Semeru Volcano Volcanic Ash Advisory: HIGH LEVEL ERUPTION TO 40000 ft (12200 m) - Grimsvötn Update

Semeru Volcano Volcanic Ash Advisory: HIGH LEVEL ERUPTION TO FL400 OBS VA DTG: 04/0925Z to 40000 ft (12200 m) Semeru volcano (East Java, Indonesia): massive eruption this afternoon sends hot avalanche to inhabited areas Grimsvötn volcano (Iceland): glacial flood peak expected on Sunday Grimsvotn Volcano Seismic Measurements Live Support Our Work! Become A Patron Subscribe To Oppenheimer Ranch Project - Our Main Channel!