Global Volcanic Activity – New Activity for the week of 10 April – 16 April 2019
Asosan | Kyushu (Japan) : JMA reported an increase in the amplitude of volcanic tremor at Asosan on 14 April, increasing the possibility of an eruption at Nakadake Crater. The Alert Level was raised to 2 (on a scale of 1-5). Tremor amplitude further increased on 15 April. A very small eruption was recorded at 1828 on 16 April, producing a plume that rose 200 m above the crater rim and drifted NW.
Tengger Caldera | Eastern Java (Indonesia) : The Darwin VAAC reported that during 10-11 and 15-16 April ash plumes from Tengger Caldera’s Bromo cone rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted in multiple directions, based on webcam images and satellite data. The Alert Level remained at 2 (on a scale of 1-4), and visitors were warned to stay outside of a 1-km radius of the crater.
Villarrica | Chile : POVI reported that during 14-15 April lava fountains at Villarrica were visible rising as high as 70 m above the crater rim. Seismicity was low.