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Consolidated "Big Island Volcano/Lava Flows & Lava Viewing" Thread [Dec 2020-Forward]

Consolidated "Big Island Volcano/Lava Flows & Lava Viewing" Thread [Dec 2020-Forward]

Old Jun 5, 14, 1:41 pm
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Consolidated "Big Island Volcano/Lava Flows & Lava Viewing" Thread [Dec 2020-Forward]

::Moderator Note::

This thread deals with Madam Pele's latest eruptive phase over at Kilauea and Mauna Loa on the Big Island of Hawaii.

Prior posts dating before the December 2020 eruption have been archived in read-only format here:
http://www.flyertalk.com/forum/hawai...ng-thread.html

People wishing to view the lava flows from Mauna Loa should view https://www.flyertalk.com/forum/34800202-post33.html

Aloha,

slippahs
Hawaii forum co-moderator

Last edited by FlyinHawaiian; Yesterday at 7:42 pm
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Old Dec 21, 20, 5:30 am
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December 20 Eruption in Halemaʻumaʻu Crater

"Shortly after approximately 9:30 p.m. HST, the USGS Hawaiian Volcano Observatory (HVO) detected glow within Halemaʻumaʻu crater at the summit of Kīlauea Volcano. An eruption has commenced within Kīlaueas summit caldera."

https://www.usgs.gov/center-news/pho...cember-20-2020
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Old Dec 21, 20, 8:56 pm
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Madame Pele is clearly disturbed and is signaling the COVID infested Haoles to keep away ... Far far away.
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Old Dec 22, 20, 4:58 am
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Originally Posted by Eastbay1K View Post
Madame Pele is clearly disturbed and is signaling the COVID infested Haoles to keep away ... Far far away.
It has the opposite effect. The park was crazy busy tonight. I was there moments before they closed it down in May 2018 for that eruption event...and I'd say the parking/traffic for tonight was worse, although some places with parking are closed (Thurston Lava Tube due to COVID and Jaggar Museum due to 2018 eruption damage.)


View from summit.
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Old Dec 22, 20, 5:35 pm
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For the haoles with network connections and others who want to watch, USGS HVO has a few webcams that are operational:

https://www.usgs.gov/volcanoes/kilauea/summit-webcams

David

edit: Some images over the past two days from USGS (Kīlauea - Photo and Video Chronology (usgs.gov)):





Note: as of this morning (12/22/20), lava lake is already 440 ft (134 m) deep...
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Last edited by DELee; Dec 23, 20 at 9:36 am
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Old Dec 22, 20, 11:05 pm
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Originally Posted by Weatherboy View Post
It has the opposite effect. The park was crazy busy tonight. .................
Were the majority wearing a mask?

Originally Posted by DELee View Post
For the haoles with network connections and others who want to watch, USGS HVO has a few webcams that are operational:

https://www.usgs.gov/volcanoes/kilauea/summit-webcams

.....
Please fix this link. Mahalo, haole.

Last edited by FlyinHawaiian; Dec 23, 20 at 1:07 pm Reason: consecutive posts merged
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Old Dec 23, 20, 9:39 am
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Originally Posted by philemer View Post
Please fix this link. Mahalo, haole.
Fixed. Sorry about that C&P error.

Here's the updated/correct link again: https://www.usgs.gov/volcanoes/kilauea/summit-webcams

And the latest thermal image from the lava pool:



and the path to the webcam's latest image(s) as they are captured every 10 minutes: https://volcanoes.usgs.gov/observato...m/images/M.jpg

In the image above, the dark mass in the middle of the lava pool is a floating island of rock that's sufficiently buoyant that it bobs around the pool. Temperature scale appears to be in degrees Celsius/Centigrade.​​​​

Here's a path to the past 24 hour gif loop of the webcam image collection if you want to watch the rock island bob around as lava flows into the pool: https://volcanoes.usgs.gov/observato...ages/F1cam.gif

David
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Last edited by DELee; Dec 23, 20 at 9:47 am
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Old Dec 23, 20, 6:23 pm
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USGS HVO posted the following image from this morning (approx. 0800 HST 12/23/20) that more clearly shows the two visible vents from which lava continues to fountain and flow:



At that time, they calculate/estimate that the lava lake was 515 ft (156 m) deep and continues to grow...

