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

Aktualisiert: 25. Jan. 2022 13:51 GMT - Neu laden

activity decreased significantly yesterday

Update Sun 23 Jan 2022 23:54
The activity is aimed within Halemaʻumaʻu crater (image: HVO)
The activity is aimed within Halemaʻumaʻu crater (image: HVO)
The effusive eruption within Halemaʻumaʻu crater rapidly decreased yesterday morning.
The lava lake level dropped by 10 meters between 07:00 and 21:00 local time yesterday.
The activity is focused on a small lava pond north of the western fissure cone.
Several ooze-outs continue to be active from the eastern and northwestern crater rims.
Electronic tiltmeters monitored continuous deflation from 21 January at 17:00 local time associated with a sharp peak starting around 06:30 local time until 10:00 local time and later decreased again to low values.

lava returned to lava lake after 3 days pause

Update Thu 06 Jan 2022 17:15
The lava continues to erupt from the western fissure vent (image: HVO)
The lava continues to erupt from the western fissure vent (image: HVO)
The effusive activity within Halemaʻumaʻu crater renewed after 3 days since the lava lake stopped to be active.
On 4 January at 15:00 local time, instruments started to record an inflation, followed by a rising signal of volcanic tremor at 03:40 local time yesterday and the lava returning to the Halema'ma'u crater at about 04:00 local time yesterday.
Emitting lava continues to keep the flow active from the vent at the western rim.
Source: Hawaiian Volcano Observatory volcano activity update 6 January 2022

lava effusion stopped, restart is expected in 6-12 hours

Update Sat 01 Jan 2022 02:01
The lava effusion ceased from the western fissure vent yesterday and continues at pausing-reactivating cycles at roughly regular intervals of 1 to 3 days, but from previous observations, a resumption of the activity is expected within the next 6-12 hours.

reactivation cycles continue

Update Thu 30 Dec 2021 04:32
The lava flow at Kilauea today (image: HVO)
The lava flow at Kilauea today (image: HVO)
The effusive activity renewed after 2 days since the lava lake stopped to be active.
Following a resumption of a strongly rising volcanic tremor at around 18:50 local time yesterday, the lava came out shortly after, at around 19:10 local time.
The volcanic tremor started to decreased since 06:00 local time confirming that activity continues at reduced rate.
The lava flow continues to effuse from the western fissure vent at reduced rate. The most likely reason of the rate is formation of cooler crust on the outer half of the lake and decreasing lava velocities measured on the thermal camera as explained the Hawaiian Volcano Observatory.
Summit tiltmeters have detected the rapid deflation since 03:00 local time.

fluctuating activity continues, lava effusion stopped

Update Tue 28 Dec 2021 02:48
The paused activity within Halemaʻumaʻu crater yesterday (image: HVO)
The paused activity within Halemaʻumaʻu crater yesterday (image: HVO)
The lava effusion before the pause on 25 December (image: HVO)
The lava effusion before the pause on 25 December (image: HVO)
The lava effusion ceased from the western fissure vent yesterday and continues at pausing-reactivating cycles at roughly regular intervals of 1 to 3 days. The latest timelapse video of the lava ceasing can be seen on Hawaii Tracker.

resumption of activity, lava is in Halema'ma'u crater again

Update Thu 23 Dec 2021 21:44
Lava flows are back in Halema'ma'u crater (image: Hawaii Tracker)
Lava flows are back in Halema'ma'u crater (image: Hawaii Tracker)
After 2 days since the lava lake stopped to be active again, a strongly rising signal of volcanic tremor at 19:30 local time yesterday has been detected, followed by lava returning to the Halema'ma'u crater at about 20:00 local time.
Emitting lava continues to keep the flow active from the vent at the western rim.
The lava is coming back into Halemaʻumaʻu crater as seen in the timelapse video updated on Hawaii Tracker website.

fluctuated activity, lava effusion has stopped

Update Wed 22 Dec 2021 05:09
Lava has stopped within Halemaʻumaʻu crater (image: HVO)
Lava has stopped within Halemaʻumaʻu crater (image: HVO)
The effusive eruption of the volcano continues at fluctuating levels.
After pausing-reactivating cycle, the volcano entered to another pause phase yesterday as shown in the timelapse video on Hawaii Tracker.
The lava flow ceased from the western fissure vent although a glow is still visible.
Based on the previous pause periods, there are expected reactivation of the eruption in a few days.

