News and Updates on Volcanoes and Earthquakes

The activity at the volcano continues at very high levels. ... Read all

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

The volcano remains very active over the past week. ... Read all

The Japan Meteorological Agency (JMA) lowered the Alert Level for Yakedake to 1 (on a scale of 1-5) at 1100 on 18 April, noting that seismicity has remind at low levels after a period of elevated seismicity was recorded during 3-9 March. JMA warned climbers to be alert to any changes at the volcano and to wear a helmet. ... Read all

The Japan Meteorological Agency (JMA) reported that eruptive activity at Suwanosejima's Ontake Crater continued during 14-21 April. Incandescence was observed nightly in webcam images. Eruptive activity generated emissions that rose 400 m above the crater rim. ... Read all

The Kamchatkan Volcanic Eruption Response Team (KVERT) reported that lava extrusion may have continued at Sheveluch's “300 years of RAS” dome on the SW flank of Old Sheveluch and at the Young Sheveluch dome during 10-17 April. Daily thermal anomalies over the domes were identified in satellite images. The Aviation Color Code remained at Orange (the second highest level on a four-color scale). ... Read all

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that activity continued at Semeru during 16-22 April, with multiple daily eruptive events recorded by the seismic network. White-and-gray ash plumes rose 500-1,300 m above the summit and drifted in multiple directions; ash plumes were not visible on 18 April. Incandescence at the summit was visible in a 17 April webcam image. ... Read all

The Balai Penyelidikan dan Pengembangan Teknologi Kebencanaan Geologi (BPPTKG) reported that the eruption at Merapi (on Java) continued during 11-17 April. Seismicity remained at high levels. The SW lava dome produced 46 lava avalanches that traveled as far as 2 km SW down the Bebeng drainage, 30 that traveled as far as 2 km SW down the Krasak drainage, and 46 that traveled as far as 2 km W down the Sat/Putih drainage. ... Read all

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that eruptive activity from Verbeek Crater at Marapi (on Sumatra) continued during 16-22 April. Ash plumes rose 200-1,000 m above the summit and drifted NE, E, SE, and S on 16, 19, and 21 April. An explosion was recorded at 2141 on 21 April but was not visually confirmed due to weather cloud cover. ... Read all

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that an eruption at Lewotolok was ongoing during 16-22 April. White steam-and-gas plumes rose as high as 100 m above the summit of the cone and drifted E and SE. Ash plumes rose 400 m above the summit and drifted SE on 17 April. ... Read all