea summit eruption episode 38 on December 6, "tephra-nadoes" made a return, as seen to the left of the lava fountain in this photo. Swirling winds in the tephra fallout plume led to this short-lived twister, spotted by a field crew on the southern rim of Halemaʻumaʻu crater.

During Kīlauea summit eruption episode 38 on December 6, "tephra-nadoes" made a return, as seen to the left of the lava fountain in this photo. Swirling winds in the tephra fallout plume led to this short-lived twister, spotted by a field crew on the southern rim of Halemaʻumaʻu crater.

Color photograph of a volcanic plume rising above a highway
December 6, 2025—Halemaʻumaʻu eruption episode 38 plume
December 6, 2025—Halemaʻumaʻu eruption episode 38 plume
December 6, 2025—Halemaʻumaʻu eruption episode 38 plume

An eruptive plume rises from the summit of Kīlauea volcano, visible from Highway 11 near Volcano Village on the Island of Hawaiʻi. This plume was generated during episode 38 of lava fountaining within Halemaʻumaʻu crater, which took place on December 6, 2025. USGS photo by K. Mulliken. 

An eruptive plume rises from the summit of Kīlauea volcano, visible from Highway 11 near Volcano Village on the Island of Hawaiʻi. This plume was generated during episode 38 of lava fountaining within Halemaʻumaʻu crater, which took place on December 6, 2025. USGS photo by K. Mulliken. 

Color photograph of volcanic plume
December 6, 2025—Tephra falls from the episode 38 eruptive plume in Halemaʻumaʻu
December 6, 2025—Tephra falls from the episode 38 eruptive plume in Halemaʻumaʻu
December 6, 2025—Tephra falls from the episode 38 eruptive plume in Halemaʻumaʻu

This telephoto view shows the darker-colored, cooler tephra particles erupted by the episode 38 lava fountains falling from the eruptive plume. USGS photo by K. Mulliken. 

Color photograph of scientists walking on a closed road with volcanic eruption in the distance
December 6, 2025—Monitoring eruption episode 38 in Halemaʻumaʻu crater
December 6, 2025—Monitoring eruption episode 38 in Halemaʻumaʻu crater
December 6, 2025—Monitoring eruption episode 38 in Halemaʻumaʻu crater

In the late morning of December 6, a crew of USGS Hawaiian Volcano Observatory scientists walked to the southern rim of Halemaʻumaʻu to watch Kīlauea summit eruption episode 38. Along the way they had dramatic views of the eruptive plume, which reached an altitude of over 20,000 feet (6,000 meters) above sea level during this episode. USGS photo by M.

In the late morning of December 6, a crew of USGS Hawaiian Volcano Observatory scientists walked to the southern rim of Halemaʻumaʻu to watch Kīlauea summit eruption episode 38. Along the way they had dramatic views of the eruptive plume, which reached an altitude of over 20,000 feet (6,000 meters) above sea level during this episode. USGS photo by M.

Color photograph of lava fountain with tree in foreground
December 6, 2025—View of episode 38 in Halemaʻumaʻu crater, Kīlauea summit, with ‘ōhi‘a lehua
December 6, 2025—View of episode 38 in Halemaʻumaʻu crater, Kīlauea summit, with ‘ōhi‘a lehua
December 6, 2025—View of episode 38 in Halemaʻumaʻu crater, Kīlauea summit, with ‘ōhi‘a lehua

Views of Kīlauea summit eruption lava fountaining episode 38 in Halema‘uma‘u crater on the Island of Hawai‘i, with ‘ōhi‘a lehua in the foreground. USGS photo by K. Mulliken.

Color photograph of lava fountaining and road
December 6, 2025—Lava fountains in Halemaʻumaʻu crater during episode 38
December 6, 2025—Lava fountains in Halemaʻumaʻu crater during episode 38
December 6, 2025—Lava fountains in Halemaʻumaʻu crater during episode 38

A USGS Hawaiian Volcano Observatory field crew captured this photo of Kīlauea summit eruption episode 38 from the southern rim of Halemaʻumaʻu just after noon on December 6. This was shortly after the north vent shut down, so only south vent lava fountains were ongoing, measured to reach 920 feet (280 meters) in height at the time. USGS photo by M.

A USGS Hawaiian Volcano Observatory field crew captured this photo of Kīlauea summit eruption episode 38 from the southern rim of Halemaʻumaʻu just after noon on December 6. This was shortly after the north vent shut down, so only south vent lava fountains were ongoing, measured to reach 920 feet (280 meters) in height at the time. USGS photo by M.

