Table 1. Sulfur dioxide flux observed during the 2011 Shinmoedake eruption.
From: Sulfur dioxide emissions during the 2011 eruption of Shinmoedake volcano, Japan
Date | No. of traverses | Av. flux (ton/day) | Max flux (ton/day) | Min flux (ton/day) | Wind speed (m/s) | Institution* |
|---|---|---|---|---|---|---|
27-Jan-11 | 10 | 15,000 | 22,200 | 9,800 | 19 | JMA&UT |
28-Jan-11 | 3 | 42,600 | 56,300 | 24,500 | 19 | UT |
30-Jan-11 | 3 | 11,000 | 11,000 | 11,000 | 20 | JMA |
01-Feb-11 | 5 | 8,800 | 12,200 | 6,600 | 3 –7 | UT |
02-Feb-11 | 5 | 5,500 | 7,000 | 4,600 | 7 –11 | UT |
03-Feb-11 | 13 | 8,400 | 15,200 | 2,200 | 12 –14 | UT |
21-Feb-11 | 2 | 150 | 180 | 100 | 2 | UT |
25-Feb-11 | 16 | 770 | 2,900 | 130 | 8 | JMA |
02-Mar-11 | 6 | 1,300 | 1,600 | 1,000 | 11 | JMA |
08-Mar-11 | 13 | 330 | 430 | 270 | 8 –15 | JMA&UT |
09-Mar-11 | 12 | 320 | 440 | 220 | 13 –15 | UT |
10-Mar-11 | 8 | 640 | 1,100 | 400 | 9 –10 | JMA&UT |
15-Mar-11 | 22 | 480 | 990 | 320 | 6 –12 | JMA&UT |
16-Mar-11 | 8 | 270 | 360 | 230 | 13 –15 | UT |
17-Mar-11 | 22 | 230 | 520 | 160 | 7 –12 | JMA&UT |
30-Mar-11 | 3 | 200 | 300 | 200 | 5 | JMA |
02-Apr-11 | 5 | 200 | 200 | 200 | 5 –8 | JMA |
13-May-11 | 5 | 200 | 200 | 100 | 15 –16 | JMA |
18-May-11 | 6 | 200 | 290 | 160 | 3 –4 | UT |
09-Jun-11 | 5 | 400 | 530 | 200 | 4 –6 | JMA |
24-Jun-11 | 6 | 1,400 | 1,820 | 970 | 8.6 –11.7 | JMA |
03-Aug-11 | 22 | 100 | 180 | 50 | 13 –15.5 | JMA&UT |
29-Aug-11 | 6 | 130 | 220 | 100 | 5.4 –8.0 | JMA |
01-Sep-11 | 6 | 2,000 | 2,600 | 1,630 | 12.7 –13.0 | JMA |
02-Sep-11 | 6 | 2,200 | 2,500 | 1,970 | 18.8 | JMA |
07-Sep-11 | 4 | 210 | 350 | 50 | 2.3 –3.4 | JMA |
01-Nov-11 | 6 | 260 | 440 | 190 | 8.3 | JMA |
21-Nov-11 | 4 | 340 | 450 | 170 | 7.3 –8.5 | JMA |
20-Dec-11 | 4 | 220 | 260 | 160 | 6.2 | JMA |
10-Jan-12 | 5 | 470 | 660 | 340 | 9.9 –11.9 | JMA |
23-Jan-12 | 5 | 220 | 310 | 90 | 5.1 –13.4 | JMA |
03-Feb-12 | 4 | 320 | 370 | 240 | 8.1 –10.3 | UT |
17-Feb-12 | 6 | 210 | 310 | 190 | 13.4 –15.7 | JMA |
19-Feb-12 | 4 | 330 | 440 | 250 | 7.9 –8.6 | UT |
13-Mar-12 | 4 | 40 | 60 | 20 | 2.7 –3.6 | UT |
22-Mar-12 | 5 | 120 | 170 | 60 | 7.9 | JMA |
06-Apr-12 | 4 | 130 | 150 | 100 | 9.8 | JMA |