Volcanoes

Hakoneyama volcano activity rises to a new level, Japan

The Japan Meteorological Agency (JMA) has raised the eruption warning of Hakoneyama volcano from level 2 to 3 on Tuesday, June 30, 2015 following a small scale eruption. Authorities evacuated about 40 people from nearby hot spring tourist resort and further limited acce

June 30, 2015

Alert level raised after Raung volcano erupts, Indonesia

After an increase in volcanic activity which started on June 21, Raung volcano in East Java, Indonesia erupted late Sunday, June 28, causing ash to land in villages about 10 km away from the crater.Authorities raised the alert level from 'waspada' (alert) to 

June 29, 2015

Active volcanoes in the world: June 17 - 23, 2015

New activity/unrest was observed at 4 volcanoes from June 17 - 23, 2015. During the same period, ongoing activity was observed at 13 volcanoes. New activity/unrest: Bulusan, Luzon (Philippines) | Cleveland, Chuginadak Island (USA | Concepcion, Nicaragua | Sinabung, Indo

June 25, 2015

Large pyroclastic flows at Mount Sinabung on June 19, 2015

Large pyroclastic flows have again been observed at Mount Sinabung, Indonesia early June 19, 2015. There are no confirmed historical eruptions of this volcano recorded prior to explosive eruptions during August - September 2010 that produced ash plumes to 5 km above

June 19, 2015

Active volcanoes in the world: June 10 - 16, 2015

New activity/unrest was observed at 6 volcanoes from June 10 - 16, 2015. During the same period, ongoing activity was observed at 13 volcanoes. New activity/unrest: Asamayama, Honshu (Japan) | Barren Island, Andaman Islands (India) | Concepcion, Nicaragua | Cotopaxi, Ec

June 18, 2015

Japan's Asamayama volcano erupts, alert level remains at 2 of 5

​A small-scale eruption took place around 00:20 UTC on June 16 (09:20 JST) at Asamayama volcano located 140 km NW of capital Tokyo, Japan. Alert level remains at 2 since Thursday, June 11, as well as a 2-km exclusion zone around the crater. The Japan Meteorological

June 16, 2015

Large pyroclastic flows at Mount Sinabung, Indonesia

A new set of moderate eruptions at Indonesia's Mount Sinabung volcano produced large pyroclastic flows on June 12 and 13, 2015, ten days after authorities raised the alert level to highest (4/4) and ordered evacuation of all people living within a 7-km radius.

June 13, 2015

Increased seismic activity and strong gas emissions observed at Mount Asama, Japan

The Japan Meteorological Agency (JMA) said on Thursday, June 11, 2015 it has increased volcanic alert level of Asamayama volcano from 1 to 2 (of 5) amid growing signs of unrest. An access restriction of 2 km around the crater has been put in place.Seismic activity unde

June 12, 2015

Active volcanoes in the world: June 3 - 9, 2015

New activity/unrest was observed at 10 volcanoes from June 3 - 9, 2015. During the same period, ongoing activity was observed at 14 volcanoes. New activity/unrest: Barren Island, Andaman Islands (India) | Concepcion, Nicaragua | Cotopaxi, Ecuador | Karangetang [Api Siau

June 11, 2015

Active volcanoes in the world: May 27 - June 2, 2015

New activity/unrest was observed at 11 volcanoes from May 27 - June 2, 2015. During the same period, ongoing activity was observed at 14 volcanoes. New activity/unrest: Calbuco, Chile | Concepcion, Nicaragua | Guallatiri, Chile | Karangetang [Api Siau], Siau Island (

June 04, 2015

Strong eruption of Colima volcano, Mexico

Mexico's Colima volcano produced a strong eruption at 11:12 UTC on June 3, 2015 throwing out incandescent material and triggering multiple pyroclastic flows. Washington VAAC said volcanic ash emissions were seen in webcam imagery heading WSW at 9 - 18 km/h near 5.18

June 03, 2015

Sharp increase in Mount Sinabung's activity prompts highest alert, 6 000 evacuating

A significant increase in risk estimates caused by sharp increase in activity at Indonesia's Sinabung volcano over the last two days prompted officials to raise the alert level back to highest (4/4) on Wednesday, June 3, 2015 and order evacuation of 6 000 nearby res

