Volcanoes

etna september 15 2019 f

Strombolian explosions every 3 - 5 minutes, new scoria cone growing in the crater, Mount Etna

Eruption continues at Mount Etna's Voragine crater with strombolian explosions every 3 to 5 minutes. The explosions are ejecting coarse-grained material, which rises to several tens of meters above the crater rim, with some products falling onto the rims and...

September 16, 2019

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Strong explosion at Sakurajima volcano, Japan

A relatively strong explosion took place at Sakurajima volcano, Aira caldera, Japan at 22:46 UTC on September 15, 2019 (07:46 LT, September 16). According to the Tokyo VAAC, the ash plume is reaching 4 000 m (13 000 feet) above sea level, extending SW. This is 2 880...

September 16, 2019

why purple sky colorado

Purple Colorado sky caused by Raikoke volcano eruption in Russia

Researchers from the University of Colorado Boulder revealed that the purple sky seen in the state was due to the eruption that occurred on Raikoke volcano in Russia, located 7 535 km (4 682 miles) away, on June 22, 2019. The team, composed of atmospheric scientists...

September 15, 2019

9active volcanoes world

The Weekly Volcanic Activity Report: September 4 - 10, 2019

New activity/unrest was reported for 1 volcano from September 4 to 10, 2019. Ongoing activity was reported for 19 volcanoes during the same period. New activity/unrest: Villarrica, Chile Ongoing activity: Aira, Kyushu (Japan) | Asosan, Kyushu (Japan) | Copahue,...

September 12, 2019

villarrica september 10 2019 sernageomin f

Villarrica volcano Alert Level raised to Orange for the first time since 2015, Chile

Sernageomin has raised the Alert Level for Villarrica volcano to Orange on September 9, 2019 and shared evacuation maps showing different meeting points for each nearby community before a possible eruption. The last major eruption at Villarica took place in 2015....

September 10, 2019

etna september 9 2019 f

Strombolian activity, high levels of volcanic tremor at Etna, Italy

Strombolian activity is still taking place at Etna's Northeast Crater, producing a diluted ash plume that disperses near the summit area, INGV reports. The volcanic tremor amplitude remains high. After 08:50 UTC on September 9, 2019, there has been a further...

September 10, 2019

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Etna getting more restless, values comparable to those seen shortly before the December 2018 eruption, Italy

The mean volcanic tremor amplitude at Etna volcano, Italy is showing an increasing trend, the Istituto Nazionale di Geofisica e Vulcanologia, Osservatorio Etneo, reported September 6. Sounds characteristic of Strombolian activity and spattering have been heard this...

September 06, 2019

lake ilopango el salvador f

Scientists trace source of massive Iron age volcanic eruption that triggered global cooling

Scientists have discovered that Lake Ilopango, the caldera of Ilopango volcanic complex, El Salvador was the source of the strongest volcanic eruption in the last 7 000 years that resulted in global cooling, affecting crops worldwide. According to National...

September 04, 2019

active volcanoes world

The Weekly Volcanic Activity Report: August 28 - September 3, 2019

New activity/unrest was reported for 1 volcano from August 28 to September 3, 2019. During the same period, ongoing activity was reported for 21 volcanoes. New activity/unrest: Stromboli, Aeolian Islands (Italy) Ongoing activity: Aira, Kyushu (Japan) | Asosan,...

September 04, 2019

yellowstone lake september 4 2019 0710z mdt f

August 2019 was another record-setting month for Steamboat geyser, Yellowstone volcano, USA

August 2019 was another record-setting month for Steamboat geyser, which experienced water eruptions on August 12, 20, and 27. The August 27 eruption was the 33rd of 2019, breaking the record for eruptions in a calendar year that was set in 2018, the Yellowstone...

September 04, 2019

stromboli volcano eruption august 28 2019

Detailed analysis of violent explosive eruption of Stromboli volcano on August 28, Italy

A new, violent, high-intensity explosive eruption started at Stromboli volcano at 10:17 UTC on August 28, INGV reports in a detailed analysis of the event. It was a new paroxysmal event that produced an eruption column up to 4 km (13 123 feet) above the summit area....

August 30, 2019

sheveluch eruption so2 august 29 2019 f

Strong eruption at Sheveluch volcano on August 29, ash to 10.3 km (34 000 feet) a.s.l., Russia

A strong eruption took place at Russian Shiveluch volcano at 00:57 UTC on August 29, 2019, producing an ash column up to 10.3 km (34 000 feet) above sea level. Sheveluch is one of Kamchatka's largest and most active volcanic structures. Volcanic ash emissions...

August 29, 2019

2active volcanoes world

The Weekly Volcanic Activity Report: August 21 - 27, 2019

New activity/unrest was reported for 5 volcanoes between August 21 and 27, 2019. Ongoing activity was reported for 16 volcanoes. New activity/unrest: Asamayama, Honshu (Japan) | Shishaldin, Fox Islands (USA) | Stromboli, Aeolian Islands (Italy) | Tangkubanparahu,...

August 29, 2019

stromboli eruption august 28 2019 f

Major explosion at Stromboli volcano, Aviation Color Code Red, Italy

A major paroxysmal eruption took place at Stromboli volcano, Italy at around 10:17 UTC on August 28, 2019. The explosion has affected the central-southern area of the crater terrace, INGV said. The products generated by the explosion spread throughout the terrace...

August 28, 2019

asamayama

Another small eruption at Asamayama volcano, Japan

Another small eruption took place at Japan's Asamayama volcano at 10:28 UTC (19:28 LT) on August 25, 2019. The alert level remains unchanged at 2 of 5. The volcano is located about 140 km (87 miles) NW of capital Tokyo. This volcano has had several major plinian...

August 26, 2019

0active volcanoes world

The Weekly Volcanic Activity Report: August 14 - 20, 2019

New activity/unrest was reported for 6 volcanoes from August 14 to 20, 2019. During the same period, ongoing activity was reported for 16 volcanoes. New activity/unrest: Asamayama, Honshu (Japan) | Semisopochnoi, United States | Shishaldin, Fox Islands (USA) |...

August 21, 2019

pumice discolored sea tonga po august 9 2019 terra modis

Underwater eruption near Fonualei Island, Tonga

A new underwater eruption took place near Fonualei island in the Tonga archipelago on August 7, 2019. The eruption was first reported on August 7 when large clouds were observed 'on the horizon at the location of Fonualei volcano.' "The plume continued...

August 19, 2019