And, just to show that the caldera is outputting much stuff, here's a solar panel that's supposed to power one of the monitoring stations adjacent to the crater that's been covered in ~0.5 in (1 cm) in tephra and not terribly operational at this point (photo is from yesterday 12/22/20):



One other estimate is that the eruption is generating 30,000 tonnes (metric tons)/day of sulfur dioxide. Wonder if any folks on BI are getting vog'd.

David

Last edited by DELee; Dec 23, 20 at 6:55 pm
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Old Dec 24, 20, 1:58 am
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Originally Posted by philemer View Post
Were the majority wearing a mask?
Other than park rangers directing traffic, I was the only one I saw wearing a mask.
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Old Dec 26, 20, 12:09 am
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USGS shot of the lava lake taken 12/25/20 @ ~6 PM HST:



The two visible lava vents (intermittent output from NW on the left and slowly drowning continuous flow from the N vent) are shown.

Estimates from USGS as of 12/25/20 AM were that the lava lake was 577 ft (176 m) deep and encompasses a volume of 27 million cubic yards or 4.8 billion gallons (21 million cubic meters).

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Old Dec 28, 20, 10:20 am
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Originally Posted by philemer View Post
Were the majority wearing a mask?
Originally Posted by Weatherboy View Post
Other than park rangers directing traffic, I was the only one I saw wearing a mask.
We felt the earthquake at our Hilo AirBnb. Fortunately, we were booked in Volcano Village for 12/21 and 12/22 - what luck! Explored the park extensively and our experience was that mask compliance was nearly universal when social distancing wasn't possible. On the Kilauea Iki trail for instance most people took off masks on the narrow, rain forest section but put them back on when passing others. On the crater floor section it was hot and most people were maskless but gave others a wide berth. We felt this was very safe. At sunset on 12/22 at the steam vent overlook the parking lot was overflowing and of the hundreds of people there we saw one family and a couple without masks. Social distancing was impossible with so many people in close quarters. IMO, Hawaii is doing a great job with covid-19.

Last edited by FlyinHawaiian; Dec 28, 20 at 11:23 am Reason: repaired broken quote
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Old Dec 31, 20, 1:05 am
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Evolution of the new lava lake during the past 9 days from IR/thermal imagery:



Lava lake depths: December 21: 88 m (289 ft); December 22: 134 m (440 ft); December 26: 176 m (577 ft); December 30: 182 m (597 ft)

Temp color scale: white (> 600 C), yellow (500 C), orange (400 C), purple (300 - 200 C), darker colors (colours) (> 100 C)

Source: USGS HVO

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Old Jan 2, 21, 10:16 pm
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Early AM shot from USGS taken 01/02/21:



Lava lake was 189 m (620 ft) deep at that point.

Kinda want to see what happens if the solidified island will actually float into the active flow:




Also, link to the past 24 hour GIF series: https://volcanoes.usgs.gov/observato...ages/F1cam.gif

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Old Jan 8, 21, 3:02 am
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Well, as of this evening (01/07/21 HST), the large island has continued to refuse to do what I suggested and is floating back (slowly) to the other end of the lake...



Wonder if it will now go after those smaller islands...

David
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Old Jan 8, 21, 1:54 pm
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USGS HVO posted the following comparison of lava lake islands - one from 1917 and the other from 2021:



Caption for top image from 1917 indicates that island was 100 m (330 ft) wide. 2021 island is 250 m (820 ft) wide. Both are stated as having been/is 20 m (65 ft) tall.

Source: https://www.usgs.gov/media/images/is...lake-2017-2021

David

p.s. FWIW, the text that accompanies the 1917 image from the following (Volcano Art at Hawaiʻi Volcanoes National ParkA Science Perspective) states that Jagger "and his able henchman Alex made a successful trip across Halemaumau. The Boat was made of Asbestos re-inforced by armor plate, and had many lava proof compartments. The Hero is seen standing confidently in the middle of the Boat, attired in a fire resisting suit of his own design with one arm resting lightly on his Lava Pick, while with the other hand he gracefully indicates the passages to his henchman in the rear." See figure below:

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Last edited by DELee; Jan 8, 21 at 2:01 pm
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