Color figure showcasing data for a growing landform, and photos of the monitoring efforts
Tracking the growth of a new puʻu at Kīlauea
Tracking the growth of a new puʻu at Kīlauea
Tracking the growth of a new puʻu at Kīlauea

Top left photo: An HVO scientist stands next to a garden stake with 20-cm (8-in) intervals marked in blue, next to an old road sign that had been progressively buried by tephra during episodes 1-21; this photo was taken May 15. The next day, episode 22 completed buried the garden stake.

Top left photo: An HVO scientist stands next to a garden stake with 20-cm (8-in) intervals marked in blue, next to an old road sign that had been progressively buried by tephra during episodes 1-21; this photo was taken May 15. The next day, episode 22 completed buried the garden stake.

Color photograph of crater floor and steaming crater wall
December 2, 2025—Halemaʻumaʻu crater wall and new lava flows on floor
December 2, 2025—Halemaʻumaʻu crater wall and new lava flows on floor
December 2, 2025—Halemaʻumaʻu crater wall and new lava flows on floor

The USGS Hawaiian Volcano Observatory often gets asked how long it will take the lava flows to fill in Halemaʻumaʻu crater and spill onto the upper caldera floor of Kīlauea. This photo, taken from the floor of the crater, shows the lava flows from episode 37 (November 25) where they contact the north wall of the crater, which rises several hundred feet above.

The USGS Hawaiian Volcano Observatory often gets asked how long it will take the lava flows to fill in Halemaʻumaʻu crater and spill onto the upper caldera floor of Kīlauea. This photo, taken from the floor of the crater, shows the lava flows from episode 37 (November 25) where they contact the north wall of the crater, which rises several hundred feet above.

Color photograph of volcanic vents degassing
December 2, 2025—Halemaʻumaʻu vents degassing
December 2, 2025—Halemaʻumaʻu vents degassing
December 2, 2025—Halemaʻumaʻu vents degassing

An aerial view of the north (right) and south (left) vents in Halema'uma'u, taken during a USGS Hawaiian Volcano Observatory monitoring overflight the morning of December 2, 2025. Both vents were actively degassing, and a spattering lava surface was visible deep within their conduits.  USGS photo by D. Downs

An aerial view of the north (right) and south (left) vents in Halema'uma'u, taken during a USGS Hawaiian Volcano Observatory monitoring overflight the morning of December 2, 2025. Both vents were actively degassing, and a spattering lava surface was visible deep within their conduits.  USGS photo by D. Downs

Color photograph showing volcanic gas wafting over a tephra-blanketed crater rim
December 2, 2025—View of spatter-fed flow on crater rim, Kīlauea summit
December 2, 2025—View of spatter-fed flow on crater rim, Kīlauea summit
December 2, 2025—View of spatter-fed flow on crater rim, Kīlauea summit

This aerial photograph, taken during a USGS Hawaiian Volcano Observatory monitoring overflight the morning of December 2, 2025, shows volcanic gas wafting over the tephra-blanketed rim of Halemaʻumaʻu crater. The ripple-like deposits on the right side of the image, on the crater rim, are spatter-fed lava flows that formed during episode 34 on October 1.

This aerial photograph, taken during a USGS Hawaiian Volcano Observatory monitoring overflight the morning of December 2, 2025, shows volcanic gas wafting over the tephra-blanketed rim of Halemaʻumaʻu crater. The ripple-like deposits on the right side of the image, on the crater rim, are spatter-fed lava flows that formed during episode 34 on October 1.

Color photograph of degassing volcanic vent
December 2, 2025—View of degassing vents and tephra hill, Kīlauea summit
December 2, 2025—View of degassing vents and tephra hill, Kīlauea summit
December 2, 2025—View of degassing vents and tephra hill, Kīlauea summit

The north and south vents were degassing during a USGS Hawaiian Volcano Observatory monitoring overflight of Kīlauea summit on December 2, 2025. Eruptive activity at these vents was paused on December 2, following 9 hours of lava fountaining during episode 37 on November 25, but a spattering lava surface was visible deep within both vents. USGS photo by K.

The north and south vents were degassing during a USGS Hawaiian Volcano Observatory monitoring overflight of Kīlauea summit on December 2, 2025. Eruptive activity at these vents was paused on December 2, following 9 hours of lava fountaining during episode 37 on November 25, but a spattering lava surface was visible deep within both vents. USGS photo by K.

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