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Volcanic activity worldwide 17 Jun 2020: Pacaya volcano, Fuego, Popocatépetl, Dukono, Reykjanes, Gr...

Wednesday Jun 17, 2020 21:00 PM | BY: SEVERAL CONTRIBUTORS

Map of today's active volcanoes
Map of today's active volcanoes
Sampling of gas released from Grimsvötn volcano in June (photo: IMO/Melissa Anne Pfeffer)
Sampling of gas released from Grimsvötn volcano in June (photo: IMO/Melissa Anne Pfeffer)
The seismicity around Grindavík last week (image: IMO)
The seismicity around Grindavík last week (image: IMO)
Satellite image of Dukono volcano on 17 Jun 2020
Satellite image of Dukono volcano on 17 Jun 2020
Ash emissions from Dukono volcano on 16 June (image: PVMBG)
Ash emissions from Dukono volcano on 16 June (image: PVMBG)
Lava flows from Pacaya volcano (image: @ESPECIGEST/twitter)
Lava flows from Pacaya volcano (image: @ESPECIGEST/twitter)
Grímsvötn (Iceland): (17 Jun) One of Iceland's most active volcanoes might be getting ready for a new eruption. Recent observations by scientists from the Icelandic Met Office (IMO) monitoring the sub-glacial volcano lead to this conclusion, IMO reported in a recent press release.
In the last weeks, several measurements were done at Grimsvötn volcano. They discovered a currently very high output of SO2 gas in the southwest corner of the caldera in Grimsvötn, very close to the eruption sites of 2004 and 2011, a clearly alarming finding: "This is the first time that we measure so much SO2 at a volcano in Iceland that is not in an eruptive phase and its presence is indicative of magma at shallow level", said volcanologist Melissa Anne Pfeffer from the IMO who was among the specialist during the recent measurements. In the area where geothermal activity of the volcano can be detected at the surface, this has also notably increased.
... [read more]

Reykjanes (Reykjanes peninsula (SW Iceland)): (17 Jun) The Icelandic Met Office (IMO) reported that in mid-May deformation data (GPS and InSAR measurements) started to show again signs of inflation, suggesting that a third intrusion since the beginning of this year is occurring west of Thorbjörn. The intrusion began around mid of May but the seismic activity started to increase toward the end of the month (30 May). About 2000 earthquakes have been detected since then and several events are located East of Thorbjörn, few kilometers North of the town of Grindavík. The largest earthquake of this swarm occurred on 13 June with magnitude M 3.5.
Since the beginning of the volcanic unrest, in January this year, the total uplift measured in the area is assessed to be around 12 cm. Between the inflation periods, slight deflation has been observed, probably reflecting the cooling of the intruded magma or the interaction with the geothermal system. Numerical modelling results show that this third intrusion is occurring roughly in the same area as the previous ones, i.e. at about 1 km West of Thorbjörn, at a depth of 3-4 km, with a width of few hundreds of meters and oriented NE-SW for about 6 km.
... [read more]

Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20200617/1500Z VA CLD UNKNOWN OBS VA DTG:17/1440Z

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 10 kts in NW direction.
The full report is as follows: CONTINUOUS VA TO FL070 OBS AT 17/1750Z OBS VA DTG:17/1845Z to 7000 ft (2100 m)
...17 Jun:
Volcanic Ash Advisory Center (VAAC) Darwin reported that an explosion occurred at 15:45 local time today.
Emissions of gas, steam and white-gray ash from the active crater reached approx. 7,000 ft (2,100 m) altitude. Volcanic ash is dispersed towards the northwest and causes ash fall onto the volcano's slopes.
... [read more]

Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 .
The full report is as follows: CONTG FQT VA EMS to 21000 ft (6400 m)

Pacaya (Guatemala): (17 Jun) INSIVUMEH reported that three lava flows continue to be observed from Mackenney summit crater. Two lava flows continue to be active on the north slopes of the volcano and one lava flow continues to be active on the west flank.
Glowing lava spatter is being ejected to an approximate height of 25 to 50 meters above the crater.
... [read more]

Fuego (Guatemala): (17 Jun) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS HAS DISP

Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA NOT OBS

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 and is moving at 15 kts in SE direction.
The full report is as follows: NOT GIVEN to 19000 ft (5800 m)

Copahue (Chile/Argentina): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: NO ERUPTION

Volcano Activity Summary for 17 Jun 2020:

