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Volcanic activity worldwide 21 Mar 2020: Santiaguito volcano, Pacaya, Fuego, Klyuchevskoy, Popocaté...

Saturday Mar 21, 2020 21:00 PM | BY: SEVERAL CONTRIBUTORS

Map of today's active volcanoes
Map of today's active volcanoes
Erupting Klyuchevskoy volcano on 19 March (image: KVERT)
Erupting Klyuchevskoy volcano on 19 March (image: KVERT)
An ash plume from Kerinci volcano captured by satellite (image: Sentinel 2)
An ash plume from Kerinci volcano captured by satellite (image: Sentinel 2)
Incandescent material is ejected from the summit crater (image: CENAPRED)
Incandescent material is ejected from the summit crater (image: CENAPRED)
Traveled lahar down the SE flank from Ubinas volcano on 18 March(image: IGP)
Traveled lahar down the SE flank from Ubinas volcano on 18 March(image: IGP)
Klyuchevskoy (Kamchatka): The Volcanic Ash Advisory Center (VAAC) Tokyo reported that explosive strombolian activity continues from the active crater with near-constant ash emissions that reached 23,000 ft (7,000 m) altitude and drifted E.
Ongoing activity could affect low-flying aircrafts.
The Aviation Color Code remains Orange.

Aso (central Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ACTIVITY CONT. VA AT 20200321/1200Z FL050 EXTD NE OBS VA DTG:21/1150Z

Sakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20200321/1448Z OVER FL080 EXTD E OBS VA DTG:21/1440Z

Manam (Papua New Guinea): (20 Mar) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 .
The full report is as follows: VA TO FL100 MOV E OBS AT 20/2220Z OBS VA DTG:20/2300Z to 10000 ft (3000 m)

Kerinci (Sumatra): On 14 March PVMBG recorded an explosion at the volcano that generated a dense brown ash plume, which reached approx. 14,000 ft (4,300 m) altitude and drifted W and NW.
There is a 3 km exclusion zone around the main crater in place.
Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi volcano activity update 21 March 2020

Cleveland (Aleutian Islands, Alaska): (20 Mar) The Alaska Volcano Observatory (AVO) report that over the past week, no significant seismicity was detected at Cleveland volcano. Elevated surface temperatures in the summit crater and minor steaming that are consistent with continued unrest were observed.

“Additional episodes of lava effusion and explosions are likely and will occur without advance warning. The most recent explosion of Cleveland occurred on January 9, 2019. Explosions that have occurred over the last few years are normally short duration and only present a hazard to aviation in the immediate vicinity of the volcano. Larger explosions that present a more widespread hazard to aviation are possible, but less likely and/or frequent.”

Popocatépetl (Central Mexico): CENAPRED recorded one moderate explosion at 19:28 local time yesterday and drifted NE.
Additionally recorded 106 minutes of tremor and 138 emissions of water vapor, gases and light ash content.
... [read more]

Santiaguito (Guatemala): (21 Mar) INSIVUMEH report continued degassing plume expulsion reaching heights of around 3300 m.a.s.l. that drifted southwest over the villages of Loma Linda and San Marcos Palajunoj. The STG3 seismic station recorded mostly weak explosions, where some generated airplane turbine sounds. On the southern, eastern and southeastern flanks, the activity was generally block avalanches.

Pacaya (Guatemala): (21 Mar) The activity from the Mackenney crater continues. White and blue fumaroles, mainly composed of water vapor rise and drifts southwest. During low light, incandescence from strombolian-type explosions were observed with ejecta being thrown at heights of 50, 75 and 100 meters above the crater. Two lava flows are currently present, one 250 meters long, observed on the west flank and the other southwest 100 meters long. Seismic stations recorded tremor associated with the rise of magma and gases.

Fuego (Guatemala): 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 and is moving at 15-20 kts in SE direction.
The full report is as follows: CONT VA EMS to 15000 ft (4600 m)
...21 Mar:
INSIVUMEH report weak-moderate explosions, in a range of 10 - 12 per hour, expelled grey ash plumes, at heights between 4500 to 4800 m.a.s.l (14763 to 15748 feet) that scattered to the west, approximately 15 kilometers. Ashfall occurred in the villages of Morelia, Panimache, Santa Sofía, Sangre de Cristo, Yepocapa and few others. A number of explosions generated weak rumbling and shock waves. During low light, incandescence was observed from the crater that threw pulses of ejecta 200 meters high, accompanied by avalanches of moderate to large blocks, in the direction of the Taniluyá, Ceniza, Las Lajas, Trinidad, Seca and Honda ravines. In some of these regions, blocks reached the vegetation. The lava flow is now 1000 m in length in the direction of La Trinidad Canyon.

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: CONTG VA EMS 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 16000 ft (4900 m) altitude or flight level 160 and is moving at 10-15 kts in NE direction.
The full report is as follows: CONT VA EMS to 16000 ft (4900 m)

Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: UNABLE TO DETECT

Ubinas (Peru): IGP reported that the warning system at the volcano detected the decrease of a lahar (volcanic mud flow) of a low volume that traveled downslope in SE direction through the Volcanmayo ravine due to the streams that run through this sector. This is located 2 km away from the Ubinas town.
The population is recommended to stay away from the streams and avoid Querapi-Ubinas-Huarina highway.
Source: Instituto Geofísico del Perú volcano activity update 21 March 2020

Nevados de Chillán (Central Chile): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows: ISOLATED PUFF AT 12:58Z to 14000 ft (4300 m)
Previous news
Map of today's active volcanoes
Friday, Mar 20, 2020
Reykjanes (Reykjanes peninsula (SW Iceland)): (20 Mar) The Icelandic Meteorological Office (IMO) report that the inflation and associated uplift that occurred around Mt Thorbjorn volcano in January-February has started again. The deformation is occurring in the same location as before, but at a slower rate. The uplift started in January but paused temporarily at the end of February. The IMO suggest that since the beginning of March, the uplift is about 20 mm. The deformation is believed to be caused by continued magma accumulation at depth. The head of the National Hazard Monitoring Group at the IMO explains that these events doesn’t not guarantee that there will be an eruption any time soon. ... [more]
Map of today's active volcanoes
Tuesday, Mar 17, 2020
Aso (central Kyushu, Japan): (17 Mar) The Japan Meteorological Agency (JMA) reported that explosive activity from the active crater with near-constant grey-white plumes rose 196 ft (60 m) above the summit crater. ... [more]

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