BASIC INFORMATION
Eruption onset date | Feb. 2.2020 |
---|---|
Eruption onset time (LST) | 14:14 |
Eruption column top (m) | 2000 |
Total ashfall amount (kg) | 2.84E+05 |
Total ashfall area (km2) | 7.69 |
SPECIFIC INFORMATION
TRM-XMP Radar (MLIT)
Fig. 2-1 Accumulated ash fall distribution (animation).
Fig. 2-2 Ash fall duration time (animation).
Fig. 2-3 Temporal change of total ash fall amount.
Fig. 2-4 Temporal change of total ash fall area.
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. 6-2 Gamma fitting curves of observed particle size distributions.
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. 6-5 Histograms of observed gamma PSD parameters.
Fig. 6-6 Histograms of observed normalized gamma PSD parameters.