Latest Volcanic Activity

According to the Tokyo Volcanic Ash Advisory Center (VAAC) a possible eruption at the Ivao Group may have generated an ash plume that rose 2.7 km (9,000 ft) a.s.l. and drifted E at 2150 on 29 May. Any ash had dissipated by 0120 on 30 May. Source: Tokyo Volcanic Ash Advisory Center (VAAC)

The Rabaul Volcano Observatory (RVO) reported that the eruption at Titan Ridge continued during 28 May-4 June. After a decrease in activity over a couple of days the number of hydroacoustic signals significantly increased during 28-29 May, signifying the resumption of semi-continuous activity. Weath...

The Japan Meteorological Agency (JMA) reported increasing seismicity at Tokachidake. Fumarolic activity, including the volume of plumes and the rate of volcanic gas emissions at Crater 62-2, remained high. Seismicity began gradually increasing in April, with occasional temporary spikes in earthquake...

The Japan Meteorological Agency (JMA) reported ongoing eruptive activity at Minamidake Crater (Aira Caldera?s Sakurajima volcano) during 25 May-1 June. Very small eruptive events were detected during 25-29 May. Crater incandescence was visible in nighttime webcam images during 29 May-1 June. Eruptiv...

The Wellington Volcanic Ash Advisory Center (VAAC) reported that ash-and-gas plumes from Ambae were identified in satellite and/or webcam images and seen by local observers during 28-29 May and 3 June; plumes rose to 1.2-3 km (4,000-10,000 ft) a.s.l. and drifted SW, E, NW. The Alert Level remained a...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that eruptive activity at Dukono continued during 28 May-3 June. Daily white-to-gray or gray-to-black plumes rose 200-1,300 m above the summit and drifted NE, E, and SE. Faint rumbling was heard at the Dukono observation post (11 km...

The Alaska Volcano Observatory (AVO) reported that slow lava effusion continued to feed a thick flow in Great Sitkin?s summit crater during 28 May-3 June. Radar data acquired on 29 May confirmed that slow growth was concentrated along the E margin. Minor seismicity was detected on most days. Weather...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that activity at Ibu continued during 28 May-3 June, with daily eruptive events recorded by the seismic network. Daily gray or white-to-gray ash plumes rose 300-800 m above the summit and drifted NE and NW. Incandescence at the summ...

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported continuing eruptive activity at Kanlaon during 28 May-3 June. The seismic network recorded 7-24 daily volcanic earthquakes, including 0-12 daily periods of volcanic tremor lasting 3 minutes to six hours and 13 minutes each. S...

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 20-27 May. Nighttim...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported ongoing eruptive activity at Lewotolok during 28 May-3 June. Daily white plumes rose as high as 100 m above the summit and drifted in multiple directions. An eruptive event at 2317 on 28 May generated a white-and-gray plume that ros...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that eruptive activity at Marapi (on Sumatra) continued during 28 May-3 June. At 0842 on 30 May a dense gray ash plume rose to around 2 km above the summit and drifted NE. Eruptive events were recorded at 1956 on 2 June and at 0305 ...

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption at Mayon continued during 28 May-3 June, characterized by lava effusion, pyroclastic density currents (PDCs), incandescent rockfalls, ash-and-gas plumes, and occasional minor Strombolian activity. Emissions ...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that the eruption at Merapi (on Java) continued during 28 May-3 June with occasional lava avalanches produced by the active lava dome on the upper SW flank. White plumes rose as high as 150 m above the summit on most days. During 29...

The Servicio Geol�gico Colombiano?s (SGC) Observatorio Vulcanol�gico y Sismol�gico de Manizales reported that eruptive activity at Nevado del Ruiz continued during 26 May-1 June. Seismic data indicated that events associated with fluid movement were similar in both number and intensity compared to t...

The Centro Nacional de Prevenci�n de Desastres (CENAPRED) reported that eruptive activity was low at Popocat�petl during 27 May-3 June. The seismic network recorded 26-267 long-period events per day, accompanied by steam-and-gas emissions with occasional ash content that drifted SE, S, and SW. A min...

The Servicio Geologico Colombiano (SGC) reported ongoing low-level eruptive activity at Purac� during 26 May-1 June. Seismic activity associated with rock fracturing processes was mainly located beneath Piocollo and Purac� volcanoes at depths of 1-3 km; the level of seismicity was similar to the pre...

The Instituto Geof�sico del Per�?s (IGP) Centro Vulcanol�gico Nacional (CENVUL) reported continuing eruptive activity at Sabancaya during 25-31 May. The seismic network detected 54 seismic events related to the movement of magmatic fluids and additional earthquakes indicating rock fracturing. No exp...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that activity continued at Semeru during 28 May-3 June, with daily eruptive events recorded by the seismic network. Daily white-to-gray or gray ash plumes rose 300-2,000 m above the summit and drifted in multiple directions. Accordi...

The Kamchatkan Volcanic Eruption Response Team (KVERT) reported continuing eruptive activity at the lava domes along the N crater floor of Young Sheveluch (on the SW flank of Old Sheveluch) during 28 May-3 June. A thermal anomaly was identified in satellite images on most days; weather clouds occasi...

The Sezione di Catania - Osservatorio Etneo (INGV) reported that eruptive activity continued at Stromboli during 26 May-1 June. Webcam images showed Strombolian activity from five vents in Area N within the upper part of the Sciara del Fuoco, and from at least two vents in Area C-S (South-Central Cr...

The Washington Volcanic Ash Advisory Center (VAAC) reported that a period of ongoing ash emissions at Telica was visible in webcam images on 30 May rising to 1.5 km (5,000 ft) a.s.l. and drifting W and NW. Ash was not identified in satellite images, possibly due to weather clouds. Source: Washington...

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported decreasing unrest at Bur ni Telong. Seismicity began fluctuating in March, but began to decline in mid-May. Notably, the average number of deep volcanic earthquakes per day dropped from 6 to 3. No emissions were visible rising from ...