Increased activity at Anak Krakatau volcano, Indonesia
Indonesia’s Anak Krakatau volcano experienced an increase in activity over the past 12 hours, resulting in three intense eruptions from late March 27 to early March 28, 2023.
Increased activity at Lewotolo volcano, Indonesia
The activity at Lewotolo volcano, located in the Lesser Sunda Islands of Indonesia, intensified over the weekend. The Alert Level remains at 2 (on a scale of 1 – 4), and the public is warned to stay 2 km (1.2 miles) away from the summit crater.
The Weekly Volcanic Activity Report: March 15 – 21, 2023
New activity/unrest was reported for 5 volcanoes from March 15 – 21, 2023. During the same period, ongoing activity was reported for 21 volcanoes.
Savo volcano monitoring intensifies amid signs of awakening, Solomon Islands
The Geology Survey Division (GSD) of the Ministry of Mines and Energy has heightened its monitoring of the Savo volcano in Central Province, following recent signs of abnormal seismic activity. While officials urge the public not to panic, they advise staying informed about further developments and following safety information and warnings.
Vigorous eruption at Nevado del Ruiz, Colombia
A vigorous eruption took place at Nevado del Ruiz volcano, Colombia at 14:02 UTC on March 20, 2023. The Alert Level remains at 3 (Yellow — the second lowest level on a four-color scale). The last major eruption of this volcano occurred in 1985 and resulted in the deaths of over 20 000 people due to lahars.
The Weekly Volcanic Activity Report: March 8 – 14, 2023
New activity/unrest was reported for 5 volcanoes from March 8 to 14, 2023. During the same period, ongoing activity was reported for 15 volcanoes.
Eruption at Nyamulagira volcano – 4.5 km (15 000 feet) a.s.l. plume, Aviation Color Code Red, DR Congo
The Goma Volcanic Observatory (OVG) has reported an eruption of the Nyamulagira volcano, also known as Nyamuragira, in the Democratic Republic of the Congo. A plume was observed rising 1 500 m (4 900 feet) above the summit, reaching an altitude of 4.5 km (15 000 feet) above sea level.
Major eruption at Merapi volcano produces very large pyroclastic flow, Indonesia
A powerful eruption took place at Indonesia’s Merapi volcano at 05:12 UTC on March 11, 2023, producing massive pyroclastic flow near populated areas and blanketing nearby villages in ash. There were no immediate reports of casualties. The Alert Level remains at 3 (on a scale of 1-4), and the public is warned to stay 3 – 7 km (1.8 – 4.3 miles) away from the summit based on location.
Small earthquake swarm at Katla volcano, Iceland
A small earthquake swarm started at Katla volcano, beneath the Myrdalsjökull icecap in Iceland, on March 9, 2023. The last confirmed eruption at this volcano took place in 1918 (VEI 4).
AVO raises alert level for Tanaga and Takawangha volcanoes amid increased seismic activity, Alaska
Active seismic activity beneath the Tanaga and Takawangha volcanoes on Tanaga Island, Alaska, approximately 8 kilometers (5 miles) apart, has increased the potential for eruption, according to official reports from the Alaska Volcano Observatory (AVO).
