Hawaii Kilauea Volcano Halemaumau Lava Lake is Getting Deeper 🌋- 1/2/2021

This January 2nd, 2021 Kilauea Volcano Eruptions update presentation video contains media obtained from USGS and Google Earth with some of the details from; USGS at https://www.usgs.gov/volcanoes/kilauea/photo-video-chronology and earthquakes data. According to the USGS HVO Scientists the lava lake is still rising it is around 189 m (620 ft) deep. The depth of the lava lake has increased approximately 11 m (36 ft) in the past week, from about 178 m (584 ft) on December 26 (left) to about 189 m (620 ft) on January 2 (right). The main island measured about 250 m (820 ft) in length, 135 m (440 ft) in width, and about 3 ha (7 acres) in area based on the Dec. 30 thermal map. HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with the National Park Service and emergency managers. Access to this hazardous area is by permission from, and in coordination with, Hawai‘i Volcanoes National Park. HVO scientists monitor the eruption from within an area of Hawai‘i Volcanoes National Park that remains closed to the public for safety reasons. Associated USGS thermal imaging, illustration maps, time lapse and overflight video with more pronounced helicopter and wind sound are also provided.

It is very exciting to see that Hawaii Kilauea Volcano Halemaumau lava lake is back and looks like much bigger than before. Hopefully Visitors of the Volcano National Park will be able to enjoy these amazing views with their own eyes.

January 2021 is Hawaiʻi Island's 12th annual Volcano Awareness Month.

According to the USGS Hawaii Volcano Observatory HVO website;

https://volcanoes.usgs.gov/volcanoes/kilauea/status.html
"Recent Observations:
An earthquake swarm beneath Kīlauea summit began around 8:30 p.m. HST on the evening of December 20, ( 1:30 a.m. EST Monday December 21st ) accompanied by ground deformation detected by tiltmeters. A bright glow and vigorous steam plume, generated by the boiling water lake in Halemaʻumaʻu, was subsequently observed on HVO webcams beginning approximately 9:30 p.m. HST. HVO scientists responded immediately and visually confirmed from the field that lava was visible within Halemaʻumaʻu. The steam plume dissipated shortly thereafter. Activity over the past ten hours has been characterized by three fissure vents on the north and northwest walls of Halemaʻumaʻu crater. Fountaining lava at these vents is estimated to be up to 25 m (82 ft) high; the vents are feeding lava flows into the base of Halemaʻumaʻu crater, which is being filled with a growing lava lake.

The lava lake has been rising approximately several meters (yards) an hour since the eruption began. The current lava lake exhibits a circulating perimeter, but stagnant center.

The event has been accompanied by only moderate amounts of deformation, indicating deflation of a magma reservoir under Halema'uma'u. Rates of tilting have decreased slightly since the beginning of the eruption.

Increased rates of seismicity in the summit region continue. Some of these earthquakes may be felt. A magnitude-4.4 earthquake located beneath Kīlauea Volcano's south flank occurred on Sunday, December 20, at 10:36 p.m. HST.

Visitors to the Hawai'i Volcanoes National Park should note that under southerly (non-trade) wind conditions, rockfalls and explosions can result in a dusting of powdery to gritty ash composed of volcanic glass and rock fragments.

Lava Flow rate calculation;
In reference to Beginning 2020-12-20 21:30 HST and the Summit Eruption Reference Map 2020-12-27 16:00 HST stats with 5.6 Billion Gallons, and with Time Difference of 6 days, 18 hours, 30 minutes or 162.5 hours or 9750 minutes or 585000 seconds; Therefore 5.6 billion gallons of lava / 585000 seconds = 9572.6 gallons of lava per second (36236.2 liters / second) average flow for approximately the first week. Lava specific weight is about 3100 kg/m3 therefore flow rate is ~112 metric tons per second. https://www.topster.net/calendar/zeitrechner.php?styp=zeit&sdatum=2020-12-20&szeit=21%3A30&typ=zeit&edatum=2020-12-27&ezeit=16%3A00&subDazu=%2B&jahredazu=0&wochendazu=0&tagedazu=13&zeitdazu=00%3A00%3A00

This presentation may contain unintentional errors. For official data please refer to the USGS.gov website. Attribution: Volcano Hazards Program Office, Hawaiian Volcano Observatory, Kīlauea
ANR Music, Helicopter and wind sounds from YouTube Audio Library for creators.

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