Articles tagged "volcanic eruptions" - page 3

8weekly volc report_(1)

Active volcanoes in the world: February 1 - 7, 2017

New activity/unrest was observed at 4 volcanoes between February 1 and 7, 2017. During the same period, ongoing activity was observed at 10 volcanoes. New activity/unrest: Chirinkotan, Kuril Islands (Russia) | Cleveland, Chuginadak Island (USA) | Piton de la...

February 09, 2017

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Impressive eruption at Mexico's Colima volcano

A large and impressive explosion occurred at Mexico's Colima volcano on Friday, February 3, 2017, producing an ash column that eventually rose up to 7.6 km (25 000 feet). The eruption occurred at 23:35 UTC (17:35 CST) and generated pyroclastic flow on the...

February 05, 2017

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Collapse of the cliff poses an extreme danger - Kilauea, Hawaii

Kīlauea Volcano's episode 61g lava flow is still active and entering the ocean at Kamokuna on the volcano's south coast. Recent observations of the ocean entry indicate growing instability of the adjacent sea cliff. A potential collapse of the cliff poses...

February 03, 2017

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Submarine eruption detected near Tonga

A new submarine eruption is taking place about 30 km (18.6 miles) north of Tonga's main island Tongatapu. It seems to have started on January 23, 2017. According to GeoNet, this volcano has been called 'Submarine Volcano III' in historic reports....

January 31, 2017

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New eruption started at Piton de la Fournaise, alerts raised

A new effusive eruption has started at Piton de la Fournaise volcano located on the French island of La Réunion around 15:40 UTC on January 31, 2017. The Aviation Color Code was raised to Orange. According to the Observatoire Volcanologique du Piton de la...

January 31, 2017

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Eruptive activity resumes at Costa Rica's Turrialba volcano

The eruptive activity at Costa Rica's Turrialba volcano has resumed over the weekend with constant vapor, gas and ash explosions. UCR's National Seismological Network (RSN) volcanologist Mauricio M. Mora said that ash and vapor spewings of almost 500 m (1...

January 31, 2017

colima eruption january 25 2017

Very strong explosion at Colima, ash up to 7 km (23 000 feet) a.s.l.

A very strong explosion occurred at Mexican Colima volcano at 13:45 UTC on January 25, 2017. This is yet another strong explosion at the volcano, currently one of the most active in the world. The eruption was accompanied with pyroclastic flows on the NE flank. The...

January 25, 2017

bogoslof eruption terra modis january 18 2017

Bogoslof ejects ash more than 9.5 km (31 000 feet) a.s.l., Alaska

Alaskan Bogoslof volcano erupted again at about 22:20 UTC on January 18, 2017, following an approximately 20-minute-long increase in seismic activity. The cloud it ejected is presumably more ash-rich than others in current eruptive sequence. Alaska Volcano...

January 19, 2017

explosion colima volcano mexico january 18 2017

Very strong explosion at Colima volcano, Mexico

After three moderate to large explosions over the past 10 days, Mexico's Colima volcano experienced another strong explosion at 06:27 UTC (00:27 CST) on January 18, 2017. The eruption spewed volcanic ash up to 4 km (13 123 feet) above the crater. Ashfall was...

January 18, 2017

mount sinabung eruption january 16 2017

Activity at Indonesian Mount Sinabung remains high

Volcanic activity at Indonesian Mount Sinabung remains high. Late Monday, January 16, 2017, the volcano spewed ash up to 5.5 km (18 000 feet) above sea level and produced a large pyroclastic flow, reminding everybody why tens of thousands nearby residents had to be...

January 17, 2017

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Satellite observations miss more than half of the particles released by volcanic eruptions

A team of scientists led by the National Center for Atmospheric Research (NCAR) has developed a new method to measure how smaller volcanic eruptions are affecting the atmosphere and found that satellite observations are often missing more than half of the particles...

March 15, 2016

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New method for predicting volcanic eruptions yields promising results

A group of UK scientists from the Royal Holloway, University of London, has developed a new method to determine which conditions are needed to facilitate a volcano eruption. Researchers have used the data collected during eruptions of the Santorini volcano to...

October 29, 2015

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How do active volcanoes change clouds?

NASA Goddard Space Flight Center scientist Andrew Sayer talks about how emissions from volcanoes can affect clouds. This video provides an overview of research published in the Journal of Atmospheric Chemistry and Physics. Research: Systematic satellite observations of

November 14, 2014

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Study finds Earth’s first mass extinction caused by volcanic eruptions

A new research from Curtin University has shown that ancient volcanic eruptions in Australia some 510 million years ago significantly affected the climate, causing the first known mass extinction in the history of complex life.Associate Professo

June 04, 2014

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VOGRIPA - A new searchable database on global volcanic activity and hazards

The University of Bristol, British Geological Survey, Smithsonian Institution and partners worldwide in Volcano Global Risk Identification and Analysis Project - VOGRIPA, announce the launch of the official website, which contains a new searchable global database

December 04, 2012

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Gunung Marapi volcano in Sumatra, Indonesia was raised to Level 2 alert

Marapi volcano in Sumatra, Indonesia was raised to level 2 alert on 3rd August after continuous volcanic tremor was recorded. Earthquake activity was accompanied by 8 explosions and thick grey emissions rising 1 km above the summit. A 3 km exclusion zone has been

August 06, 2011

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Volcanoes could trigger bigger climate impact than thought

Volcanic eruptions might affect Earth's climate more than thought by releasing far more weather-altering particles than scientists' suspected, new research finds.To help tease out the influence of volcanoes on global climate, researchers investigated the huge

July 12, 2011

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Erupion of Grímsvötn from the glaciers perspective

 The Glacier Change blog posted interesting article about recent eruption of Iceland volcano from a glaciers perspective;Skeiðarárjökull Glacier,Vatnajökull retreat Grímsvötn eruption and Jökulhlaup May 2011Skeiðarárjökull Glacier is a large outlet

May 24, 2011

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Scientists have calculated - Earth sees about 760 thunderstorms every hour

The figure, unveiled at the European Geosciences Union meeting in Vienna, is substantially lower than numbers that have been used for nearly a century. The new research uses a global network of monitoring stations that detect the electromagnetic pulses produced by

April 10, 2011