June 03, 2015

Very strong eruption of Mount Shindake, Japan - injuries reported

A very strong eruption of Japanese Mount Shindake (Kuchinoerabujima group) started at 01:00 UTC on May 29, 2015. At 02:26 UTC, Tokyo VAAC reported ash plume reached an estimated altitude of 10.9 km (36 000 feet). JMA issued highest alert level (5/5) and reported that py

May 29, 2015

Active volcanoes in the world: May 20 - 26, 2015

New activity/unrest was observed at 6 volcanoes from May 20 - 26, 2015. During the same period, ongoing activity was observed at 23 volcanoes. New activity/unrest: Calbuco, Chile | Concepcion, Nicaragua | Kilauea, Hawaiian Islands (USA) | Piton de la Fournaise, Reunion

May 28, 2015

Sudden eruption of Wolf volcano after 33 years of sleep, Galapagos Islands

Ecuador's Galapagos National Park administration reports Wolf volcano began spewing fire, smoke and lava early Monday, May 25, 2015. Washington VAAC first reported the possible eruption at 08:00 UTC.Their Volcanic Ash Advisory issued 12:35 UTC said volcanic ash is r

May 25, 2015

Increased activity at Fuego volcano, Guatemala

Volcanic activity at Guatemalan Fuego remains high and has increased in the past few days. Frequent weak, moderate, and some strong strombolian explosions are reported, as well as ashfall in nearby villages. Ash plumes are reaching an average height of 4.5 km a.s.l.,

May 23, 2015

Active volcanoes in the world: May 13 - 19, 2015

New activity/unrest was observed at 8 volcanoes from May 13 - 19, 2015. During the same period, ongoing activity was observed at 16 volcanoes.New activity/unrest: Bulusan, Luzon (Philippines) | Calbuco, Chile | Chaiten, Chile | Etna, Sicily (Italy) | Hakoneyama, Honshu

May 21, 2015

Indonesian Mount Lokon erupts, North Sulawesi

Indonesian Mount Lokon, located in Tomohon, North Sulawesi, erupted early Wednesday, May 20, 2015 spewing ash up to 3 km. A 2.5 km no-entry radius around the Tompaluan crater was established.The eruption took place at 07:20 UTC (14:20 local time) on May 20, 2015. At

May 20, 2015

Piton de la Fournaise erupts triggering access restriction, Reunion

A new eruption has started from a fissure vent at the southeast slopes of Piton de la Fournaise's Dolomieu crater at 09:45 UTC on Sunday, May 17, 2015. The eruption triggered Alert Level 2 (ongoing eruption) and the restriction of access by the public to the summit

May 17, 2015

Etna erupting on the evening of May 13, new lava flow

Following almost three-and-a-half months of total quiescence Etna's New Southeast Crater is again in business.Following mild Strombolian activity that started early on May 12, 2015, the activity diminished on the afternoon of the 13th and then became again more

May 14, 2015

Active volcanoes in the world: May 6 - 12, 2015

New activity/unrest was observed at 6 volcanoes from May 6 - 12, 2015. During the same period, ongoing activity was observed at 16 volcanoes.New activity/unrest: Bulusan, Luzon (Philippines) | Calbuco, Chile | Hakoneyama, Honshu (Japan) | Karangetang [Api Siau], Siau I

May 14, 2015

Telica erupts spewing ash on nearby towns, Nicaragua

Nicaragua's Telica volcano, located about 112 km NW of capital Managua, has entered new eruptive phase on May 8, 2015 spewing rocks and gases and covering nearby towns with ash on several occasions.INETER has registered 30 small eruptions by May 11. The strongest

May 11, 2015

Evacuations around Bulusan volcano, Philippines

Authorities have ordered evacuations of around 500 residents of farming villages around Bulusan volcano on Friday, May 8, 2015 in fear of rain-driven mudflows from approaching Typhoon "Noul", locally know in the Philippines as Dodong.On May 1, 2015 Bulusan pro