Currently erupting:

Aso (central Kyushu, Japan): Volcanic Ash Advisory (updated 7 Jun 2020)
Dukono (Halmahera): Volcanic Ash Advisory (updated 17 Jun 2020)
Ebeko (Paramushir Island): activity remains elevated (updated 12 Jun 2020)
Erebus (Antarctica): active lava lake in summit crater (updated 8 Dec 2014)
Erta Ale (Danakil depression, Ethiopia): new fissure vent on lower ESE flank with new lava flows (updated 19 Aug 2019)
Etna (Sicily, Italy): strombolian activity continues (updated 22 May 2020)
Fuego (Guatemala): Volcanic Ash Advisory (updated 15 Jun 2020)
Ibu (Halmahera, Indonesia): Volcanic Ash Advisory (updated 7 Jun 2020)
Karangetang (Siau Island, Sangihe Islands, Indonesia): Volcanic Ash Advisory (updated 2 Apr 2020)
Klyuchevskoy (Kamchatka): effusive-explosive eruption of the volcano continues (updated 15 Jun 2020)
Masaya (Nicaragua): minor ashfall (updated 24 Oct 2019)
Merapi (Central Java, Indonesia): intermittent vulcanian explosions, slow lava dome growth with incandescent avalanches in summit crater (updated 4 May 2020)
Nishino-shima (Volcano Islands, Japan): effusive-explosive eruption of the volcano continues (updated 16 Jun 2020)
Nyiragongo (DRCongo): new vent on crater floor (updated 7 Aug 2019)
Pacaya (Guatemala): three lava flows; strombolian activity continues from the summit crater (updated 17 Jun 2020)
Popocatépetl (Central Mexico): Volcanic Ash Advisory (updated 8 Jun 2020)
Reventador (Ecuador): Volcanic Ash Advisory (updated 5 Jun 2020)
Sabancaya (Peru): Volcanic Ash Advisory (updated 11 Jun 2020)
Sakurajima (Kyushu, Japan): Volcanic Ash Advisory (updated 8 Jun 2020)
Sangay (Ecuador): increasing activity (updated 16 Jun 2020)
Santiaguito (Guatemala): growing lava dome (updated 15 Jun 2020)
Semeru (East Java, Indonesia): Volcanic Ash Advisory (updated 5 Jun 2020)
Shiveluch (Kamchatka): Volcanic Ash Advisory (updated 15 Jun 2020)
Stromboli (Eolian Islands, Italy): lava overflow on Sciara del Fuoco, frequent strombolian explosions (updated 15 Apr 2020)
Yasur (Tanna Island, Vanuatu): minor ash emissions (updated 21 May 2020)

Eruption warning / minor activity:

Barren Island (Indian Ocean): mild explosive activity from summit cone (updated 6 Nov 2019)
Copahue (Chile/Argentina): Volcanic Ash Advisory (updated 25 Dec 2019)
Karymsky (Kamchatka): Volcanic Ash Advisory (updated 1 Jun 2020)
Kerinci (Sumatra): activity resumes (updated 16 Apr 2020)
Krakatau (Sunda Strait, Indonesia): Volcanic Ash Advisory (updated 8 May 2020)
Kuchinoerabu-jima (Ryukyu Islands): Volcanic Ash Advisory (updated 8 May 2020)
Nevado del Ruiz (Colombia): explosive activity continues (updated 1 May 2020)
Nevados de Chillán (Central Chile): explosive activity continues; glow visible at night (updated 11 Jun 2020)
Nyamuragira (DRCongo): the eruption continues (updated 12 Nov 2019)
Rincón de la Vieja (Costa Rica): phreatic explosion yesterday (updated 2 Jun 2020)
Sangeang Api (Indonesia): activity remains unchanged; emissions to 10,000 ft (updated 10 Jun 2020)
Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory (updated 1 Jun 2020)
Villarrica (Central Chile): Alert level raised to Orange (updated 30 Jan 2020)

Previous news
Map of today's active volcanoes
Monday, Jun 15, 2020
Bardarbunga (Central Iceland): On 14 June at 16:32 local time an earthquake with magnitude M 3.4 was detected by the seismic network in the Bardarbunga caldera, one aftershock of M 1.2 followed. Tremor has not shown significant variations. ... [more]
Map of today's active volcanoes
Sunday, Jun 14, 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 10 kts in NE direction. ... [more]

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