lava returned to lava lake again after short pause

Update Tue 14 Dec 2021 22:42
Renewed activity at Kilauea volcano at midnight (image: HVO)
Renewed activity at Kilauea volcano at midnight (image: HVO)
The effusive eruption within Halemaʻumaʻu lava lake decreased significantly during the almost last 48 hours and paused yesterday, but only to restart about at 21:00 local time yesterday. The lava flows returned to the western fissure vent to supply the lake.
"Inflationary tilt was present for most of yesterday, with the onset of brief deflationary tilt just before midnight.", reported Hawaiian Volcano Observatory (HVO).
The lava is coming back into Halemaʻumaʻu crater as seen in the timelapse video updated on Hawaii Tracker website.
Source: Hawaiian Volcano Observatory volcano activity update 14 December 2021

lava effusion has paused again

Update Tue 14 Dec 2021 03:10
The effusive activity at Kilauea volcano have paused today (image: HVO)
The effusive activity at Kilauea volcano have paused today (image: HVO)
The lava supply to the Halemaʻumaʻu lava lake decreased significantly over the past 24 hours.
According to the USGS thermal and S1 camera, it seems that the lava flow feeding from the western fissure vent to have paused, which may be the result of a small surge of lava over the past day.
The reduced activity is likely supported by a summit deflation, similar to the latest eruptive pause last week.
If the lava lake would stop to be active again, this would be the 5th pause in the eruptive episode since 29 September.
Sulfur dioxide (SO2) emissions reached to a 3000 tonnes/day on 9 December.
A summit inflation continued to be active yesterday evening, which may turn into another reactivation of the effusive activity.

resumption of activity, lava is back in Halema'ma'u crater

Update Wed 08 Dec 2021 08:24
Lava returned to the lava lake (image: HVO)
Lava returned to the lava lake (image: HVO)
After 3 days since the lava lake stopped to be active, lava returned to the Halema'ma'u crater at about 18:00 local time yesterday. Emitting lava flows erupting from the vent at the western rim.
The rate of the renewed effusive eruption from the western vent decreased sharply along with a dramatic reduction in tremor and the start of deflationary tilt.
The Hawaiian Volcano Observatory (HVO) wrote: "The eastern edge of the lake that advanced onto the lowest of the exposed down-dropped caldera floor blocks remains stagnant. This is the fourth and largest such decrease in eruption vigor or pause since the eruption began on September 29 and none of the prior events lasted more than 24 hours before eruptive activity resumed."

activity slowed down during the past days

Update Wed 01 Dec 2021 05:02
Gas and steam emissions eject from the western cone (image: HVO)
Gas and steam emissions eject from the western cone (image: HVO)
The Hawaiian Volcano Observatory (HVO) reported that the effusive eruption within the Halema'uma'u crater continues, but has been lower over the past few days.
Weak lava flow emissions from the western spatter cone continue to feed the lava lake. Red-to-orange incandescent patches of lava are well visible within the active portion of the lake.
SO2 and steam emissions are generated from the western fissure vent accompanied by low lava spattering.

effusive activity triggered small overflow of lava lake

Update Fri 19 Nov 2021 05:44
Lava flow onto lowest exposed Kīlauea summit down-dropped block (image: HVO)
Lava flow onto lowest exposed Kīlauea summit down-dropped block (image: HVO)
Thermal image of the Halemaʻumaʻu crater. The eastern half is solidified at the surface, while the western portion of the lava lake is supplied by lava fountains. New lava flow from the overflow can be seen on the east side of the lava lake (image: HVO)
Thermal image of the Halemaʻumaʻu crater. The eastern half is solidified at the surface, while the western portion of the lava lake is supplied by lava fountains. New lava flow from the overflow can be seen on the east side of the lava lake (image: HVO)
The Hawaiian Volcano Observatory (HVO) reported that the lava flow started overflowing the lava lake levee at the western crater rim on 12 November.
Three days later, on 15 November, a new lava flow has started to descend onto the surface on the blocks.
'The lava lake surface is now at the level with the lowest of the dropped blocks remaining from the 2018 summit collapse event.', says the local observatory.
The video from lava overflowing can be seen here.

