Asama, Honshu, Japan

JMA reported weak incandescence from Asama on 23 March. Strong steam emissions were seen on 30 March by an observer in Maebashi, 50 km E.
Sources: Japan Meteorological Agency (JMA), Yukio Hayakawa, personal communication – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”
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Asama, Honshu, Japan

Based on information from JMA, the Tokyo VAAC reported that during 11-12 February eruptions from Asama produced plumes that rose to altitudes of 3-3.7 km (10,000-12,000 ft) a.s.l. and drifted NE, E, and SE. JMA reported that on 16 and 17 February eruptions produced colored plumes containing ash that rose to an altitude of 3 [...]

Asama, Honshu, Japan

JMA reported that an eruption from Asama produced ash plumes that rose to altitudes of 3-4 km (10,000-13,100 ft) a.s.l. during 9-10 February. Ash fell in areas to the NE on 9 February.
Source: Japan Meteorological Agency (JMA) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”
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Asama, Honshu, Japan

Based on information from JMA, the Tokyo VAAC reported that on 14 August an eruption plume from Asama rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted S.
Source: Tokyo Volcanic Ash Advisory Center (VAAC) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”
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Asama, Honshu, Japan

Based on information from JMA, the Tokyo VAAC reported that on 10 and 11 August eruption plumes from Asama rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted SE and S, respectively.
Source: Tokyo Volcanic Ash Advisory Center (VAAC) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological [...]