Volcanoes

great sitkin july 22 2021 SWIR sentinel 2 f

Magma rising at Great Sitkin volcano, Alaska

A lava dome-like feature formed in the summit crater of Great Sitkin volcano, Alaska, suggesting magma is rising near the surface. As a result, the Alaska Volcano Observatory (AVO) has raised the Aviation Color Code to ORANGE and the Volcano Alert Level to WATCH. A...

July 24, 2021

2active volcanoes world

The Weekly Volcanic Activity Report: July 14 - 20, 2021

New activity/unrest was reported for 2 volcanoes from July 14 - 20, 2021. During the same period, ongoing activity was reported for 14 volcanoes. New activity/unrest: Suwanosejima, Ryukyu Islands (Japan) | Taal, Luzon (Philippines). Ongoing activity: Dukono,...

July 23, 2021

undersea volcano near christmas island eye of sauron f

Newly discovered undersea volcano near Christmas Island looks like the Eye of Sauron

An ancient undersea volcano was discovered 280 km (175 miles) southeast of the Christmas Islands. The volcano was discovered by CSIRO’s dedicated ocean research vessel, the RV Investigator. "Previously unknown and unimagined, this volcano emerged from our...

July 22, 2021

sirung volcano july 21 2021 f

Sirung volcano erupts, Aviation Color Code raised to Orange, Indonesia

Ash emission was observed at the Indonesian Sirung volcano, East Nusa Tenggara starting at 08:44 UTC (16:44 LT) on July 21, 2021. The last known eruption of this volcano took place in 2015, with ash rising up to 1.5 km (5 000 feet) above sea level. The best estimate...

July 21, 2021

8active volcanoes world

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

New activity/unrest was reported for 6 volcanoes from July 7 to 13, 2021. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Bagana, Bougainville (Papua New Guinea) | Krakatau, Indonesia | Pavlof, United States | Sarychev...

July 15, 2021

etna eruption 1054z july 14 2021 f

Powerful new paroxysm at Etna's Southeast Crater, Italy

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...

July 14, 2021

stromboli explosion 1319z july 14 2021 f

Major explosive eruption at Stromboli volcano, Italy

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...

July 14, 2021

semisopochnoi june 8 2021 f

Semisopochnoi Aviation Color Code raised to Orange, Alaska

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...

July 14, 2021

resumption of fissure eruption near fagradalsfjall iceland f

Resumption of fissure eruption close to Fagradalsfjall, Iceland

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...

July 11, 2021

sangay june 15 2021 f

Explosive eruption at Sangay volcano, volcanic ash up to 11 km (36 000 feet) a.s.l., Ecuador

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...

July 10, 2021

7active volcanoes world

The Weekly Volcanic Activity Report: June 30 - July 6, 2021

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...

July 08, 2021

taal volcano july 1 2021 sentinel 2 f

Short-lived phreatomagmatic eruption at Taal volcano, Alert Level remains at 3 (Magmatic Unrest), Philippines

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...

July 07, 2021

ignatiy stone mud volcano eruption july 4 2021 f

Large explosive eruption at Ignatiy Stone Bank mud volcano in Caspian Sea, Azerbaijan

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...

July 05, 2021

taal volcano july 1 2021 f

Unprecedented high volcanic SO2 degassing at Taal volcano, Philippines

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...

July 04, 2021

vog iceland june 2021 f

Vog from Fagradalsfjall completely obscures view to the volcano, Iceland

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...

July 03, 2021

etna paroxysm july 2 2021 f

Powerful paroxysmal eruptive episode at Etna, Italy

A new powerful paroxysmal episode started at Etna's Southeast Crater, late July 1, 2021, and lasted approximately 120 minutes. This was the 5th paroxysm since June 25 and the first since June 28. Strombolian activity at the Southeast Crater resumed at 22:40 UTC...

July 02, 2021

active volcanoes world

The Weekly Volcanic Activity Report: June 23 - 29, 2021

New activity/unrest was reported for 3 volcanoes from June 23 to 29, 2021. During the same period, ongoing activity was reported for 11 volcanoes. New activity/unrest: Rincon de la Vieja, Costa Rica | Sarychev Peak, Matua Island (Russia) | Suwanosejima, Ryukyu...

July 01, 2021