Heightened unrest continues under Mauna Loa, with two moderately strong earthquakes within 24 seconds on October 14, 2022, and a string of aftershocks that are still taking place. The unrest is likely caused by renewed input of magma into Mauna Loa’s summit reservoir system. The Alert Level remains at Advisory and the Aviation Color Code at Yellow.
Increased activity under Bulusan volcano, Philippines prompted PHIVOLCS to raise the Alert Level for the volcano from 0 to 1 on October 13, 2022.
A red glow appeared at the top of Nyiragongo volcano in the Democratic Republic of Congo on October 11, 2022, after a rapid magmatic supply to its crater. The Alert Level remains at Yellow.
New activity/unrest was reported for 8 volcanoes from October 5 to 11, 2022. During the same period, ongoing activity was reported for 20 volcanoes.
A new glacial flood started at Grímsvötn, a subglacial volcano under Vatnajökull, Iceland, on October 10, 2022, prompting authorities to raise the Aviation Color Code to Yellow and announce the State of Uncertainty.
Observation and gas flights have confirmed that the active vent at White Island/Whakaari volcano in New Zealand continues emitting very vigorous steam and gas plume. The Volcanic Alert Level remains at 2.
Pyroclastic flows and lava overflow were observed on the Sciara del Fuoco, Stromboli volcano on October 9, 2022.
Activity under Bulusan volcano, Philippines increased on October 6, 2022. While the volcano is still on Alert Level 0 (Normal), this is subject to change should current activity persist.
PHIVOLCS raised the Alert Level for Mayon volcano from 1 to 2 on October 7, 2022. The current unrest is driven by shallow magmatic processes that could eventually lead to phreatic eruptions or even precede hazardous magmatic eruption.
New activity/unrest was reported for 5 volcanoes from September 28 to October 4, 2022. During the same period, ongoing activity was reported for 20 volcanoes.
