Volcanic update: Strong eruptions of Reventador (Ecuador), Fuego (Guatemala), Poas (Costa Rica) and Klyuchevskoy (Russia)

Poas volcano constantly erupts since 4 days

During the last 24 hours, the volcano exhibited a strong exhalation and degassing activity sending high quantities of gases, aerosols and ash in the sky. Moreover, many low – frequency (LP) and some volcano – tectonic (VT) earthquakes were recorded.

On April 22, there were two eruptions, the first at 13:16 and the second at 16:03. During the early hours of April 23, 5 eruptive events were recorded at 19:12, 19:14, 20:28, 20:32 and a very intense eruption at 22:12. This last eruption ejected ballistic fragments of rock many kilomters from the crater!

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The Poas volcano is atively erupting since beginning of April 2017.

The 22:12 eruption also destroyed some electronic devices used by Ovsicori to assess the volcano behavior. OVSICORI staff are on site to repare the technical problems.

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Remains of the tower and the web camera of the Ovsicori after the April 23, 2017 eruption at 10:22 pm

Two volcano – tectonic hit right under the volcano at 20:28 (M2.2) and 20:32, (M2,3), which were felt in the community of Vara Blanca.

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Ballisti fragments were ejected seeral kilometers from the crater of the Poas volcano in Costa Rica on April 23, 2017.

Ashfalls and a strong smell of sulfur were reported in Alajuela, Fraijanes, San Francisco, San Juan Norte de Poas, San Miguel, Carbonal, Cajon.

Strong eruptive activity at Reventador volcano

The volcano maintains its strong activity of the last days and erupts constantly a few times a day. Although the summit of the volcano is covered b clouds, a large incandescence glows from the crater.

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The Reventador volcano in Ecuador shows enhanced eruptive activit since two weeks. via Pulj

On April 23, 5 harmonic tremors, 4 episodes of emission tremor, 32 long period events and 22 explosions have been recorded. During a morning explosion, blocks of rock fell on the southern flank. No danger of lahars as there is no rain.

Lahars after eruption of Fuego volcano

Heay rains have generated dangerous hot lahars in the Ceniza, Trinidad, Las Lajas and Santa Teresa canyons.

These lahars can damage the roads between Siquinala and San Andrés Osuna, Rodeo a Guadalupe and others small communities living along the rivers.

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The uego volcano in Guatemal i also highly active in April 2017. via Insivumeh

Residents are asked to take appropriate measures.

Huge ash plume at Klyuchevskoy volcano

Satellite data delivered from KVERT show an ash plume extending about 72 km to the south-west of the volcano.

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The Klyuchevskoy volcano is emitting high amounts of volcanic ash in the sky in April 2017. Yu Demyanchuck , IVS FEB RAS, KVERT

The moderate activity of the volcano continues. Ash and aerosol plumes could affect low-flying aircraft.

Get ready for an eruption or any other natural disasters in your vicinity.

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