Latest Volcanic Activity

The Vanuatu Meteorology and Geohazards Department (VMGD) reported that the eruption at Ambae continued during 21-26 August, with explosive activity producing tall ash plumes on 25 August. Continuous plumes of gas, steam, and ash were visible in satellite and webcam images drifting NW during 21-24 Au...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) and a news source reported that an eruption at Karangetang?s North Crater (Kawah Dua) continued during 20-26 August. Daily white plumes rose as high as 400 m above the summit and drifted in various directions. Incandescence at both the North...

The Kamchatkan Volcanic Eruption Response Team (KVERT) reported that the eruption at Klyuchevskoy continued at the summit crater during 20-26 August. A thermal anomaly was identified in satellite images on most days; weather clouds sometimes obscured views. Ash plumes periodically rose as high as 6 ...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported ongoing eruptive activity at Krakatau during 20-26 August. Daily ash-and-gas plumes that were a mixture of white, gray, and black colors rose 100-400 m above the summit and drifted mainly NW, W, and SW. Several webcam images showed ...

The Servicio Nacional de Geolog�a y Miner�a (SERNAGEOMIN) and the Servicio Geol�gico Minero Argentino (SEGEMAR) reported that a passive, low-altitude, and low-energy ash plume from Nevados de Chill�n drifted S on 12 August. The Alert Level remained at Yellow (the second lowest level on a four-color ...

The Servicio Nacional de Geolog�a y Miner�a (SERNAGEOMIN) reported that several episodes of minor explosive activity in Villarrica?s summit crater were observed beginning at 0239 on 21 August when a plume rose 40 m above the crater rim. Incandescence from the lava lake was visible overnight during 2...

The Japan Meteorological Agency (JMA) reported ongoing eruptive activity at Minamidake Crater (Aira Caldera?s Sakurajima volcano) during 17-24 August. Crater incandescence was visible in nighttime webcam images. An eruptive event at 2029 on 17 August generated an ash plume that rose as high as 1.9 k...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that eruptive activity at Dukono continued during 20-26 August. White-and-gray ash plumes rose as high as 1.4 km above the summit and drifted in various directions on most days; weather conditions obscured views on 26 August. The Al...

The Sezione di Catania - Osservatorio Etneo (INGV) reported eruptive activity at Etna?s summit craters during 17-23 August characterized by weak explosive activity and ash emissions at Voragine Crater (VOR), Bocca Nuova (BN) Crater, and Northeast Crater (NEC), and effusive activity from two vents wi...

The Instituto Nacional de Sismolog�a, Vulcanologia, Meteorologia e Hidrolog�a (INSIVUMEH) reported that eruptive activity at Fuego continued during 19-26 August. Daily explosions recorded by the seismic network, at rates of 2-10 per hour when reported, generated gas-and-ash plumes that rose as high ...

The Alaska Volcano Observatory (AVO) reported that slow lava effusion continued to feed a thick flow in Great Sitkin?s summit crater during 19-26 August based on webcam and satellite images. The flow gradually expanded E. Minor earthquakes were detected daily, likely associated with rockfalls on the...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that activity at Ibu continued during 20-26 August, with daily eruptive events recorded by the seismic network. Gray or white-to-gray ash plumes rose 300-1,000 m above the summit and drifted in multiple directions, especially toward...

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported continuing eruptive activity at Kanlaon during 19-26 August. The seismic network recorded 0-8 daily volcanic earthquakes; the counts included three periods of tremor during 24-25 August, lasting 21 minutes to five hours and 4...

The Hawaiian Volcano Observatory (HVO) reported that the eruption within Kilauea?s Kaluapele summit caldera, characterized by episodic fountaining, incandescence, and intermittent spatter from craters along the SW margin of Halema`uma`u Crater, continued at variable levels during 19-26 August. Conti...

The Darwin Volcanic Ash Advisory Centre (VAAC) reported that an ash plume from Langila rose 1.8 km (6,000 ft) a.s.l. and drifted NW on 24 August based on satellite images. On 26 August an ash plume rose 2.1 km (7,000 ft) a.s.l. and drifted NW. Source: Darwin Volcanic Ash Advisory Centre (VAAC)

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that eruptive activity continued at Lewotobi Laki-Laki during 20-26 August. Multiple daily gray ash plumes rose 200-1,000 m above the summit and drifted mainly NW, W, and SW on most days; white plumes rose as high as 100 m above the...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported continuing eruptive activity at Lewotolok during 20-26 August. Daily white plumes rose as high as 300 m above the summit and drifted NW, W, and SW. Incandescent material was ejected above the summit and onto the flanks. Active lava ...

The Centro Nacional de Prevenci�n de Desastres (CENAPRED) reported that eruptive activity was low at Popocat�petl during 19-26 August. The seismic network recorded 4-13 long-period events per day, accompanied by steam-and-gas emissions; the emissions contained ash that drifted NE, NW, and W during 2...

The Servicio Geologico Colombiano (SGC) reported intensifying eruptive activity at Purac� during 18-26 August. Signals associated with fluid movement dominated the seismicity and were characterized as tremor-type signals and, to a lesser extent, long-period events located beneath Purac� volcano at d...

The Observatorio Vulcanol�gico y Sismol�gico de Costa Rica-Universidad Nacional (OVSICORI-UNA) reported that one or two small phreatic eruptions per day at Rinc�n de la Vieja were recorded by the seismic and infrasound networks during 20-23 and 25 August. None of the events were visually observed. A...

The Instituto Geof�sico del Per�?s (IGP) Centro Vulcanol�gico Nacional (CENVUL) reported continuing eruptive activity at Sabancaya during 17-23 August. The seismic network detected 34 seismic events associated with the movement of magmatic fluids, along with earthquakes indicating internal rock frac...

The Instituto Nacional de Sismolog�a, Vulcanolog�a, Meteorolog�a e Hidrolog�a (INSIVUMEH) reported ongoing eruptive activity at Santa Maria?s Santiaguito dome complex during 19-26 August, with continuing lava extrusion at Caliente dome. Incandescence at the summit was observed during dark hours. Eff...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that activity continued at Semeru during 20-26 August, with daily eruptive events recorded by the seismic network. Daily white-to-gray or gray ash plumes rose 400-1,100 m above the summit and drifted multiple directions. A few webca...

The Kamchatkan Volcanic Eruption Response Team (KVERT) reported continuing lava effusion and explosive activity at the lava domes along the N crater floor of Young Sheveluch (on the SW flank of Old Sheveluch) during 19-26 August. A thermal anomaly was identified in satellite images on most days; wea...

The Sezione di Catania - Osservatorio Etneo (INGV) reported that eruptive activity continued at Stromboli during 17-23 August. Webcam images showed Strombolian activity from vents in Area N within the upper part of the Sciara del Fuoco, and vents in Area C-S (South-Central Crater) on the crater terr...

The Washington Volcanic Ash Advisory Center (VAAC) reported that an ash plume at Telica was identified in webcam and satellite images on 20 August rising to 1.2 km (4,000 ft) a.s.l. and drifting SW. Source: Washington Volcanic Ash Advisory Center (VAAC)