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Volcanic activity worldwide 23 Apr 2020: Klyuchevskoy volcano, Popocatépetl, Semeru, Dukono, Revent...

Thursday Apr 23, 2020 21:00 PM | BY: SEVERAL CONTRIBUTORS

Map of today's active volcanoes
Map of today's active volcanoes
Descending lava flow on SE flank from Klyuchevskoy volcano on 21 April (image: KVERT)
Descending lava flow on SE flank from Klyuchevskoy volcano on 21 April (image: KVERT)
Kirishima volcano (Kyushu Island, Japan): increased seismic activity
Kirishima volcano (Kyushu Island, Japan): increased seismic activity
Satellite image of Sakurajima volcano on 23 Apr 2020
Satellite image of Sakurajima volcano on 23 Apr 2020
Satellite image of Suwanose-jima volcano on 23 Apr 2020
Satellite image of Suwanose-jima volcano on 23 Apr 2020
Ash plume from Sabancaya volcano (image: INGEMMET)
Ash plume from Sabancaya volcano (image: INGEMMET)
Klyuchevskoy (Kamchatka): (23 Apr) Explosive-effusive activity of the volcano continues. KVERT reported that lava flow on the southeastern flank remains active, it is advancing only slowly and has made little progress on the steep slopes.
Intermittent small to moderate strombolian explosions, generate ash plumes that reached approx. 20,000 ft (6,100 m) altitude. Volcanic ash is dispersed towards the northwest.
Source: Kamchatka Volcanic Eruption Response Team volcano activity update 23 April 2020

Kirishima (Kyushu): (23 Apr) According to Japanese Meteorological Agency (JMA), the seismicity has increased after fluctuating levels of the volcano during the past weeks.
During 19-23 April seismic station records 600 volcano-tectonic earthquakes below the Shinmoedake crater.
... [read more]

Aso (central Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ACTIVITY CONT. VA AT 20200423/1200Z FL060 EXTD SE OBS VA DTG:23/1150Z

Kuchinoerabu-jima (Ryukyu Islands): (23 Apr) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20200423/0139Z FL030 EXTD SE OBS VA DTG:23/0130Z

Sakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20200423/1723Z OVER FL090 EXTD SE OBS VA DTG:23/1710Z

Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20200423/1846Z FL040 EXTD SE OBS VA DTG:23/1840Z

Semeru (East Java, Indonesia): (22 Apr) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA REPORTED TO FL130 AT 22/2244Z OBS VA DTG:22/2244Z

Dukono (Halmahera): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 5 kts in SE direction.
The full report is as follows: CONTINUOUS VA EMISSIONS TO FL070 OBS VA DTG:23/1700Z to 7000 ft (2100 m)

Mauna Loa (Big Island, Hawai'i): The Hawaiian Volcano Observatory (HVO) recorded 78 small-magnitude earthquakes on Mauna Loa’s summit and upper-elevation flanks over the past week. The largest of these earthquakes measured at magnitude 2.3 beneath the south caldera. Most of these earthquakes occurred at depths of less than 8 kilometers (~5 miles) below ground level.

There is continued summit inflation, where HVO claim is consistent with magma supply to the volcano's shallow storage system. Gas concentrations and fumarole temperatures remain stable.

Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows: OCNL VA EMS OBS IN STLT IMAGERY AND SUMMIT WEB CAM to 20000 ft (6100 m)

Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows: VA CLDS OBS IN STLT IMAGERY AND SUMMIT WEB CAM to 20000 ft (6100 m)

Reventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows: VA CLDS OBS IN STLT AND SUMMIT WEB CAM to 15000 ft (4600 m)

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 15 kts in S direction.
The full report is as follows: INTERMITTENT PUFF OF VA to 23000 ft (7000 m)
...23 Apr:
On 23 April at 07:10 local time Volcanic Ash Advisory Center (VAAC) Buenos Aires recorded explosive activity from the active crater with near-constant ash emissions that reached 23,000 ft (7,000 m) altitude and drifted SW.
In case of rainfall, the population is recommended to stay away and avoid driving on the road that crosses the channel of this creek due to lahars (mud flows).
The warning bulletin states that ballistic impacts of volcanic bombs and pyroclastic flows could affect an area of about 12 km distance from the crater.
Previous news
Map of today's active volcanoes
Wednesday, Apr 22, 2020
Klyuchevskoy (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 15 kts in E direction. ... [more]
Map of today's active volcanoes
Tuesday, Apr 21, 2020
Bardarbunga (Central Iceland): (21 Apr) On 20 April at 03:54 local time an earthquake with magnitude M 4.8 were detected by the seismic network in the Bardarbunga caldera, few small aftershocks followed but no volcanic tremor has been detected. ... [more]
Map of today's active volcanoes
Monday, Apr 20, 2020
Klyuchevskoy (Kamchatka): (20 Apr) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 30 kts in SE direction. ... [more]
Map of today's active volcanoes
Sunday, Apr 19, 2020
Etna (Sicily, Italy): A brief, but intense episode of explosive activity took place at Etna's SE crater this morning. Starting in the early morning hours, from around 07:30 local time, the New Southeast Crater began to produce strombolian-type explosions along with a sharp increase in volcanic tremor. ... [more]
Map of today's active volcanoes
Saturday, Apr 18, 2020
Klyuchevskoy (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 and is moving at 25 kts in SE direction. ... [more]

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