resumption of activity + timelapse video

Update Wed 10 Nov 2021 06:56
Thermal image of the western fissure vent within Halemaʻumaʻu crater (image: Hawaii Tracker)
Thermal image of the western fissure vent within Halemaʻumaʻu crater (image: Hawaii Tracker)
According to the news from the Hawaii Tracker portal, it seems that the effusive eruption within Halemaʻumaʻu lava lake has picked up again yesterday since around 4 November as the activity slowed down.
A timelapse video over the past few days shows the slow down and resumption of the activity in the attached link

Kilauea volcano activity update: growing lava lake reached NE rim, activity slowed down

Update Thu 04 Nov 2021 06:06
Glowing cracks in the lava lake of Halemaʻumaʻu crater (image: HVO)
Glowing cracks in the lava lake of Halemaʻumaʻu crater (image: HVO)
Volcanologist Philip Ong from our team, living in Hawaii, reported about the growing lava lake progress on Hawaii Tracker: "Just over one month into Kīlauea's second eruption in 2021, and the filling lava lake has reached the northeast inner ledge at an elevation of roughly 2585 ft or 788 m above sea level. The current eruption has added 170 ft or 52 m to the previously crusted lake, for a total thickness of 919 ft or 280 m to its deepest point since late 2020. However, the combined output of both eruptions thus far only corresponds to about 8% of the volume lost during the 2018 summit collapse."
The lava continues to effuse from the western spatter cone and has been traveling in the NE and SE direction where has submerged beneath glowing cracks in the solidified lava covering the slowly uplifting lake.
The discharge rate of this eruption seems lower compared to previous weeks since the eruption started. Nevertheless, the activity may continue for some time at reduced levels.
Sulfur dioxide (SO2) emissions continue at 3600 tonnes/day, creating volcanic smog (so-called vog) that threats local communities.

Kilauea volcano (Hawai'i): lava lake ceases to be active

So, 5. Dez 2021, 17:24
17:24 PM | VON: T
Steaming from the crusted-over lava lake in Halema'uma'u crater at Kilauea volcano on Hawai'i (image: HVO)
Steaming from the crusted-over lava lake in Halema'uma'u crater at Kilauea volcano on Hawai'i (image: HVO)
Tilt at the summit of Kilauea over the past days showing a strong deflation at the moment (image: HVO)
Tilt at the summit of Kilauea over the past days showing a strong deflation at the moment (image: HVO)
Last night, the lava lake stopped to be active as the vent at the western rim that had been feeding the lake ceased to be active. The lava lake crusted over and is has no longer incandescent areas.
It might be a temporary pause or an end of the latest eruptive episode, which will be clearer in the coming days. Deformation shows a strong deflation of the summit, which is in agreement with magma having drained away from the shallow storage area below.

Kilauea volcano update: yearly time-lapse video

Update Mon 01 Nov 2021 08:43
The latest F1 thermal image at Kilauea volcano on 31 October (image: HVO)
The latest F1 thermal image at Kilauea volcano on 31 October (image: HVO)
The Hawaiian Volcano Observatory (HVO) published a yearly time-lapse video at Kilauea volcano from 28 October 2020 to 28 October this year. The video is made by the F1 thermal camera using one image every 8 hours.
The video involves the effusive eruption episode during December 20-May 21 and the current activity that began on 29 September.
The former water lake to have disappeared completely at the beginning of the Dec 2020 eruption and has been replaced with the growing lava lake. The current lava lake maximum elevation at the western end is approx. 795 meters (2,608 ft) by 31 October. There is about 8 meters (26 ft) elevation difference between the active west and stagnant east part of the lake measured on 27 October.
The effusive eruption at the volcano continues with small lava spattering at the western fissure. The total erupted volume since the beginning of the eruption (29 Sep) was estimated to be about 19.9 million cubic meters on October 15.
Source: Hawaiian Volcano Observatory volcano activity update 1 November 2021

Video of lava fountains + bonus time-lapse clip of full moon over Halema'uma'u

Update Fri 22 Oct 2021 17:43
Philip Ong recorded the lava fountaining at the new lava lake in Halema'uma'u in the following video:


Kilauea volcano (Hawai'i) activity field report: full moon over erupting Halema'uma'u crater this morning

