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Earth, Planets and Space

Table 1. List of 2008–2012 main eruptions of Shinmoedake.

From: The 2011 eruptive activity of Shinmoedake volcano, Kirishimayama, Kyushu, Japan—Overview of activity and Volcanic Alert Level of the Japan Meteorological Agency—

No.

date

Plume height(m)

Max Seismic Amp. (μ/sec) (SSE)

Max Air wave Amp. (Pa) (YNN)

Remarks

1

2008/08/22 16:34

unknown

23.6

unknown

Phreatic

2

2010/03/30 08:00

unknown

15.3

 

Phreatic

3

2010/04/17 01:14

unknown

5.4

0.7

Phreatic

4

2010/05/27 15:37

>100

50.7

2.6

Phreatic

5

2010/06/27 01:35

unknown

25.6

1.1

Phreatic

6

2010/06/28 16:02

unknown

31.5

0.7

Phreatic

7

2010/07/05 11:03

-

unknown

unknown

Phreatic

8

2010/07/10 05:28

>300

101.8

4.4

Phreatic

g

2011/01/19 01:27

unknown

69.6

1.4

Phretomagmatic

10

2011/01/22 07:30

200

unknown

 

Phretomagmatic

n

2011/01/26 07:31

200

unknown

 

Phretomagmatic

12

2011/01/26 14:49

3000

403.5

1.6

 

13

2011/01/26 17:05

3000

52.0

9.5

Subplinian 7000m⋇ (Shimbori et al. submitted)

14

2011/01/26 18:50

2000

unknown

-

 

15

2011/01/27 02:20

2000

98.9

9.1

Subplinian 7000m⋇ (Shimbori et al. submitted)

16

2011/01/27 15:41

>2500

3327.0

39.7

Vulcanian

17

2011/01/27 17:20

3000

156.9

8.5

Subplinian 7000m⋇ (Shimbori et al. (submitted))

18

2011/01/28 12:47

>1000

773.0

81.8

Vulcanian

19

2011/01/30 13:57

unknown

829.0

21.7

Vulcanian

20

2011/02/01 07:54

2000

3767.0

458.4

Vulcanian

21

2011/02/01 23:19

>2000

3541.0

185.5

Vulcanian

22

2011/02/02 05:25

>2000

3408.0

299.6

Vulcanian

23

2011/02/02 10:47

>500

1501.0

86.5

Vulcanian

24

2011/02/02 15:53

3000

5306.0

72.4

Vulcanian

25

2011/02/03 08:09

1500

963.0

26.0

Vulcanian

26

2011/02/04 09:42

3000

290.0

15.7

 

27

2011/02/06 03:16

>2000

249.4

14.9

 

28

2011/02/07 06:07

1500

1313.8

16.4

 

29

2011/02/07 18:09

1200

70.8

  

30

2011/02/11 11:36

2500

3410.0

244.3

Vulcanian

31

2011/02/14 05:07

unknown

16517.0

332.1

Vulcanian

32

2011/02/18 18:16

3000

2479.0

31.4

Vulcanian

33

2011/02/24 03:38

>600

214.4

0.4

 

34

2011/02/28 17:08

300

33.4

1.3

 

35

2011/03/01 19:23

unknown

2485.0

69.6

Vulcanian

36

2011/03/03 18:08

>1500

140.6

5.5

 

37

2011/03/08 02:50

1000

122.4

6.4

 

38

2011/03/13 17:45

4000

161.1

7.2

 

39

2011/03/23 08:23

1000

91.7

1.4

 

40

2011/03/29 03:33

500

17.1

0.1

 

41

2011/04/03 08:41

3000

135.7

2.7

 

42

2011/04/09 01:06

unknown

69.4

0.7

 

43

2011/04/18 19:22

2000

64.6

3.3

 

44

2011/08/31 02:43

500

79.1

0.9

 

45

2011/09/07 06:00

300

16

-

 
  1. ⋇ Shimbori et al. (submitted) estimated ash plume height by weather radars. 7000m in remarks are ash plume height estimated by Shimbori et al. (submitted).
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