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Table 1 Parameters of earthquake doublets in the region. Doublet numbers correspond to Fig. 1. We define the earthquake doublet as being composed of two earthquakes with similar sizes: difference in moment magnitude of the events must be ≤ 0.3.

From: Source processes of the 2009 Irian Jaya, Indonesia, earthquake doublet

Doublet no.

Event

Origin time (UT)

Latitude (deg)

Longitude (deg)

Depth (km)

M w

Reference

1

July 14, 1971

06:11:29

−5.52

153.86

43

8.0

Lay and Kanamori (1980)

 

July 26, 1971

01:23:21

−4.93

153.18

43

8.1

 

2

Jan. 31, 1974

23:30:05

−7.50

155.90

16

7.3

 
 

Feb. 01, 1974

03:12:33

−7.80

155.60

16

7.4

 

3

July 20, 1975

14:37:39

−6.60

155.10

43

7.6

 
 

July 20, 1975

19:54:27

−7.10

155.20

43

7.3

 

4

May 17, 1992

09:49:19

7.24

126.64

32

7.1

Global CMT Catalog

 

May 17, 1992

10:15:30

7.19

126.76

33

7.2

 

5

Nov. 16, 2000

07:42:16

−5.23

153.10

26

7.5

Park and Mori (2007)

 

Nov. 16, 2000

21:01:56

−5.49

151.78

36

7.4

 

6

Jan. 03, 2009

19:43:54

−0.51

132.78

15

7.6

This study

 

Jan. 03, 2009

22:33:42

−0.71

133.34

12

7.4

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