Table 1: DETAILS OF SHOCK/ AFTER SHOCKS OF MAGNITUDE 5.0 AND ABOVE ON RICHTER SCALE ( Maximum daily ) RECORDED AT PORT BLAIR:

( Data Source: IMD, Port Blair recorded on Tri-axial motion accelerograph make: GEOSIG , installed in the IMD Observatory at Port Blair, A&N islands )

SL. DATE TIME LATITUDE LONGITUDE MAGNITUDE APPROX.
NO. (IST) ( N) ( E) (ON R.S) GEOGRAPHICAL LOCATION
1 26/12/2004 0629 03.34 94.13 9.0 West coast of Sumatra
2 27/12/2004 0620 12.96 92.12 6.0 40 Km. W Interview Island
3 28/12/2004 0141 03.27 95.51 5.8 500 Km. SSE of Indira Point
4 29/12/2004 0721 09.18 93.57 6.1 80 Km. ESE of Car Nicobar
5 30/12/2004 0243 05.94 94.59 5.8 180 Km. SE of Indira Point
6 31/12/2004 1124 11.54 91.93 5.8 60 KM. SW of Port Blair
7 01/01/2005 1156 05.60 91.7 6.3 240 Km SW of Indira Point
8 02/01/2005 2106 06.48 91.99 6.0 200 Km SW of Indira Point
9 03/01/2005 1444 10.9 91.99 5.0 35 Km W of Hut Bay
10 04/01/2005 1443 10.5 91.4 6.0 120 Km. W of Hut Bay
11 05/01/2005 2024 06.5 93.6 5.8 35 Km. W of Great Nicobar Island
12 07/01/2005 1330 07.3 93.5 5.7 30 Km. W of Little Nicobar
13 08/01/2005 0021 06.4 92.2 5.2 240 Km. SW Indira Point
14 09/01/2005 2247 05.4 93.5 5.4 280 Km. SW of Indira Point
15 10/01/2005 0343 05.4 94.0 6.2 240 Km. of SSW of Indira Point
16 11/01/2005 1120 08.7 93.7 5.2 55 Km. NE of Chowra Island
17 12/01/2005 1928 05.6 93.6 5.4 200 Km. S of Indira Point
18 13/01/2005 0015 06.9 96.1 5.1 240 Km. SE of Indira Point
19 14/01/2005 2318 12.2 92.5 5.1 80 Km. NW of Port Blair
20 15/01/2005 1317 15.3 92.2 5.4 300 Km. NNW of South Islands
21 20/01/2005 0221 4.5 92.0 5.2 240 Km. SW of Indira Point
22 21/01/2005 0057 07.4 92.8 5.2 110 Km. W of Little Nicobar
23 22/01/2005 1829 6 94.5 5.0 330 Km. SW of Indira Point
24 23/01/2005 1001 5.5 92.5 5.1 220 Km. SW of Indira Point
25 24/01/2005 0947 7.5 91.8 6.5 220 Km. W of Indira Point
26 26/01/2005 2301 8.4 93.9 5.7 East coast of Car Nicobar
27 27/01/2005 1227 8.8 93.8 5.8 Off North coast of Camorta Island
28 28/01/2005 1141 8.7 93.7 5.6 60 Km. NW of Chowra Island
29 29/01/2005 0049 8.9 93.8 5.4 85 Km. SE of Car Nicobar
30 30/01/2005 0159 9.9 94.9 5.7 340 Km. SE of Hut Bay
31 31/01/2005 2200 8.8 93.9 5.2 East coast of Car Nicobar
32 01/02/2005 0638 8.8 93.8 5.3 East coast of Car Nicobar
33 02/02/2005 1853 9.3 94.4 5.2 Off East Coast of Car Nicobar
34 03/02/2005 1021 6.4 92.1 5.8 Off coast of Great Nicobar
35 04/02/2005 1515 8.9 93.9 5.5 Off East Coast of Car Nicobar
36 05/02/2005 2306 8.4 93.6 5.8 Off North coast of Camorta
37 06/02/2005 0954 14 93.0 5.6 Off North coast of North Andaman
38 07/02/2005 0544 8.2 93.4 5.3 East coast of Camorta
39 09/02/2005 0816 7.1 91.9 5.5 Off West coast of Great Nicobar
40 10/02/2005 0705 7.8 93.3 5.0 50 Km. SW of Katchal
41 13/02/2005 0652 6.2 94.4 5.2 Off coast of North Sumatra
42 14/02/2005 2237 6.5 98.8 5.8 Off coast of North Sumatra
43 15/02/2005 0803 01.6 92.6 5.6 Off West coast of Sumatra
44 16/02/2005 1350 8.9 93.9 5.6 Off East Coast of Camorta
45 17/02/2005 1101 5.7 95.2 5.8 Off coast of North Sumatra
46 19/02/2005 0104 6.4 94.1 5.7 Off South coast of Great Nicobar
47 20/02/2005 1714 12 92.2 5.4 South Andaman
48 11/03/2005 1830 8.8 93.9 5.3 140 Km East of Car Nicobar
49 12/03/2005 0405 5.4 95.2 5.5 200 Km. South of Indira Point
50 13/03/2005 0414 10 92.1 5.3 75 Km. SW of Hut Bay
51 14/03/2005 0343 6.4 94.0 5.6 Off South coast of Great Nicobar
52 16/03/2005 1210 5 95.0 5.3 300 Km. South of Indira Point
53 18/03/2005 0451 5.7 94.9 5.4 110 Km. SE of Indira Point
54 19/03/2005 0831 4.3 94.5 5.0 West coast of Sumatra
55 21/03/2005 1944 12.3 92.1 5.0 Off west coast of Middle Andaman
56 22/03/2005 1509 13.2 92.3 5.3 Off west coast of North Andaman
57 23/03/2005 1447 12.6 92.8 5.3 Off west coast of Middle Andaman
58 25/03/2005 0635 6.5 93.9 5.4 South of Great Nicobar Island
59 26/03/2005 2110 4.9o S 129.5 5.6 Banda Sea
60 28/03/2005 2140 03.03 97.54 8.3 Off West coast of Sumatra
61 29/03/2005 0507 01.5 98.4 5.7 Off West coast of Sumatra
62 30/03/2005 2150 03.6 95.4 5.9 Off West Coast of Northern Sumatra
63 31/03/2005 0511 02 96.2 5.1 Off West coast of Sumatra
64 01/04/2005 1607 2.7 96.7 5.5 Off West coast of Sumatra
65 02/04/2005 0202 0.4 96.7 5.6 Off West coast of Sumatra
66 03/04/2005 0841 2.2 97.6 6.1 Off West coast of Sumatra
67 05/04/2005 1507 02.3 97.1 5.1 Off West Coast of Sumatra
68 07/04/2005 1706 01.1 98.2 5.8 Off West Coast of North Sumatra
69 08/04/2005 1118 1.3o S 98.7 5.7 Off West coast of Sumatra
70 09/04/2005 0911 0.5o S 97.0 5.1 Off West coast of Sumatra
71 10/04/2005 1559 1.0o S 100.1 6.4 Off West coast of Sumatra
72 11/04/2005 0352 36.5 139.9 6.2 Japan
73 12/04/2005 0022 02.9 100.7 5.4 Off West coast of Sumatra
74 13/04/2005 2259 3.0o S 102.0 5.2 Southern Sumatra
75 14/04/2005 1700 1.4o S 99.6 5.8 Off West coast of Sumatra