The activity at Guatemalan Pacaya volcano switched from explosive to predominantly effusive on April 29, 2021, with two active lava flows — one on the Southeast flank and the other on the Northwest. The new phase of increased activity comes less than a week after…
New activity/unrest was reported for 5 volcanoes from April 21 to 27, 2021. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Karymsky, Eastern Kamchatka (Russia) | Piton de la Fournaise, Reunion Island (France) |…
According to information received from the Scientists at the Belmont Volcano Observatory, there were lahar flows within the river system in the Red and Orange Volcano Hazard Zones at St. Vincent island from 09:00 to 10:00 LT on April 27, 2021. Lahar is a rapidly…
Submarine volcanoes or those deep in our oceans can release extremely powerful energy, high enough to power a continent, new research suggests. It was previously believed that underwater volcanoes were much less violent than those on land due to relatively…
Eruptive activity at Semisopochnoi has gradually increased over the last 24 hours, the Alaska Volcano Observatory (AVO) reported at 21:48 UTC on April 22, 2021. Satellite views of the volcano show a continuous plume extending 80 km (50 miles) to the south at…
New activity/unrest was reported for 5 volcanoes from April 14 to 20, 2021. During the same period, ongoing activity was reported for 18 volcanoes. New activity/unrest: Karymsky, Eastern Kamchatka (Russia) | Krysuvik-Trolladyngja, Iceland | Piton de la Fournaise,…
While the largest volcano on Earth — Mauna Loa is not erupting, rates of deformation and seismicity at the summit remain slightly elevated and above long-term background levels. Other Mauna Loa monitoring data streams show no significant change in deformation rates…
Hawaiian Kilauea volcano continues erupting since December 20, 2021, with lava activity confined to the Halemaʻumaʻu crater. On April 15, the lava lake was 227 m (745 feet) deep and remains stagnant over its eastern half. SO2 emission rates remain elevated at 950…
The Alaska Volcano Observatory (AVO) has raised the Aviation Color Code to Red and the Alert Level to Warning for Semisopochnoi volcano on Friday, April 16, 2021, after sustained ash emissions rose up to 6 km (20 000 feet) a.s.l. Satellite data suggest ash emissions…
New activity/unrest was reported for 7 volcanoes from April 7 to 13, 2021. During the same period, ongoing activity was reported for 11 volcanoes. New activity/unrest: Karymsky, Eastern Kamchatka (Russia) | Krysuvik-Trolladyngja, Iceland | Pacaya, Guatemala | Piton…
