Volcano Hazards Program Office

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Color photograph of solidified lava lake surface
May 28, 2021

View of west vent area in Halema‘uma‘u - Kīlauea, May 28 2021

View looking to the east of the western part of the now inactive lava lake in Halema‘uma‘u at the summit of Kīlauea Volcano, taken on May 28th. The west vent area is at the bottom. The glowing vent area in the photo taken in the evening on May 24th is visible in the bottom right, with a white rim at the top of the now inactive vent. Part of the main island is visible in

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Close-up view of the now-inactive western fissure within Halema‘uma‘u at the summit of Kīlauea captured on May 27, 2021
May 27, 2021

Close-up view of inactive western fissure in Halema‘uma‘u—May 27, 2021

This close-up view of the now-inactive western fissure within Halema‘uma‘u at the summit of Kīlauea was captured on Thursday, May 27, 2021. HVO scientists did not observe any incandescent lava or other signs of eruptive activity during a one-hour visit to the crater rim. The fissure complex was measured to be about 20 m (66 ft) tall at the time; small rockslides have been

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Color photograph of volcano summit
May 27, 2021

KW webcam image taken on May 27, 2021, around 11 a.m. HST

Kīlauea Volcano is no longer erupting. Lava supply to the Halemaʻumaʻu lava lake has ceased and sulfur dioxide emissions have decreased to near pre-eruption background levels. Yesterday, the USGS Hawaiian Volcano Observatory (HVO) lowered the Kīlauea Volcano Alert Level for ground based hazards from WATCH to ADVISORY and the Aviation Color Code from ORANGE to YELLOW. This

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The now inactive lava lake and west vent from the western rim of Halema‘uma‘u, at Kīlauea summit
May 26, 2021

View of the inactive crusted over lava lake in Halema‘uma‘u

A wide view of the now inactive lava lake and west vent from the western rim of Halema‘uma‘u, at Kīlauea summit. The lava lake is entirely crusted over with no red, glowing lava at the surface. Diffuse volcanic gas plumes are still being emitted from the west vent and northern lake margin. This photo was taken in an area of Hawai‘i Volcanoes National Park that remains

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On May 25, HVO field crews did not observe any active surface lava or incandescent areas within Halema‘uma‘u crater
May 25, 2021

Kīlauea summit eruption on May 25, 2021

During an eruption monitoring shift on May 25, HVO field crews did not observe any active surface lava or incandescent areas within Halema‘uma‘u crater, at the summit of Kīlauea. Since the eruption began on December 20, 2020, over 40 million cubic meters (over 10 billion gallons) of lava has been erupted. This volume is approximately 16 times the volume of the Great

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Though no active surface lava was observed within Halema‘uma‘u on May 25, Kīlauea summit continues to emit volcanic gases
May 25, 2021

Kīlauea summit eruption on May 25, 2021

Though no active surface lava was observed within Halema‘uma‘u on May 25, Kīlauea summit continues to emit volcanic gases. The most recent sulfur dioxide emission rate, measured on May 23, remains slightly elevated at 100 tonnes per day. This photo, taken from the south rim of Halema‘uma‘u, shows an area near the north wall of Halema‘uma‘u crater that has been visibly

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An overview of the lava lake within Halema‘uma‘u crater, at Kīlauea Volcano’s summit, taken on May 25
May 25, 2021

Kīlauea summit eruption on May 25, 2021

An overview of the lava lake within Halema‘uma‘u crater, at Kīlauea Volcano’s summit, taken on May 25. Kīlauea’s summit collapse in 2018 deepened Halema‘uma‘u crater by over 500 meters (1640 feet). The eruption that began the evening of December 20, 2020, has filled approximately 229 m (751 ft) of the base of Halema‘uma‘u crater, which is more than the height of the Space

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On the evening of May 24, no active surface lava was observed within Halema‘uma‘u crater.
May 24, 2021

Halema‘uma‘u lava lake, Kīlauea summit eruption—May 24, 2021

On the evening of May 24, no active surface lava was observed within Halema‘uma‘u crater, at the summit of Kīlauea Volcano. Small spots of incandescent lava were visible beneath cracks in the lake surface crust (center) and at the west vent (left). This photo was taken from the western rim of Halema‘uma‘u, in an area of Hawai‘i Volcanoes National Park that remains closed

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A zoomed-in view of the western vent within Halema‘uma‘u, at the summit of Kīlauea
May 24, 2021

Halema‘uma‘u lava lake, Kīlauea summit eruption—May 24, 2021

A zoomed-in view of the western vent within Halema‘uma‘u, at the summit of Kīlauea, with a weak glow visible at dusk on Monday, May 24. USGS photo taken by B. Carr from the western rim of Halema‘uma‘u.

A zoomed-in view of the western lava lake in Halema‘uma‘u
May 24, 2021

Halema‘uma‘u lava lake, Kīlauea summit eruption—May 24, 2021

A zoomed-in view of the western lava lake in Halema‘uma‘u, at Kīlauea summit, where two locations of faint incandescence are visible beneath the surface crust (upper right). Eruptive activity has decreased significantly in the past few weeks and the once active lava surface has cooled and crusted over. USGS photo taken by B. Carr at dusk on May 24, 2021.

Color images of lava lake surface
May 20, 2021

Active surface lava limited to a small pond in Halema‘uma‘u

Active surface lava in Halema‘uma‘u, at the summit of Kīlauea, is now limited to a small lava pond near the western fissure. Normally the lava pond is covered in a stationary crust, as shown by the image on the left. Occasionally, the pond abruptly resurfaces with fluid lava, with foundering of crustal plates and abundant bubbling, shown by the image on the right. The

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Map showing earthquake activity
May 20, 2021

Map showing Island of Hawai‘i earthquake activity over the past week

Map and plot showing earthquakes at 20-40 km (12-25 miles) depth beneath the Island of Hawai‘i over the past week. Most of the earthquakes at this depth were clustered beneath the southern edge of the island near the town of Pāhala (blue dots).  USGS graphic.