ERUPTION ID:20-0390

BASIC INFORMATION

Eruption onset date Aug. 09,2020
Eruption onset time 05:38 LST
Eruption column top 5,000m
Total ashfall amount 2.84×10⁸ kg
Total ashfall area 84.43 km²

SPECIFIC INFORMATION

BASIC INFORMATION .1
BASIC INFORMATION .2

TRM-XMP Radar (MLIT)

Fig. 2-1 Distribution of temporally integrated ash fall amount observed by MLIT XMP radar.
Fig. 2-2 Distribution of observed ash fall duration observed by MLIT XMP radar.
Fig. 2-3 Temporal change of total ash fall amount.
Fig. 2-3 Temporal change of total ash fall amount.
Fig. 2-4 Temporal change of total ash fall area.
Fig. 2-4 Temporal change of total ash fall area.

DISDROMETER (DPRI)

Fig. 5-1 Distributions of particle fall speeds.
Fig. 5-1 Distributions of particle fall speeds.
Fig. 5-2 Particle size distributions (PSD).
Fig. 5-2 Particle size distributions (PSD).
Fig. 5-3 Temporal change of PSD parameters.
Fig. 5-3 Temporal change of PSD parameters.
Fig. 5-4 Temporal change of ash fall rate and PSD.
Fig. 5-4 Temporal change of ash fall rate and PSD.
Fig. 5-5 RA-ZA relationship.
Fig. 5-5 RA-ZA relationship.
Fig. 5-6 CA-ZA relationship.
Fig. 5-6 CA-ZA relationship.

NOTE

南岳 南岳A 噴石


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