Volcanos

Roundup of Global Volcanic Activity - New activity for the week 22 March - 28 March 2023

Asamayama - Honshu (Japan) : JMA reported that inflation on Asamayama’s W flank began to be detected on 15 March, and the number of shallow volcanic earthquakes increased on 21 March. On 22 March JMA warned the public that very small eruptions may impact areas within 500 m of the crater.

Bezymianny - Central Kamchatka (Russia) : KVERT reported that at 1825 on 29 March an ash plume from Bezymianny rose as high as 6 km (19,700 ft) a.s.l. and drifted NE.

Kita-Ioto - Volcano Islands : JMA reported that a submarine eruption occurred at Funka Asane, a submarine vent 4-5 km NW of Kita-Ioto, at around 1800 on 27 March based on satellite images.

Ulawun - New Britain (Papua New Guinea) : RVO reported a short eruption at Ulawun, during 0408-0425 on 28 March, based on seismic data. A local volcano observer reported minor ashfall in areas to the NW including Ubili village, and the Ulamona Mission, Saltamana, and Ibana Village Oil Palm areas. According to the Darwin VAAC at 0600 an ash plume was visible in a satellite image drifting W at 3.4 km (11,000 ft) a.s.l.; the plume had dissipated by 1000.