News and Updates on Volcanoes and Earthquakes

The effusive-explosive eruption of the volcano continues and has remained essentially unchanged. ... Read all

The increased activity at the volcano, dominated by large eruption columns, continues. ... Read all

On 7 May, volcanologists from the KVERT Institute ventured into the field to survey the area near the volcano. ... Read all

Due to the heightened activity over the past month, the PVMBG raised the volcano's alert level from Level II (WASPADA) to Level III (ALERT) on 8 May. ... Read all

The activity has been picking up at the volcano again over the past few days. ... Read all

The eruption has ceased. Civil Defense experts conducted a drone flight over the eruption site on the night of 8 May. No signs of activity could be seen in the main crater. The activity had been gradually declining over the past month, as observed in the attached timelapse containing a series of Sentinel-2 satellite images. The eruption lasted almost 54 days. ... Read all

The eruptive activity continues. ... Read all

JMA reported that eruptive activity at Suwanosejima's Ontake Crater continued during 29 April-6 May. Crater incandescence was observed nightly in webcam images. Emissions rose as high as 600 m above the crater rim and blocks were ejected as far as 300 m from the crater's center; no explosions were detected. ... Read all

PVMBG reported that eruptive activity continued at Semeru during 1-7 May and seismicity remained at high levels. One incandescent lava avalanche traveled 800 m down the Besuk Kobokan drainage on the S flank. Eruptive events were recorded by the seismic network during 1-2 May, though plumes were not visually confirmed. ... Read all

INSIVUMEH reported that eruptive activity continued at Santa Maria's Santiaguito lava-dome complex during 30 April-7 May with a lava extrusion and blocks avalanches at the Caliente dome. Incandescence from the dome was visible during most nights and early mornings, and occasional incandescence was also present along the upper parts of the lava flow on the WSW flank. Daily explosions (1-5 per hour on most days) generated gas-and-ash plumes that rose 600-1,400 m above the summit and drifted as far as 25 km W, SW, S. ... Read all