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Volcanic activity worldwide 1 May 2014: Soputan, Bagana, Suwanose-jima, Popocatépetl, Shiveluch, Du...

Thu, 1 May 2014, 08:11
08:11 AM |
Steaming and ash emission from Shiveluch this morning (KVERT webcam)
Steaming and ash emission from Shiveluch this morning (KVERT webcam)
Glow from Suwanosejima volcano at night (JMA)
Glow from Suwanosejima volcano at night (JMA)
Seismic crisis at Soputan volcano on the seismograph of SOP station yesterday (VSI)
Seismic crisis at Soputan volcano on the seismograph of SOP station yesterday (VSI)
Small explosion from Popocatépetl yesterday
Small explosion from Popocatépetl yesterday
Ash emission from Ubinas last evening
Ash emission from Ubinas last evening
Shiveluch (Kamchatka): Activity is currently relatively low, but the volcano continues to extrude viscous lava into the dome. Occasional small avalanches, explosions and strong steaming accompany this activity.

Chirpoi (Kurile Islands, Russia): SVERT reported that satellite images over Snow, a volcano of Chirpoi, detected a thermal anomaly on 21 and 27 April. Cloud cover obscured views on the other days during 22-28 April. The Aviation Color Code remained at Yellow.
(Smithsonian / USGS Weekly Volcanic Activity Report 23-29 April 2014)

Chirinkotan (Northern Kuriles): SVERT reported that satellite images of Chirinkotan showed gas-and-steam emissions on 25 and 27 April. Cloud cover obscured views during 21-28 April. The Aviation Color Code remained at Yellow.
(Smithsonian / USGS Weekly Volcanic Activity Report 23-29 April 2014)

Suwanose-jima (Ryukyu Islands): After some weeks of no or less visible activity, the volcano has again become more active and bright glow is visible above the crater at night, suggesting the near-continuous small strombolian-type explosions or perhaps even the presence of a small lava lake.
A larger explosion on 29 April produced an ash plume that rose to an altitude of 1.2 km (4,000 ft) a.s.l. and drifted E.

Bagana (Bougainville Island, Papua New Guinea): An explosion occurred this morning. A volcanic ash plume rose to 7,000 ft (2.1 km) altitude and drifted 40 km to the SSE (VAAC Darwin).

Soputan (North Sulawesi, Indonesia): As the 5th volcano in Indonesia currently on orange alert, the alert level of Soputan was raised to "siaga" (or 3 on a scale of 1-4) by VSI this morning. The decision came as a result of a marked increase in seismic activity over the past day.
Seismic activity started to be elevated early this year. The volcano is one of Indonesia's most frequently active and typically erupts every few years, often with only short periods of precursory seismic activity. The last eruption occurred in 2012, and the current crisis could very well lead to a new eruption in the near future.
At the moment, an exclusion zone of 6.5 km radius is in place around the volcano.

Dukono (Halmahera): Activity remains elevated. Strombolian to vulcanian-type explosions produce ash plumes, typically reaching about 8,000 ft (2.4 km) altitude that are spotted every day on satellite imagery.

Shishaldin (United States, Aleutian Islands): AVO reported that although cloud cover occasionally prevented web-cam and satellite observations of Shishaldin's summit area during 23-29 April, periods of elevated surface temperatures and minor steaming were observed. No significant changes were detected in seismic data. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch.
(VOLCANO: Smithsonian / USGS Weekly Volcanic Activity Report 23-29 April 2014)

Popocatépetl (Central Mexico): No significant changes in activity have occurred. CENAPRED reported 73 low-intensity exhalations during 29-30 April, some of which produced small puffs of ash. Glow at the crater remains visible at night.
A small volcanotectonic earthquake of magnitude 2.4 occurred on 29 April at 13:44 local time.

Ubinas (Peru): Ash emissions and occasional small explosions continue at reduced intensity.
Previous news
Wed, 30 Apr 2014, 16:29
Volcanoes in the South Sea - volcano expedition to Vanuatu
Slamet (Central Java): Following the increase in explosions, VSI raised the alert status of the volcano from Waspada to Siaga ("watch"), i.e. 3 on a scale of 1-4. Slamet is now along with Sinabung, Karangetang and Lokon-Empung the 4th Indonesian volcano on high alert. ... read all
Tue, 29 Apr 2014, 21:00
Slamet (Central Java): Strombolian eruptions continue from the active vent in the summit caldera of the volcano and seem to have intensified recently. According to a local newspaper article, 52 explosions were observed during midnight until this morning, which ejected lava bombs to heights of 500-700 meters. Incandescent material is visible like fireworks from observation points at the feet of the volcano. ... read all
Mon, 28 Apr 2014, 15:49
Satellite image from 26 April showing the plume from Batu Tara (MODIS / NASA, annotated by Culture Volcan)
Sakurajima (Kyushu, Japan): After a calm week during 12-20 April, the volcano is back with its typical average of 1-2 daily vulcanian explosions. Ash plumes have ranged from reaching 5-10,000 ft (1.5-3 km) altitude. ... read all
Fri, 25 Apr 2014, 21:00
Infrared images of Reventador volcano yesterday showing what could be a lava fountain and new lava flow (Annotations: Culture Volcan, images: IGPEN)
Reventador (Ecuador): (24 Apr) A new phase of intense activity with possible lava fountains and new lava flows began at the volcano yesterday. ... read all
Thu, 24 Apr 2014, 21:00
Fuego yesterday morning
Fuego (Guatemala): During the day, activity at the volcano picked up again. The observatory reports 6-14 weak to strong strombolian explosions on average per hour, that eject ash plumes up to approx. 1 km height. ... read all

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