Volcanic activity worldwide 14 Aug 2023: Etna volcano, Klyuchevskoy, Popocatépetl, Semeru, Reventad…

Map of today’s active volcanoes

Etna (Sicily, Italy): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Toulouse warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 15 kts in S direction.
The full report is as follows: ERUPTION AT 20230813/1930Z NOW STOPPED. NO ASH CLOUD PRODUCED. to 14000 ft (4300 m)
…14 Aug:
The recent paroxysm phase ended, and the activity of the volcano returned to background pre-eruption levels, the INGV reported.
Pulsating lava fountains from the South-East crater ceased at around 03:20 UTC. Thereafter, the volcano became calmer, with „only“ venting of continuous small emissions of ash from the crater, at 05:50 UTC it switched into an intermittent phase.
… [read more] … [show less]
Meanwhile, the lava flow on the southwestern flank of the SE crater stopped to be active.
The highly elevated volcanic tremor, which reached its peak at 01:20 UTC, decreased back to medium levels at 03:20 UTC, currently located at altitude of 2700 meters beneath the South-East crater.

…14 Aug:
The INGV volcano observatory reported that strombolian activity from the South-East crater began to increase last night.
The new eruption has been picking up gradually from 18:40 UTC, which became stronger and continuous, defined by a pulsating lava fountaining episode (likely to be classified as paroxysm) from the crater accompanied by continuous dense ash emissions. Glowing basaltic lapilli-to-bomb-sized scoria material has been regularly ejected onto the upper outer sloper of the crater and caused small incandescent avalanches. From an accessible webcam pointing to the eruptive site, the height of lava fountains seems to have surpassed by some lava jets several hundreds of meters above the vent.
… [read more] … [show less]
This resulted in a new lava flow triggering from the southern flank of the South-East crater.
Ash and black lapilli set (tephra) have been reported in the area of Rifugio Sapienza – Piano Vetore from the ongoing paroxysm.

Klyuchevskoy (Kamchatka): (14 Aug) The effusive eruption at the volcano continues at reduced levels.
The lava flow from the summit vent continues to be active, however recent satellite images (see the attached timelapse) of the heat radiation of the flow hint a decreasing trend of its advance some time from 2 August. Thus, the activity seems to be restricted to the close vicinity of the summit crater now.
The volcano entered the new effusive phase in late June this year and is still ongoing.

Ebeko (Paramushir Island): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 20 kts in SW direction.
The full report is as follows: POSS ERUPTION OBS AT 20230814/1540Z FL100 EXTD SW OBS VA DTG:14/1550Z to 10000 ft (3000 m)

Lewotolo (Lesser Sunda Islands): (14 Aug) The explosive eruption at the volcano continues.
Strombolian and occasional larger vulcanian-type explosions continue to take place from the summit crater within the main caldera. The PVMBG surveillance cameras observed two eruptions over the past two days. Grey ash plumes rose approx. 700-800 meters above the summit and drifted towards the west and northwest of the volcano.
… [read more] … [show less]
The local volcano observatory reported seismic signals with maximum amplitudes of 30.7 mm and a duration of 120 seconds.
From the latest satellite image acquired on 6 August, the lava flow on the eastern flank seems to be inactive or at least decreased its advance over the past few months.

Semeru (East Java, Indonesia): (13 Aug) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VONA STATE ERUPTION TO FL150 AT 13/2209Z MOV W

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: POSS VA EMS to 21000 ft (6400 m)

Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows: PSBL VA EMS. to 19000 ft (5800 m)

Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EM RPRTD AT 1815Z.

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 28000 ft (8500 m) altitude or flight level 280 .
The full report is as follows: INTERMITTENT EMISSION OF VA to 28000 ft (8500 m)

Ubinas (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 .
The full report is as follows: continuous ash emissions to 22000 ft (6700 m)

Volcano Activity Summary for 14 Aug 2023:

Weak ash emissions from the SE crater have continued this morning (image: Zafferana Etnea live webcam)