May 08, 2015

Active volcanoes in the world: April 29 - May 5, 2015

New activity/unrest was observed at 8 volcanoes from April 29 - May 5, 2015. During the same period, ongoing activity was observed at 15 volcanoes.New activity/unrest: Axial Seamount, Juan de Fuca Ridge | Bulusan, Luzon (Philippines) | Calbuco, Chile | Dempo, Indonesia

May 07, 2015

Hunga Tonga and Hunga Ha’apai connected by volcanic eruption

An undersea volcanic eruption started mid-December 2014 near Tonga, South Pacific Ocean and eventually created a new island which was recently captured by Landsat 8 satellite, the first time it got a cloud-free view. This new island received its first visitors in March

May 06, 2015

Earthquake swarm recorded under Hakoneyama volcano, Japan

A rise in the number of volcanic earthquakes is being recorded at Hakoneyama volcano, 90 km SW of capital Tokyo, prompting officials to raise volcanic eruption warning to Level 2 on May 6, 2015. This warning means people should stay clear of craters.The increase in freq

May 06, 2015

Bulusan volcano produces steam and ash explosion, Philippines

Bulusan volcano produced a steam and ash explosion at 00:09 UTC today (08:09 local time) which lasted for 5 minutes based on seismic records,​ Philippine Institute of Volcanology and Seismology (PHIVOLCS) reports. The last eruptive phase of this volcano started on

May 01, 2015

Another strong explosive eruption of Calbuco volcano, Chile

After last week's major eruption of Chile's Calbuco volcano and a gradual decrease in activity, another strong eruption occured around 16:10 UTC today. This is a third eruption of this volcano since it came back to life on April 22, 2015, after 43 years of

April 30, 2015

Kilauea activity update: Lava flows on the floor of Halema'uma'u Crater, Hawaii

Beginning at about 07:40 UTC on April 29, 2015, the Overlook crater lava lake overflowed its rim on several occasions, sending short, lobate sheets of pāhoehoe as far as 130 m (142 yds) across the floor of Halemaʻumaʻu Crater, HVO reported in their information statem

April 30, 2015

Active volcanoes in the world: April 22 - 28, 2015

New activity/unrest was observed at 5 volcanoes from April 22 - 28, 2015. During the same period, ongoing activity was observed at 26 volcanoes.New activity/unrest: Barren Island, Andaman Islands (India) | Calbuco, Chile | Kilauea, Hawaiian Islands (USA) | Sinabung, Ind

April 30, 2015

Lava lake rises at Hawaii’s Kilauea volcano

The summit of Kīlauea volcano continues to inflate, and the summit lava lake rose to within about 2 meters (~7 feet) of the Overlook crater rim on Monday, April 27, 2015, according to Kilauea activity report issued by Hawaiian Volcano Observatory (HVO) yesterday. This

April 28, 2015

Aerial footage of Chile's Calbuco volcano spewing ash

After 43 years of sleep, Chile's Calbuco volcano experienced a major eruption on April 22, 2015 ejecting ash plume up to 12.1 km. A 20 kilometer exclusion zone was established around the volcano and over 4 000 people within this exclusion zone were evacuated during

April 27, 2015

Ash emissions observed at Manam volcano, Papua New Guinea

Darwin VAAC reports an ash plume up to 2.4 km (8 000 feet) was observed above the Manam volcano, Papua New Guinea at 00:30 UTC on April 27, 2015. It extended about 111 km to the west.A pronounced SO2 plume can be seen on satellite data as well, Volcano Discovery reports

April 27, 2015

Magma intrusion is likely source of Columbia - Ecuador border quake swarms

The “seismic crisis” around the region of the Chiles and Cerro Negro de Mayasquer volcanoes near the Columbia-Ecuador border is likely caused by intruding magma, according to a report by R. Corredor Torres of the Servicio Geológico Colombiano and coll

April 24, 2015

Huge magma chamber discovered deep beneath the Yellowstone supervolcano

A team of University of Utah seismologists discovered and made images of a reservoir of hot, partly molten rock about 19 to 45 km (12 to 28 miles) beneath the Yellowstone supervolcano, and it is 4.4 times larger than the shallower, long-known magma chamber.The hot rock

April 24, 2015