ERUPTION ID：18-0427 | VASH

ERUPTION ID：18-0427

2023.08.21 / 最終更新日：2023.11.02

BASIC INFORMATION

Eruption onset date	Dec. 2.2018
Eruption onset time (LST)	12:15
Eruption column top (m)	-1600
Total ashfall amount (kg)	XRAINデータなし
Total ashfall area (km²)	XRAINデータなし

SPECIFIC INFORMATION

SVO-XMP Radar (DPRI)
Disdrometer (DPRI)

SVO-XMP Radar (DPRI)

Fig. 4-3 RHI images of radar reflectivity factor ZH (animation).

Fig. 4-4 RHI images of Doppler velocity VD(animation).

DISDROMETER (DPRI)

Fig. 6-1 Density plots of the particle size and fall velocity of volcanic ash particles.

Fig. 6-1 Density plots of the particle size and fall velocity of volcanic ash particles.

Fig. 6-2 Gamma fitting curves of observed particle size distributions.

Fig. 6-2 Gamma fitting curves of observed particle size distributions.

Fig. 6-3 Temporal change of gamma PSD parameters and integrated PSD parameters.

Fig. 6-3 Temporal change of gamma PSD parameters and integrated PSD parameters.

Fig. 6-4 Temporal change of ash fall rate and PSD.

Fig. 6-4 Temporal change of ash fall rate and PSD.

Fig. 6-5 Histograms of observed gamma PSD parameters.

Fig. 6-5 Histograms of observed gamma PSD parameters.

Fig. 6-6 Histograms of observed normalized gamma PSD parameters.

Fig. 6-6 Histograms of observed normalized gamma PSD parameters.

ERUPTION ID：18-0412

ERUPTION ID：19-0005

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