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Kilauea Volcano, Hawai'i: current activity and eruption update

Aktualisiert: 4. Feb. 2023 19:58 GMT -

Floating islands within eastern lava lake being submerged

Update Sat 04 Feb 2023 17:51
Fountaining activity at the western fissure vent (image: HVO)
Fountaining activity at the western fissure vent (image: HVO)
The effusive activity within the Halemaʻumaʻu crater floor continues.
The eastern lava lake continues to be at stable values. Two smaller floating islands within it seem to disappeared as they being already submerged over the past day, the HVO reported. A new lava crust began to form itself against the north and east levees.
The small lava fountain, located in the southern part of the lake, continues to be active and is getting back to previous average levels with height of 1-2 meters.
The 2021-2022 western lava lake continues to be active and remains unchanged within the Halemaʻumaʻu crater.
The live-stream video of the activity is available here.
The ground deformation parameters have been flat, meaning no inflation nor deflation.
Sulfur dioxide (SO2) emissions reached to a 3,000 tonnes on 20 January.
Source: Hawaiian Volcano Observatory volcano activity update 4 February 2023

Eastern lava lake crusted to form two lava patches, currently being back to origin full-scale size

Update Fri 03 Feb 2023 05:45
Night-time view of both luminous lava lakes at Kilauea volcano (image: USGS)
Night-time view of both luminous lava lakes at Kilauea volcano (image: USGS)
Before and after true color composite image of the eastern lava lake within the Halemaʻumaʻu crater (image: Sentinel-2)
Before and after true color composite image of the eastern lava lake within the Halemaʻumaʻu crater (image: Sentinel-2)
The effusive eruption within the Halemaʻumaʻu crater continues with little changes as it's being seen waned over the past two days.
The eastern lava lake started to crust itself during the morning of 1 February and formed a narrow bridge-like crust section through the center of the lake (so-called isthmus) separating it into the northern and southern parts. This phenomenon is well visible in the latest Sentinel-2 satellite image from 1 Feb portraying two smaller glowing yellow patches of lava.
The two active areas in the eastern lava lake were about 25 acres in size measured on 17 January where each one showed independent and opposite surface convection movements from levees towards the isthmus direction.
The lava spattering in the southern part of the eastern lava lake disappeared from view for 45 minutes at 11:15 PM local time on 1 February, but it returned back at midnight. At about 01:00 AM local time, the lava surface from the southern part invaded the whole eastern lava lake including levees boundaries and the isthmus and returned to the original single lava lake at about 04:00 AM yesterday morning. It currently continues at stable conditions again, suggesting that there is a delicate equilibrium between heat and magma supply and loss (through cooling and mild emissions during degassing).
The 2021-2022 western lava lake continues to be active and remains unchanged within the Halemaʻumaʻu crater.
Source: Hawaiian Volcano Observatory volcano activity update 3 February 2023

Two lava lakes continue to be active

Update Wed 25 Jan 2023 04:12
Thermal F1 image of both active lava lakes within Halemaʻumaʻu crater with small lava pit in between them (image: F1 HVO)
Thermal F1 image of both active lava lakes within Halemaʻumaʻu crater with small lava pit in between them (image: F1 HVO)
A true colour satellite image of Kilauea volcano with IR highlights composite depicting both active lava lakes (image: Sentinel-2)
A true colour satellite image of Kilauea volcano with IR highlights composite depicting both active lava lakes (image: Sentinel-2)
The effusive eruption at the volcano continues.
Both lava lakes, the large one in the eastern half of the crater and 2021-2022 western, smaller one, continue to be active within the Halemaʻumaʻu crater.
The eastern lava lake is currently well-defined by its levee boundaries, though there are periods of frequent overflows.
The flux of SO2 emissions reached to a 3,000 tonnes on 20 January.
A live-stream video of the activity is available here.
Source: Hawaiian Volcano Observatory volcano activity update 25 January 2023

Lava continues to fill up eastern lava lake

Update Thu 19 Jan 2023 05:26
View of the west vent in Halemaʻumaʻu and the lava lake (image: HVO)
View of the west vent in Halemaʻumaʻu and the lava lake (image: HVO)
The effusive eruption within the Halemaʻumaʻu crater continues.
The main activity is confined to the 2023 large lava lake, located in the eastern half of the crater, as well as to the 2021-2022 smaller, western lava lake.
The fissure vent continues to erupt one prevailing lava fountain, about 6-7 meters tall, feeding lava into the eastern lava lake. The current lava lake area refers to approx. 30 acres measured on 10 January.
Summit tiltmeters monitored an inflation pattern early yesterday, consistent with the inflation phase of a summit deflation-inflation event.
The volcanic tremor has not shown significant variations.
Sulfur dioxide (SO2) emissions reached to a 3,500 tonnes on 9 January.
Source: Hawaiian Volcano Observatory volcano activity update 19 January 2023

Small fountains merged into one prevailing lava bursts

Update Thu 12 Jan 2023 04:13
Spattering activity at the fissure vent within Halemaʻumaʻu crater (image: HVO)
Spattering activity at the fissure vent within Halemaʻumaʻu crater (image: HVO)
The effusive eruption from the eruptive vents in the eastern half of the Halemaʻumaʻu crater continues.
Judging from the here, several small lava fountains have reduced themselves into one dominant lava bursting. The summit of the volcano has been inflated until about midday yesterday, but later on, it reverted to a deflation mode again. SO2 emissions reached to a 3,500 tonnes on 9 January. <i>Source: Hawaiian Volcano Observatory volcano activity update 12 January 2023</i>

