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Volcanic activity worldwide 23 Oct 2018: Krakatau volcano, Dukono, Reventador, Sangay, Ambrym, Sakur...

Tuesday Oct 23, 2018 21:00 PM |

Map of today's active volcanoes
Map of today's active volcanoes
JMA webcam view today. Credit: Japan Meteorological Agency
JMA webcam view today. Credit: Japan Meteorological Agency
Satellite image of Sakurajima volcano on 23 Oct 2018
Satellite image of Sakurajima volcano on 23 Oct 2018
Satellite image of Sakurajima volcano on 22 Oct 2018
Satellite image of Sakurajima volcano on 22 Oct 2018
Satellite image of Krakatau volcano on 23 Oct 2018
Satellite image of Krakatau volcano on 23 Oct 2018
Latest Sentinel-2 L1C image from 22 Oct 2018 showing the new lava flow from Anak Krakatau (image: Sentinel Hub / ESA)
Latest Sentinel-2 L1C image from 22 Oct 2018 showing the new lava flow from Anak Krakatau (image: Sentinel Hub / ESA)
Satellite image of Dukono volcano on 23 Oct 2018
Satellite image of Dukono volcano on 23 Oct 2018
Lava fountain from Benbow's lava lake (image: Yashmin Chebli / VolcanoDiscovery)
Lava fountain from Benbow's lava lake (image: Yashmin Chebli / VolcanoDiscovery)
Kuchinoerabu-jima (Ryukyu Islands): A new and very small eruption is occurring, with ash plumes rising only a few thousand feet above sea level. This follows the unrest in August, when the Alert Level was raised to 4, as there were concerns about a repeat of the large explosion in 2015. This subsequently declined, the Alert Level dropped to 3, where it remains.

Sakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20181023/1520Z FL080 EXTD SE OBS VA DTG:23/1520Z
...22 Oct:
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20181022/2216Z FL090 STNR OBS VA DTG:22/2210Z

Krakatau (Sunda Strait, Indonesia): (23 Oct) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA TO FL050 LAST OBS MOV SW AT 22/0450Z OBS VA DTG:23/0057Z
...22 Oct:
The activity at the volcano has again picked up during the past 24 hours: explosions have increased in numbers and a new lava flow has started to descend slowly from the summit crater's southern rim.
On today's high-resolution Sentinel-2 satellite image, it can be seen to have reached the base of the summit cone, but not yet the coast of Anak Krakatau. The location of its vent in the summit crater is almost certainly the same as in mid September and the pit crater excavated by the explosion on 17 Oct afternoon we observed and documented from close.
... [read more]

Dukono (Halmahera): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: CONTINOUS VA TO FL050 MOV E 15KTS EST VA DTG:23/1250Z
...23 Oct:
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA OBS TO FL050 MOV E AT 23/0020Z.

Ambrym (Vanuatu): A small group on our latest Vanuatu Volcano Expedition observed 3 active lava lakes in Ambrym volcano. Expedition leader volcanologist Yashmin Chebli reported from their visit during the first week of Oct 2018 (link to pictures):
Benbow volcano:
... [read more]

Sangay (Ecuador): (23 Oct) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: LGT VA EMS

Reventador (Ecuador): (23 Oct) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMISSION RPRTD

Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: SPORADIC PUFF EMISSIONS
...23 Oct:
Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: CONTINUOUS EMISSIONS OF STEAM WITH SPORADIC PUFFS OF VA
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