Volcanoes

fuego volcano erupting on december 11 2017 copyright Alejandro Vargas

New eruptive phase starts at Fuego volcano, ashfall reported

A change in the pattern of activity at Fugo volcano, Guatemala has been observed on December 10, 2017, developing into the 12th effusive eruption phase of the year. The Fuego Observatory reports moderately strong explosions which generate ash columns to a height of...

December 11, 2017

skjaldbreidur earthquake swarm iceland december 9 and 10 2017

Earthquake swarm under Skjaldbreidur volcano, Iceland

An intense earthquake swarm is in progress at the southern end of Prestahnúkur volcanic system (Langjökull icecap) since early Saturday, December 9, 2017. More than 100 quakes were registered within 40 hours, with 4 above M3.0. There have not been...

December 10, 2017

2phreatic eruption kanlaon philippines december 9 2017

Phreatic eruption, resumption of degassing at Kanlaon volcano, Philippines

A phreatic (steam-driven) eruption started at Kanlaon volcano in Negros Island, Philippines at 01:47 UTC (09:47 local time) on December 9, 2017. The eruption was preceded by resumption of degassing at the summit crater at 22:34 UTC, December 8 (06:34 local time,...

December 09, 2017

evacuation plan for oraefajokull f

Öræfajökull caldera deepens 20 m (65 feet), geothermal heat in the area, Iceland

On November 17, 2017, a pilot flying over Öræfajökull volcano in Iceland noticed a new ice-caldron within the volcano's caldera. Now, volcanologists say the situation is far from normal. Volcanologist Ármann Höskuldsson says that the...

December 07, 2017

villarrica crater

Increased activity at Villarrica volcano, alert level raised, Chile

Chilean authorities have raised the Alert Level for Villarrica volcano to Yellow (the second lowest level on a four-color scale) on December 5, 2017. The last eruptive episode of this volcano started on December 2 (± 7 days), 2014 and ended on October 15,...

December 07, 2017

active volcanoes world

The Weekly Volcanic Activity Report: November 29 - December 5, 2017

New activity/unrest was reported for 5 volcanoes between November 29 - December 5, 2017. During the same period, ongoing activity was reported for 11 volcanoes. New activity/unrest: Agung, Bali (Indonesia) | Great Sitkin, Andreanof Islands (USA) | Klyuchevskoy,...

December 07, 2017

shishaldin volcano alaska

Shishaldin volcano alert levels raised, Alaska

Due to increased seismic and infrasound activity recorded over the past few weeks at Shishaldin volcano, the Alaska Volcano Observatory (AVO) raised the Aviation Color Code for the volcano to Yellow and the Alert Level to Advisory on Wednesday, December 6, 2017. The...

December 06, 2017

sheveluch eruption kamchatka russia december 5 2017 kb gs ras

Strong eruption at Sheveluch volcano, ash to 10 km (33 000 feet) a.s.l.

After a long period of relative calm, a powerful explosive eruption occurred at Sheveluch volcano, Kamchatka, Russia at 21:00 UTC on December 4, 2017. The eruption lasted about 20 minutes and sent an ash plume to a height of 33 000 feet (10 km) above sea level. The...

December 05, 2017

toba caldera

Time between world-changing volcanic super-eruptions less than previously thought

After analyzing a database of geological records dated within the last 100 000 years, a team of scientists from the University of Bristol has discovered the average time between so-called volcanic super-eruptions is actually much less than previously thought....

November 30, 2017

6active volcanoes world

The Weekly Volcanic Activity Report: November 22 - 28, 2017

New activity/unrest was reported for 2 volcanoes between November 22 and 28, 2017. During the same period, ongoing activity was reported for 12 volcanoes. New activity/unrest: Agung, Bali (Indonesia) | Great Sitkin, Andreanof Islands (USA). Ongoing activity: Aira,...

November 29, 2017

new crater popocatepetl november 2017

New crater discovered at Popocatépetl volcano, Mexico

A new crater was discovered at Mexico's Popocatépetl volcano and authorities expect the volcano to continue throwing new material towards the surface in the coming days, Dr. Carlos Valdés, the director of Mexico's National Center for Disaster...

November 29, 2017

iceland vatnajokull earthquakes november 26 28 2017 f

Earthquake swarm detected near Herðubreið, Askja volcanic area, Iceland

A notable amount of earthquakes occurred near Herðubreið, Iceland's Askja volcanic area on Tuesday, November 28, 2017, with magnitudes ranging from 0.4 to 2.0 and depths between 2.5 and 12.8 km (1.5 - 8 miles). In total, the Icelandic Met Office (IMO)...

November 28, 2017

agung erupting november 26 2017

Agung eruption shifts to magmatic, alert level at highest, lahars, 100 000 evacuating

Around 100 000 residents living near erupting Agung volcano in Bali, Indonesia have been told to evacuate, officials said Monday, November 27, 2017. Late Saturday, November 25, hours the after the second phreatic eruption within a week started, Agung shifted into...

November 27, 2017

mount ruapehu new zealand

High volcanic gas emission and Crater Lake temperature at Mount Ruapehu, New Zealand

An increase in volcanic gas emissions and sustained high lake temperature (Te Wai Ā-Moe) suggest a slightly higher level of activity at New Zealand's Mount Ruapehu, GeoNet reports. The Volcanic Alert Level remains at 1 and the Aviation Color Code at Green. The...

November 25, 2017

agung volcano eruption november 25 2017

Strong phreatic eruption at Mount Agung, Bali, Indonesia

A strong phreatic eruption started at Mount Agung, Bali, Indonesia at 09:30 UTC (17:30 WIB) on Saturday, November 25, 2017. This is the second eruption of this volcano since Tuesday, November 21. Although significantly stronger, the Alert Level remains at second...

November 25, 2017

popocatepetl eruption november 25 2017 05 52z

New strong explosions at Popocatepetl, ash to 8.5 km (28 000 feet) a.s.l.

A new strong explosion occurred at Mexico's Popocatepetl volcano at about 04:52 UTC on Saturday, November 25, 2017 (22:52 local time, November 24). The event follows two strong explosions at 23:12 and 23:54 UTC on Friday and the strongest eruption at this...

November 25, 2017

popocatepetl eruption november 23 2017

Strongest eruption since 2013 at Popocatepetl volcano, Mexico

On Thursday, November 23, 2017, Mexico's Popocatepetl volcano experienced its strongest eruption since 2013. Ashfall was reported in nearby communities, mainly to the south and southeast. The eruption started at 20:13 UTC (14:13 local time), producing a plume of...

November 24, 2017