A new powerful paroxysmal eruptive episode (lava fountaining) took place at Etna volcano, Italy on July 14, 2021. The Aviation Color Code was raised to Red at 10:22 UTC. Estimated volcanic cloud height rose to more than 9 km (29 500 feet) above sea level at 11:43…
A major explosive eruption took place at Stromboli volcano, Italy at 13:19 UTC on July 14, 2021. Volcanic material fell back to Sciara del Fuoco and reached the Pizzo area. From a seismic point of view, this explosive event was clearly visible at all Stromboli…
The Alaska Volcano Observatory (AVO) has raised the Aviation Color Code for Semisopochnoi volcano to Orange and the Volcano Alert Level to Watch on July 12, 2021. The decision was made due to the onset of continuous volcanic tremors and detections of explosive…
The fissure eruption in the western part of the Krýsuvík-Trölladyngja volcanic system, close to Fagradalsfjall on the Reykjanes Peninsula, Iceland, periodically continued since the start of July. Lava fountaining and overflows from the fifth vent…
A strong explosive eruption took place at Sangay volcano, Ecuador at 23:15 UTC on July 9, 2021. Volcanic ash dispersed by 06:40 UTC on July 10. According to the Washington VAAC, volcanic ash to 11 km (36 000 feet) above sea level was extending 45 km (28 miles) NE of…
New activity/unrest was reported for 6 volcanoes from June 30 to July 6, 2021. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Copahue, Central Chile-Argentina border | Krakatau, Indonesia | Rincon de la Vieja, Costa Rica…
A short-lived phreatomagmatic eruption took place at Taal's Main Crater at 21:18 UTC on July 6, 2021 (05:18 LT, July 7), generating a grayish plume that rose 300 m (985 feet) before drifting southeast. On July 4, sulfur dioxide (SO2) gas emission reached an…
A large explosive eruption took place at Azerbaijani Ignatiy Stone Bank mud volcano in the Caspian Sea, about 10 km (6.2 miles) from the Umid gas field and 30 km (18 miles) from the coast, at around 17:45 UTC (21:45 LT) on Sunday, July 4, 2021. This region has…
The highest levels of volcanic sulfur dioxide or SO2 gas emission were recorded today, July 4, 2021, at an average of 22 628 tonnes/day — representing the highest ever recorded over Taal, PHIVOLCS reports. The previous record was set on June 28, 2021, with 14 326…
Volcanic smog (vog) is a visible haze comprised of gas and an aerosol of tiny particles and acidic droplets created when sulfur dioxide (SO2) and other gases emitted from a volcano chemically interact with sunlight and atmospheric oxygen, moisture, and dust. Called…
