The Weekly Volcanic Activity Report: May 1 – 7, 2024
New activity/unrest was reported for 6 volcanoes from May 1 to 7, 2024. During the same period, ongoing activity was reported for 16 volcanoes.
Magma buildup raises risk of intensified eruption or new fissures in Iceland’s Reykjanes Peninsula
The Icelandic Met Office reports ongoing magma accumulation and land rise in Svartsengi, indicating a heightened risk for intensified volcanic activity or the formation of new fissures in the Reykjanes Peninsula.
Aerial footage captures aftermath of major eruptions at Ruang volcano, Indonesia
On May 5, 2024, Indonesia’s volcanology agency, PVMGB, released aerial footage of the Ruang volcano following a series of powerful eruptions that have dramatically reshaped the landscape and forced nearly 10 000 people to evacuate permanently.
Permanent relocation of 9 800 people after series of powerful eruptions at Ruang volcano, Indonesia
The Indonesian government has decided to permanently relocate 9 800 people living within 7 km (4.3 miles) of Ruang volcano, North Sulawesi, following a series of significant volcanic eruptions that began on April 16, 2024.
The Weekly Volcanic Activity Report: April 24 – 30, 2024
New activity/unrest was reported for 6 volcanoes from April 24 – 30, 2024. During the same period, ongoing activity was reported for 22 volcanoes.
Major eruption at Ruang volcano, ash to 19.2 km (63 000 feet) a.s.l., Indonesia
Another high-level eruption started at Indonesia’s Ruang volcano at 18:15 UTC on April 29, 2024 (01:15 LT, April 30), producing an ash column to an estimated height of about 19.2 km (63 000 feet) above sea level. Authorities raised the Alert Level to 4 and the Aviation Color Code to Red. This powerful eruption comes just 2 weeks after a similar eruption on April 16.
Significant ground deformation triggers Yellow alert at Puyehue-Cordón Caulle volcanic complex, Chile
The Puyehue-Cordón Caulle Volcanic Complex in Chile was placed under a Yellow alert at 20:00 UTC on April 26, 2024. This decision followed observations of increased ground deformation linked to an active inflation zone, located 6 km (3.7 miles) west-northeast of the 2011 eruption site. Monitoring data have shown the highest deformation rates since measurements began, reaching up to 2.4 cm (0.95 inches) per month.
Increased eruptive activity, high sulfur dioxide emissions at Tofua volcano, Tonga
Volcanic activity increased at Tonga’s Tofua volcano at 09:56 LT on April 26, 2024, with very intense thermal emission detected by MIROVA.
The Weekly Volcanic Activity Report: April 17 – 23, 2024
New activity/unrest was reported for 5 volcanoes from April 17 – 23, 2024. During the same period, ongoing activity was reported for 18 volcanoes.
Increased seismic activity under Kilauea volcano, Hawaii
Over the past three weeks, Kilauea volcano in Hawaii has exhibited increased seismic activity, with fluctuations in shallow and deep earthquakes at the summit. The Hawaiian Volcano Observatory reports sustained low sulfur dioxide emissions and continuous monitoring due to this heightened state of unrest.
