The Weekly Volcanic Activity Report: July 30-August 5, 2026
New activity/unrest was reported for 4 volcanoes from July 30-August 5, 2026. During the same period, ongoing activity was reported for 18 volcanoes.
Etna opens new vent in Valle del Bove after intense lava fountaining, ash disrupts Catania airport, Italy
Strong Strombolian activity continued at Etna’s Voragine crater at 10:38 LT (08:38 UTC) on August 7, 2026, after an overnight lava-fountain phase progressively weakened. The National Institute of Geophysics and Volcanology (INGV) reported ashfall at Ragalna and Adrano, lava flows in Valle del Leone and a new eruptive vent in Valle del Bove, while incoming flights at Catania Airport were temporarily suspended.
Strong eruption at Fuego volcano produces pyroclastic flows up to 7 km, prompting evacuations, Guatemala
Activity at Guatemala’s Volcán de Fuego intensified on August 3, 2026, producing pyroclastic density currents that traveled 5 to 7 km (3 to 4 miles) through the Seca ravine. The eruption entered a paroxysmal phase late that evening, with lava fountains reaching 200 to 300 m (650 to 1 000 feet) above the crater, before currents expanded into five ravines early on August 4. SE-CONRED declared an Institutional Orange Alert, and authorities ordered preventive evacuations in El Porvenir, Las Lajitas and nearby communities.
The Weekly Volcanic Activity Report: July 23-29, 2026
New activity/unrest was reported for 6 volcanoes from July 23-29, 2026. During the same period, ongoing activity was reported for 20 volcanoes.
Etna eruption intensifies, Aviation Color Code raised to Red
Strombolian activity at Mount Etna’s Voragine Crater increased rapidly during the early hours of July 30, 2026, following a sharp increase in volcanic tremor. The eruption generated an ash plume reaching 7 km (23 000 feet) above sea level, prompting Etna Observatory to raise the Aviation Color Code to Red.
Eruptive episode 52 begins at Kīlauea volcano, Hawaii
Kīlauea’s ongoing summit eruption entered Episode 52 at 19:10 HST (05:10 UTC on July 29), July 28, 2026, as sustained lava fountaining began from the north vent inside Halemaʻumaʻu crater, prompting the U.S. Geological Survey’s Hawaiian Volcano Observatory (HVO) to raise the volcano’s Alert Level from ADVISORY to WATCH and its Aviation Color Code from YELLOW to ORANGE.
The Weekly Volcanic Activity Report: July 16-22, 2026
New activity/unrest was reported for 5 volcanoes from July 16-22, 2026. During the same period, ongoing activity was reported for 17 volcanoes.
Tokachidake volcano erupts for first time since 2004, Japan
The Japan Meteorological Agency (JMA) confirmed a very small eruption at Tokachidake’s 62-2 crater at 11:07 LT (02:07 UTC) on July 22, 2026, the volcano’s first eruption since February 2004. A black plume rose approximately 200 m (656 feet) above the crater rim, while Volcanic Alert Level 2 remained in effect. Tokachidake is located in central Hokkaido, on Japan’s northernmost main island, approximately 900 km (560 miles) north-northeast of Tokyo.
The Weekly Volcanic Activity Report: July 9-15, 2026
New activity/unrest was reported for 5 volcanoes from July 9-15, 2026. During the same period, ongoing activity was reported for 23 volcanoes.
AVO raises alert level for Korovin after small phreatic explosion, Alaska
The Alaska Volcano Observatory (AVO) raised the Aviation Color Code for Korovin Volcano to Yellow and the Volcano Alert Level to Advisory after instruments detected a small phreatic explosion at 03:55 AKDT (11:55 UTC) on July 16, 2026.
