Volcanoes

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Elevated seismicity and deformation at the summit of Mauna Loa volcano, Hawaii

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...

April 16, 2021

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Lava activity at Kilauea confined to Halemaʻumaʻu, erupting on the northwest side of the crater, Hawaii

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...

April 16, 2021

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Sustained ash emissions at Semisopochnoi volcano, Aviation Color Code raised to Red, Alaska

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...

April 16, 2021

5active volcanoes world

The Weekly Volcanic Activity Report: April 7 - 13, 2021

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...

April 14, 2021

alaska volcanic eruption 2009

Detecting significant thermal unrest years before volcanic eruption

Scientists at NASA’s Jet Propulsion Laboratory (JPL) and the University of Alaska (UA) have developed a new method that may lead to earlier predictions of volcanic eruptions. There are telltale warning signs that a volcano is likely to erupt in the future,...

April 14, 2021

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Persistent magmatic activity at shallow depths beneath Taal volcano, Philippines

In 24 hours to 00:00 UTC on April 14, the Taal Volcano Network recorded 383 volcanic earthquakes, including 238 episodes of volcanic tremor with durations of 1 to 12 minutes, 143 low-frequency volcanic earthquakes, and low-level background tremor that started at...

April 14, 2021

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New massive eruption at Soufriere St. Vincent, SO2 emissions spreading over two continents

A new high-level, major eruption took place at Soufriere St. Vincent volcano at 10:40 UTC on April 13, 2021. The SO2 emissions produced over the past 2 days are now spreading over two continents -- South America and Africa. Extremely heavy ash is covering the island...

April 13, 2021

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Effusive eruption continues at Piton de la Fournaise volcano, lava reaches Piton le Bonnet, Reunion

The effusive eruption at Piton de la Fournaise volcano, Reunion continues from a new eruptive fissure on the southern flank of Enclos depression. The eruption started at around 15:00 UTC on April 9, 2021, following several hours of intense seismicity. The Alert...

April 13, 2021

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New drone views of volcanic eruption in Iceland

A fourth fissure opened at the Fagradalsfjall eruption site in Iceland on April 10, 2021. The fissure is located halfway between those that opened on April 5 and 7. Luckily, conditions allowed residents to return close to the volcano over the weekend and produce a...

April 11, 2021

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Massive power outage following another explosive event at La Soufriere volcano, ash rising up to 16 km (52 000 feet) a.s.l., St. Vincent

The majority of St. Vincent and the Grenadines is without power and covered in ash on April 11, 2021, following another explosive event at La Soufriere volcano. Volcanic ash is rising up to 16 km (52 000 feet) above sea level and extending up to 3 000 km (1 850...

April 11, 2021

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Vincentians waking up to extremely heavy ashfall and strong sulfur smell, St. Vincent and the Grenadines

Vincentians are waking up to extremely heavy ashfall and strong sulfur smell which have now advanced to the capital after powerful explosive eruptions started at La Soufriere volcano on April 9, 2021. The last eruption of this volcano started on April 13, 1979 (VEI...

April 10, 2021

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Powerful explosive eruption at La Soufriere volcano, ash to 12 km (40 000 feet) a.s.l., St. Vincent and the Grenadines

A powerful explosive eruption took place at La Soufriere volcano, St. Vincent and the Grenadines at 12:41 UTC (08:41 LT) on April 9, 2021, producing an ash column that rose up to 12 km (40 000 feet) above sea level. This is a culmination of the seismic activity that...

April 09, 2021

4active volcanoes world

The Weekly Volcanic Activity Report: March 31 - April 6, 2021

New activity was reported for 6 volcanoes from March 31 to April 6, 2021. During the same period, ongoing activity was reported for 17 volcanoes. New activity/unrest: Karymsky, Eastern Kamchatka (Russia) | Krysuvik-Trolladyngja, Iceland | Pacaya, Guatemala |...

April 09, 2021

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Red alert issued for La Soufriere volcano, evacuation ordered, St. Vincent and the Grenadines

Scientists monitoring La Soufriere volcano in St. VIncend and the Grenadines have observed a significant increase in activity at the volcano on April 8, 2021, which has prompted The Government of Saint Vincent and the Grenadines to raise the volcanic alert level to...

April 09, 2021

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More than 67 killed after lahar from Mount Lewotolo hits two villages, Indonesia

Torrential rains dumped by Tropical Storm "Seroja" produced deadly lahar on the slopes of Mount Lewotolo volcano early April 4, 2021. According to the AAP, the total number of casualties attributed to Seroja rose to 155 as of early Monday, April 6. 72...

April 06, 2021

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New fissures open near the eruption site in Geldingadalir, Iceland

Two new volcanic fissures opened near the eruption site in Geldingadalir, Iceland on April 5, 2021. Helicopters from the Icelandic Coast Guard were sent to the new eruption site to make sure the area is evacuated. The fissures are in total 200 m (656 feet) long and...

April 06, 2021

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New earthquake swarm at La Soufriere volcano, St. Vincent and the Grenadines

A new earthquake swarm was detected at the La Soufrière Volcano, St. Vincent and the Grenadines on April 5, 2021. The swarm was much more intense than the one detected from March 23 to 25. The alert level remains at Orange. The new swarm of Volcano-Tectonic...

April 06, 2021