Volcanic ash from Ulawun volcano reaches 18.2 km (60 000 feet) a.s.l., P.N.G.

At approximately 06:30 UTC on November 20, 2023, Papua New Guinea’s Ulawun volcano experienced a violent eruption, sending volcanic ash as high as 18.2 km (60 000 feet) above sea level.

The Aviation Color Code was raised to Red and the Alert Level to 4 (highest). Despite widespread rumors, no tsunami warnings have been issued for the surrounding regions, including Japan and Australia.

Heavy ashfall was experienced in different locations, including Soi, Kabay and Navo on the northern coast of New Britain.

Nella giornata di ieri un'intensa eruzione esplosiva si è verificata in cima all'#Ulawun, uno dei vulcani maggiormente attivi della Papua Nuova Guinea. Nella fase più intensa si è formata una colonna eruttiva che ha raggiunto una quota di 18 km 🧵 pic.twitter.com/t8WDeMMHcB

— Il Mondo dei Terremoti (@mondoterremoti) November 21, 2023

As of 13:00 UTC on November 21, the Aviation Color Code remains Red.

According to Darwin VAAC, weak emissions moving WNW of the summit may be ongoing. Volcanic ash to 18.2 km (60 000 feet) a.s.l. is no longer discernible on satellite imagery and is expected to have dissipated.

Read more:

Major eruption at Ulawun volcano triggers highest Alert Level, ash reaches 18.3 km (60 000 feet) a.s.l., P.N.G.

Featured image credit: Il Mondo dei Terremoti (stillshot)