Eruption continues with small lava fountains from vent

Update Tue 10 Jan 2023 04:03
Aerial view of the current lava lake within Halemaʻumaʻu crater (image: HVO)
Aerial view of the current lava lake within Halemaʻumaʻu crater (image: HVO)
Thermal map of the new lava lake (right) with small solidified lava on the crater floor (left) (image: HVO)
Thermal map of the new lava lake (right) with small solidified lava on the crater floor (left) (image: HVO)
The effusive eruption within Halemaʻumaʻu crater has slightly slowed down over the past 24 hours.
Small, sustained lava fountains continue to feed the lava spreading into the newly formed lava lake, currently concentrated in the eastern half of the crater.
The flux of SO2 emissions reached to a 4,000 tonnes on 8 January.
A live-stream video of the activity is available here.
Source: Hawaiian Volcano Observatory volcano activity update 10 January 2023

A timelapse video of the resumption of the activity between 5 and 9 January (source: Dane duPont)

Kilauea volcano (Hawai'i): activity has been stable, Aviation Color Code lowered to Orange

Sa, 7. Jan 2023, 04:09
04:09 AM | VON: MARTIN
Weak spattering in between solidified crust (image: HVO)
Weak spattering in between solidified crust (image: HVO)
The recent lava flow field covering the crater floor (image: HVO)
The recent lava flow field covering the crater floor (image: HVO)
New map for the renewed lava lake eruption of Halema‘uma‘u at Kīlauea's summit (image: HVO)
New map for the renewed lava lake eruption of Halema‘uma‘u at Kīlauea's summit (image: HVO)
The effusive activity is confined within the Halema'uma'u crater.
The vast area of the crater floor is being covered by lava flow field with slabs of dark, solidified crust that have continued to shift on the lava field surface, accompanied by typical bright orange lava glow where several weak lava spattering is seen between them.
The HVO observatory doesn't expect the eruption to migrate elsewhere out of the summit area.
The alert status is being lowered from "Warning" to "Watch" as the effusion rate has been declining over the past hours and the Aviation Color Code from "Red" to "Orange" because there is currently no threat of significant volcanic ash emission into the atmosphere outside of the hazardous closed area within Hawai'i Volcanoes National Park.
Source: Hawaiian Volcano Observatory volcano activity update 7 January 2023

Kilauea volcano (Hawai'i): lava flows continue to fill up crater floor

Fr, 6. Jan 2023, 08:16
08:16 AM | VON: MARTIN
Lava flow field within Halema‘uma‘u crater in the late evening yesterday (image: HVO)
Lava flow field within Halema‘uma‘u crater in the late evening yesterday (image: HVO)
The new effusive eruption, beginning yesterday, continues.
Multiple lava fountains, about 10 meters tall, continue to be produced from the fissure vent located in the central-eastern part of Halema'uma'u crater floor. Some lava jets surpassed 30 meters high at 07:45 PM local time yesterday and several ones exceeded 50 meters during the onset of the eruption.
Lava flows have covered up about 300 acres of the crater floor with 10 meters depth so far.
An initial pre-eruption inflation pattern switched to a deflation phase around 05:00 PM local time yesterday reflecting continuing and smooth magma intrusion, supported also by a resuming seismic tremor.
Sulfur dioxide (SO2) emissions continue at elevated levels.
Source: Hawaiian Volcano Observatory volcano activity update 6 January 2022

Kilauea volcano (Hawai'i): new eruption in Halemaʻumaʻu crater, alert status raised to Red

Fr, 6. Jan 2023, 04:38
04:38 AM | VON: MARTIN
Spreading lava flows onto the solidified crater floor (image: HVO)
Spreading lava flows onto the solidified crater floor (image: HVO)
Typical slabs of dark, solidified crust have continued to shift on the lava field surface, accompanied by typical bright orange lava glow between them (image: HVO)
Typical slabs of dark, solidified crust have continued to shift on the lava field surface, accompanied by typical bright orange lava glow between them (image: HVO)
The eruption onset characterized by small lava fountains (image: HVO)
The eruption onset characterized by small lava fountains (image: HVO)
Spattering activity from the eruptive fissure (image: HVO)
Spattering activity from the eruptive fissure (image: HVO)
A new eruption started at Kilauea in the afternoon of 5 January.
At approx. 04:34 PM local time, the HVO surveillance cameras detected a glow within Halemaʻumaʻu crater. Later on, a new eruptive fissure started to appear and erupt small lava fountains generating lava flows where they have been slowly spreading into various directions and gradually covering the solidified crater floor. Typical slabs of dark, solidified crust have continued to shift on the lava field surface, accompanied by typical bright orange lava glow between them.
Therefore, a decision has been made to rise the Volcanic Alert Level to "Red".
Source: Hawaiian Volcano Observatory volcano activity update 6 January 2023
Kilauea Vulkan
Shield volcano 1277 m (4,190 ft)
Hawai'i, 19.41°N / -155.29°W
Aktueller Status: Ausbruch (4 von 5) Ausbrüche des Kilauea:
Near-continuous eruptions. Since 1960: 1961 (4x), 1962, 1963 (2x), 1965 (2x), 1967-68, 1968 (2x), 1969, 1969-74, 1971 (2x), 1973 (2x), 1974 (3x), 1975, 1977, 1979, 1980, 1982 (2x), 1983-2018 (incl. 1986, 1992, 1997, 2007, 2011 (3x)), 2018 (lower east rift zone in Leilani subdivision), 2020 (Dec) - 2022 (Nov), 2023 (Jan) - ongoing
Typische Aktivität
Dominantly effusive since 1790, but ~60% explosive over past ~2500 years.

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