Volcanoes

Powerful eruptions and pyroclastic flows at Mount Sinabung, ash to 6 km a.s.l.

Mount Sinabung in North Sumatra's Karo District, Indonesia continues to erupt with ash reaching 6 km (20 000 feet) a.s.l. today. As of 05:40 UTC today, the Aviation Colour Code was still on Red. "The hot clouds are moving towards its previous trajectory -...

August 26, 2016

Active volcanoes in the world: August 17 - 23, 2016

New activity/unrest was observed at 3 volcanoes between August 17 and 23, 2016. During the same period, ongoing activity was observed at 9 volcanoes. New activity/unrest: Aoba, Vanuatu | Chikurachki, Paramushir Island (Russia) | Santa Maria, Guatemala. Ongoing...

August 24, 2016

Active volcanoes in the world: August 10 - 16, 2016

​New activity/unrest was observed at two volcanoes between August 10 and 16, 2016. During the same period, ongoing activity was observed at 15 volcanoes. New activity/unrest: Chikurachki, Paramushir Island (Russia) | Chirpoi, Kuril Islands (Russia). Ongoing...

August 18, 2016

Powerful explosion at Santiaguito produces massive mushroom-shaped ash plume, Guatemala

A powerful vulcanian explosion occurred at Santiaguito's Caliente lava dome at 12:58 UTC on August 16, 2016. The eruption produced a massive mushroom-shaped ash plume that eventually reached an estimated altitude of 6 km (20 000 feet). The explosion showered the...

August 16, 2016

Strong explosion, pyroclastic flows observed at Santa Maria's Santiaguito, Guatemala

A strong eruption occurred at Santa Maria's Santiaguito lava-dome complex in Guatemala at 12:29 UTC on August 14, 2016 (06:29 local time). The eruption generated a column of ash and smoke that rose up to 6 km (19 685 feet) above sea level, according to CONRED....

August 14, 2016

Active volcanoes in the world: August 3 - 9, 2016

New activity/unrest was observed at 5 volcanoes between August 3 and 9, 2016. During the same period, ongoing activity was observed at 14 volcanoes. New activity/unrest: Brava, Cape Verde | Chikurachki, Paramushir Island (Russia) | Chirpoi, Kuril Islands (Russia) ...

August 11, 2016

Active volcanoes in the world: July 27 - August 2, 2016

New activity/unrest was observed at 6 volcanoes between July 27 and August 2, 2016. During the same period, ongoing activity was reported for 14 volcanoes. New activity/unrest: Bezymianny, Central Kamchatka (Russia) | Chikurachki, Paramushir Island (Russia) |...

August 05, 2016

Powerful eruption of Rinjani sends ash 9.7 km a.s.l., Aviation Color Code on Red, Indonesia

A sudden, powerful eruption occurred at Indonesia's Rinjani volcano (Lombok, West Nusa Tenggara) around 04:00 UTC on August 1, 2016. According to the Darwin VAAC, volcanic ash cloud at 04:20 UTC was observed reaching an altitude of 9.7 km (32 000 feet) a.s.l....

August 01, 2016

Vigorous steam degassing observed at Pavlof volcano, Aviation Color Code increased to Orange, Alaska

Vigorous steam degassing was observed at Alaska's Pavlof volcano in web camera images from Cold Bay (65 km / 35 miles SW) and Black Hills (35 km / 20 miles NNE) on July 28, 2016. Alaska Volcano Observatory (AVO) has increased the Aviation Color Code and the...

July 28, 2016

Active volcanoes in the world: July 20 - 26, 2016

Between July 22 and 26, 2016, new activity/unrest was observed at 4 volcanoes. Ongoing activity was reported for 16 volcanoes during the same period. New activity/unrest: Chikurachki, Paramushir Island (Russia), Chirpoi, Kuril Islands (Russia), Kilauea, Hawaiian...

July 28, 2016

Powerful eruption of Sakurajima spews smoke 6 km a.s.l. in the first such eruption since August 2013

After 3 calm weeks, Japan's Mount Sakurajima erupted violently at 15:02 UTC on July 25, 2016 (00:02 JST on July 26), spewing ash from its Showa Crater 6 km (20 000 feet) above sea level, according to the Tokyo VAAC. The plume was extending to the SW. It was the...

July 26, 2016

Active volcanoes in the world: July 13 - 19, 2016

Ongoing activity/unrest was observed at 3 volcanoes between July 13 and 19, 2016. Ongoing activity was reported for 17 volcanoes during the same period. New activity/unrest: Kilauea, Hawaiian Islands (USA) | Manam, Papua New Guinea | Pacaya, Guatemala. Ongoing...

July 21, 2016

Mount Gamalama producing frequent heightened amplitude tremors, Indonesia

Over the last couple of days, Mount Gamalama in Ternate, North Maluku Indonesian province, has been showing signs of increased volcanic activity, including frequent tremors of heightened amplitude. According to Darno Lamane, the Head of Mount Gamalama Observation...

July 20, 2016

Active volcanoes in the world: July 6 - 12, 2016

New volcanic activity was observed at 4 volcanoes between July 6 and 12, 2016. During the same period, ongoing activity was reported for 13 volcanoes. New activity/unrest: Bulusan, Luzon (Philippines) | Copahue, Central Chile-Argentina border | Kilauea, Hawaiian...

July 15, 2016

Study finds Alban Hills volcano near Rome is starting a new eruptive cycle, Italy

The Alban Hills (Colli Albani/Monte Albano), a 15-km (9-mile) semicircle of hills outside Rome, Italy was previously considered an extinct volcano. However, a new study finds the volcano operates on a 31 000-year cycle of eruption and dormancy and is now starting a...

July 13, 2016

Mount Sinabung covers capital of Indonesia’s North Sumatra province in ash

Indonesia's Mount Sinabung erupted on Sunday, July 3, 2016, covering Medan, the capital of North Sumatra province, in ash. At least three eruptions were recorded on Sunday, with ash rising up to 1.5 km (4 900 feet). Lava flows were observed 1 km (0.62 miles)...

July 04, 2016

Active volcanoes in the world: June 22 - 28, 2016

New activity/unrest was observed at 5 volcanoes between June 22 and 28, 2016. During the same period, ongoing activity was observed at 15 volcanoes. New activity/unrest: Bulusan, Luzon (Philippines) | Kanlaon, Philippines | Pacaya, Guatemala | Santa Maria, Guatemala...

June 30, 2016