Fr, 22. Okt 2021, 07:43
07:43 AM | VON: MARTIN
Full moon illuminates the eruption site at dawn with Mauna Loa in the background (image: Philip Ong)
Full moon illuminates the eruption site at dawn with Mauna Loa in the background (image: Philip Ong)
Full moon illuminates the eruption site at dawn with Mauna Loa in the background (image: Philip Ong)
Full moon illuminates the eruption site at dawn with Mauna Loa in the background (image: Philip Ong)
First sun rays reached Mauna Loa and Halema'uma'u crater this morning (image: Philip Ong)
First sun rays reached Mauna Loa and Halema'uma'u crater this morning (image: Philip Ong)
Philip Ong and Martin Kelko from our team followed the eruption at Kilauea at dawn and dusk over the last few days.
Weather at the eruption site was pretty rare this morning as has been also reported on the Hawaii Tracker's latest report: 'On an unusually clear morning for 2021, the sunrise paints Maunaloa and the setting full moon, as Kīlauea's eruption continues within Halemaʻumaʻu crater.'
The effusive eruption at the volcano is ongoing. Low-level spattering is seen from the western fissure, which continues to build the horseshoe-shaped spatter cone. Small lava fountains, about 5 meters tall, with occasional bursts up to 10 meters, are feeding lava flowing into the growing Halema'uma'u crater.
Sulfur dioxide (SO2) emissions remain elevated at approx. 2700 tonnes/day measured on 17 October.
The Hawaiian Volcano Observatory (HVO) reported that the lava lake is not level across its surface due to the location of the vent in the western end. There is about 8 meters elevation difference between the active west and stagnant east part of the lake.
Seismic recordings show continuous ground vibration (volcanic tremor) as magma pushes its way towards the surface since the eruption started.

Kilauea volcano (Hawai'i): increased lava fountains, new short-lived vent opened

Do, 14. Okt 2021, 16:13
16:13 PM | VON: MARTIN
New short-lived vent opened to the north (right) of the active western fissure (image: HVO)
New short-lived vent opened to the north (right) of the active western fissure (image: HVO)
An intense fountaining activity took place at the main western fissure on 12 October.
A vigorous lava spattering, pulsating to 10 m-15 m (30 ft-50 ft) height, was interrupted by constant lava fountains exceeding the height of the cone (30 m/100 ft).
The lava flows continue to feed the active west half of the Halemaʻumaʻu lake. The west side of the lake is perched above the stagnant eastern lake surface, with several lava overflows advancing over the previously solidified surface crust.
A new short-lived vent opened, related to the increased fountaining activity, to the north of the active western fissure. The activity at this vent lasted about 10 hours with small lava fountains about 3 meters tall.
Source: Hawaiian Volcano Observatory volcano activity update 14 October 2021

Kilauea volcano (Hawai'i): western fissure continues to supply Halemaʻumaʻu lava lake

Mo, 11. Okt 2021, 16:28
16:28 PM | VON: MARTIN
C-shaped cinder cone above the western fissure vent (image: HVO)
C-shaped cinder cone above the western fissure vent (image: HVO)
The effusive eruption of the volcano resumes and has remained essentially unchanged since the last update.
Fountaining, about 49 ft (15 m) tall, continues from the only western fissure vent as the lava supply from the chain of vents stretching from the lake's center to its southern margin has ceased over the past few days.
The lava spattering continues to build the spatter cone above the eruptive fissure.
The western end of the lake shows a maximum elevation of approximately 780 meters (2559 ft) above sea level as measured by field crews on October 9, which is a 1 meter (3ft) increase over the past day and a total increase of about 37 meters (121 ft) since lava emerged on September 29.
The Hawaiian Volcano Observatory (HVO) reported that "The central island and several of the smaller eastern islets from the 2020 lava lake are still above the lake surface along with an island of the 2020 western vent rampart in the northwest part of the lake. The lava lake is not level across its surface due to the location of the vent in the western end. Areas closer to the vent are about 1-2 meters (3-7 ft) higher in elevation compared to the north and south part of the lake and 8 meters (26 ft) higher than the east end of the lava lake. Crustal foundering is mainly focused on the western part of the lava lake with lava flowing north and south around the central island through narrow cascades to reach parts of the eastern end of the lake."
Sulfur dioxide (SO2) emissions remain elevated at approx. 5300 tonnes/day measured on 8 October.
The seismic activity remains elevated but stable.
Source: Hawaiian Volcano Observatory volcano activity update 11 October 2021
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