Table 2. Sequence of the 1108 eruption of Asama reconstructed from Chuyuki


August 29 Start of the eruption. A heavy ash-fall was observed in Maebashi, 50 km E of Asama (the lower half of the B scoria).

late August or early September Climactic eruption of the Oiwake pyroclastic flow, but no description in Chuyuki .

A pause of about 20 days

September 25 to October 11 In Kyoto, 300 km SW of Asama, a drum-like sound and a red glow were observed to the east. (the upper half of the B scoria)


in the Julian calendar