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Volcanic activity worldwide 20 Jan 2015: Kliuchevskoi volcano, Sakurajima, Aso

Tuesday Jan 20, 2015 21:00 PM |

Glow from Klyuchevskoy's eruption, note the lava flow on the upper flank
Glow from Klyuchevskoy's eruption, note the lava flow on the upper flank
Ash plume from a strombolian explosion in Aso's Nakadake crater this morning
Ash plume from a strombolian explosion in Aso's Nakadake crater this morning
Ash column from an eruption at Sakurajima yesterday
Ash column from an eruption at Sakurajima yesterday
Kliuchevskoi (Kamchatka): The eruption at the volcano has intensified during the past 24 hours.
A sustained ash plume, generated by near-continuous strombolian explosions or lava fountains, is rising 1.5-2 km from the volcano's summit, reaching approx. 24,000 ft (7.2 km) altitude, and drifting WSW.
A lava flow is descending on the upper western flank now.

Aso (Kyushu): Ash-rich strombolian activity continues from the Nakadake crater with little changes over the past weeks.

Sakurajima (Kyushu, Japan): The volcano remains in a comparably active phase (compared to most of past year), producing 1-5 vulcanian explosions per day.
Ash plumes have been reaching 8-11,000 ft (2.4-3.3 km) altitude, i.e. 1-2.5 km above the crater.
Previous news
Observed caldera subsidence versus time - if the modeled curve is correct, it should flatten out in March this year and might mean the end of the eruption (source: visir.is)
Monday, Jan 19, 2015
Bardarbunga (Central Iceland): According to Icelandic volcanologist Haraldur Sigurðsson, it is reasonable to predict that the eruption might be ending in March this year. ... [more]
Strombolian activity at Klyuchevskoy at dusk (KVERT webcam)
Sunday, Jan 18, 2015
Kliuchevskoi (Kamchatka): Mild strombolian activity continues at the summit crater, producing small ash plumes that drift one after the other from the volcano. A short lava flow might still be active on the southeast side, but this is not certain from available imagery. ... [more]
Dilute ash emissions from Etna's NE crater on 15 Jan 2015 (Etnatrekking webcam Linguaglossa)
Saturday, Jan 17, 2015
Etna (Sicily, Italy): (16 Jan) Unrest continues at the summit craters. After strombolian activity from the Central Crater (Voragine) had ceased around 13 Jan, weak ash emissions occurred from the North-East crater yesterday. ... [more]
Eruption between Hunga Tonga and Hunga Ha’apai island on 15 Jan (New Zealand High Commission)
Friday, Jan 16, 2015
Hunga Tonga-Hunga Ha'apai (Tonga, Tonga Islands): A new island is now growing at the eruption site between Hunga Ha’apai and Hunga Tonga Islands. As of yesterday, it had an east-west elongated 1.5-2 km long and approx. 1 km wide shape with a half-open cone around the crater reaching almost 100 m in height already. ... [more]
Weak incandescent spot, but no degassing from Mackenney crater on 8 Jan 2015 (Landsat 8 image / processed by Rudiger Escobar Wolf @rudigerescobar / twitter)
Thursday, Jan 15, 2015
Pacaya (Guatemala): The volcano is becoming active again. In a special bulletin yesterday, INSIVUMEH reported that ash emissions occurred from the volcano. ... [more]

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