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File:Mauna Loa light pillar.jpg

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English: This Image of the Week shows the lava flows from Mauna Loa caught by one of the International Gemini Observatory’s Cloudcams, which operates 24/7 near the snow-covered summit of Maunakea (the highest point in the image).  Mauna Loa, on the island of Hawaiʻi, began erupting on 27 November 2022, when lava emerged from fissures in Moku‘āweoweo, Mauna Loa's caldera at the summit. The reddish glow from theflows can be seen across the island. Mauna Loa is the world's largest active volcano and has not erupted in nearly 40 years.  The image was taken in the early morning at 02:15 am local time on 29 November. This eruption is being watched closely by all inhabitants of the island of Hawaiʻi. Staff atGemini North, operated by NSF's NOIRLab, and the other Maunakea Observatories are monitoring with bated breath as the flows move down the flank of Mauna Loa towards the Daniel K. Inouye Highway (Saddle Road), which intersects with the Maunakea summit access road. On Mauna Loa itself, lava has crossed the access road, and cut off power, to NOAA's Mauna Loa Observatory. The eruption poses no threat to the Maunakea observatories and the flow remains far from any habitation at the moment. Also seen in the image is an exceptionally rare lava light pillar. More commonly seen as a sun pillar, thisatmospheric phenomenon has been seen associated with a volcano on rare occasion but requires an alignment of circumstance: obviously an erupting volcano (which provides the source of light near to the horizon), but also a high altitude cloud and freezing temperatures. These form a collection of millions of horizontally floating ice crystals to reflect the light towards the observer. The Gemini Cloudcams have caught many exceptional phenomena on camera over the past few years.
Español: Esta Imagen de la Semana muestra los flujos de lava del Mauna Loa capturados por una de las Cloudcams del Observatorio Internacional Gemini, que funciona las 24 horas del día cerca de la cumbre nevada de Maunakea (el punto más alto de la imagen).

Mauna Loa, en la isla de Hawai‘i, comenzó a hacer erupción el 27 de noviembre de 2022, cuando la lava emergió de las fisuras de Moku‘āweoweo, la caldera volcánica del Mauna Loa en la cumbre. El brillo rojizo de los flujos de lava puede verse en toda la isla. Mauna Loa es el volcán activo más grande del mundo y no ha hecho erupción en casi 40 años.

Esta imagen se tomó en la madrugada del 29 de noviembre a las 02:15 am (hora local). Todos los habitantes de la Isla de Hawai‘i están observando de cerca esta erupción. El personal de Gemini Norte, operado por NOIRLab de NSF, y los demás Observatorios de Maunakea siguen con gran expectación los flujos de lava que bajan por el flanco del Mauna Loa hacia la ruta Daniel K. Inouye (Saddle Road), que intersecta con el camino que lleva a la cumbre de Maunakea. En el propio Mauna Loa, la lava ha cruzado el camino de acceso y cortó el suministro eléctrico en el Observatorio NOAA de Mauna Loa. La erupción no supone por el momento un riesgo para los observatorios de Maunakea y hasta ahora el flujo permanece lejos de lugares habitados.

En esta imagen también se puede apreciar un pilar de luz de lava demasiado raro. Los pilares solares son más comunes de ver, pero en raras ocasiones este fenómeno atmosférico se ha visto asociado a un volcán, pues requiere de una alineación de circunstancias: obviamente un volcán en erupción (que proporciona una fuente de luz cerca del horizonte), pero también una nube de gran altitud y temperaturas congeladas. Todo lo anterior forma un conjunto de millones de cristales de hielo suspendidos en la atmósfera que reflejan la luz hacia el observador.

Las Cloudcams de Gemini han capturado muchos fenómenos excepcionales en los últimos años.
Date
Source https://noirlab.edu/public/images/iotw2248a/
Author International Gemini Observatory/NOIRLab/NSF/AURA

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Mauna Loa lava and light pillar caught on camera from Gemini North

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30 November 2022

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current02:56, 1 December 2022Thumbnail for version as of 02:56, 1 December 20223,888 × 2,592 (1.43 MB)Yiseth RomeroUploaded a work by International Gemini Observatory/NOIRLab/NSF/AURA from https://noirlab.edu/public/images/iotw2248a/ with UploadWizard

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