Guest “Geology” by David Middleton
The most active volcano in the world is back …
Now happening: a new outbreak of Kīlauea in Halemaʻumaʻu
See live webcams in Halemaʻumaʻu courtesy of the USGS Hawaiian Volcano Observatory: https://t.co/Yf1Kc3AeJ9 pic.twitter.com/bsNmt3ZTUg
– Hawaii Volcanoes NPS (@Volcanoes_NPS) December 21, 2020
No significant changes as of 4:09 a.m. HST. The fountain on the N wall of the Halemaʻumaʻu crater is dominant, with weaker fountains being visible at W cracks. The lava lake rises slowly. A rising gas plume continues to drift to the southwest. pic.twitter.com/enYj1U9yos
– USGS Volcanoes🌋 (@USGSVolcanoes) December 21, 2020
The water lake that formed in Halema’uma’u crater after the eruption in 2018 is now a lava lake.
Eruption boils off Kilauea Water Lake forming new lava lake
from Big Island Video News
on December 21, 2020
(BIVN) – The Kīlauea eruption on Sunday evening – the first eruptive activity on the volcano in over two years – has already erased the growing summit water lake and replaced it with a new lava lake at the foot of the crater.
The eruption suddenly started around 9:30 p.m. HST during a brief swarm of earthquakes at the summit. Scientists say that several cracks have opened on the walls of Halemaʻumaʻu crater. The lava cascaded into the summit water lake, boiled the water and formed a new lava lake at the bottom of the crater.
The activity is contained in Halemaʻumaʻu crater in the Kīlauea caldera, scientists say. One of the wells in the crater was 165 feet high.
[…]
Big Island Video News “Shortly after approximately 9:30 pm HST, an eruption began at the summit of the Kīlauea volcano. Red spots are the approximate locations of fissure openings that feed lava flowing into the floor of Halema’uma’u crater. The water lake at the foot of the Halema’uma’u crater has been replaced by a growing lava lake. The lava cover is 10 m (32 ft) or larger and larger than the water in this photo (the base map is from images collected on September 23, 2020). The easternmost vent currently has fountains up to 50 m high and small fountains on the west side. Occasionally, explosions of uncertain origin occur on the surface of the lava lake. USGS photo. “(BIVN)” A plume of steam and gas from the eruption of the Halemaʻumaʻu crater on the Kīlauea summit. The lava contained in the crater illuminates the steam generated by the lava that interacts with and boils off the summit water lake at the foot of the Halemaʻumaʻu crater. USGS photo. “(BIVN)
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