Volcano Hazards Program Office

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Color photograph of lava lake and rainbow
October 8, 2021

October 8, 2021 — Kīlauea summit eruption

Though not every ānuenue (rainbow) has an actively erupting volcanic fissure at its end, this one did for a brief moment during HVO scientists' helicopter overflight of the Kīlauea summit on the morning of October 8, 2021. Misty rains were clearing at the time, forming the rainbow and allowing the scientists a mostly clear view of the western fissure feeding lava into

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Color webcam photo of lava lake
October 7, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 7, 2021

KWcam image taken on October 7, 2021, just after 6 a.m. HST. This image shows the ongoing eruption within Halemaʻumaʻu crater at the summit of Kīlauea. The eruption began the afternoon of September 29, 2021, as fissures in the floor of the crater; this activity is generating a lava lake that is slowly filling the crater. Near-real-time images captured by the KWcam are 

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Color photograph of volcanic vent
October 7, 2021

October 7, 2021 — Kīlauea

The eruption continues in Halema‘uma‘u crater, at the summit of Kīlauea. Lava fountaining no longer emerges from the central portion of the lake, with fountaining limited to the west vent shown here. Low fountaining within the cone supplies lava into the lake via a short spillway. USGS image by M. Patrick.

Color photograph of lava lake
October 7, 2021

Kīlauea summit eruption in Halema‘uma‘u crater – October 7, 2021

A wide view of the ongoing Kīlauea summit eruption within Halema‘uma‘u, taken from the northwest rim of the crater. The west vent lava fountains (right) continues to supply lava into the slowly rising lava lake. Lava fountaining is no longer visible through the central and southern portions of the lava lake surface. Over the past day or two the surface crust in the north

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Color photograph of volcanic vent
October 7, 2021

October 7, 2021 — Kīlauea eruption

The eruption continues in Halema‘uma‘u crater, at Kīlauea summit. This view from the southern crater rim shows the west vent fountains (center) supplying lava into the western portion of the lava lake. SO2 gas emission rates remain elevated, and were measured at 4,700 tonnes per day on October 7. USGS photo taken by L. DeSmither on October 7, 2021.

Color photograph of island in lava lake
October 7, 2021

October 7, 2021 — Kīlauea eruption

Late afternoon sunlight illuminates the main island in the lava lake in Halema‘uma‘u crater, at the summit of Kīlauea. The island formed in the previous summit eruption (December 2020-May 2021), and was covered with fresh spatter during the opening stages of the current eruption. USGS photo by M. Patrick.

Color photograph of lava lake surface
October 7, 2021

October 7, 2021 — Kīlauea eruption

This photo from Thursday, October 7, shows the lava lake near the western vent in Halema‘uma‘u crater, at the summit of Kīlauea. The zig zag pattern separating the crustal plates is evident here, as are several spreading zones which cut across the pattern. USGS photo by M. Patrick.

October 7, 2021

October 7, 2021 — Kīlauea volcanic vent

The eruption continues in Halema‘uma‘u crater, at the summit of Kīlauea. Lava fountaining no longer emerges from the central portion of the lake, with fountaining limited to the west vent shown here. Low fountaining within the cone supplies lava into the lake via a short spillway. 

Color photograph of volcanic vent
October 7, 2021

October 7, 2021 — Kīlauea eruption

A view of the west vent in Halema‘uma‘u crater, at the summit of Kīlauea. This photo was taken from the northwest caldera rim, providing a good view inside the cone, as well as a view of the small spillway supplying lava into the lake. USGS photo by M. Patrick.

October 7, 2021

Kīlauea summit eruption field work – October 7, 2021

An HVO geologist makes observations, collects data, and maintains instruments during the ongoing eruption within Halema'uma'u. This video shows some of the typical field work HVO geologists do during eruption monitoring, including collecting high-resolution videos, photos, and thermal images, taking laser rangefinder measurements, and maintaining field camera stations.

Color photograph of lava
October 6, 2021

Crustal foundering in Halema‘uma‘u

A large crustal foundering event in Kīlauea's ongoing Halema‘uma‘u eruption occurred in the late afternoon on October 6, 2021. This photo was taken from the northwest crater rim looking east across the lava lake. USGS Photo: K. Lynn

Color photograph of lava fountain
October 6, 2021

West vent fountain on October 6, 2021

The west vent fountain in Kīlauea's ongoing Halema‘uma‘u eruption was 12 m (39 ft) above the lava lake surface in the late afternoon of October 6, 2021. This photo was taken by USGS geologist K. Lynn from the northwest rim of Halema‘uma‘u looking south.