Sr. No.

Epicenter (Lat, Long) and Magnitude of Earthquake

Date

Enhancement or Depletion in TEC Prior to EQ

No of Satellite Passes Prior to EQ

1

Southeast of the Loyalty Island (22˚36'S, 170˚54'E) M 6.6

19/1/2009

Enhancement 3, 9 and 12 days Figure 1(a)

Increase7, 6, 5 and 3days 1(d)

2

Izu Islands, Japan region (32˚48'N, 140˚36'E) M 6.6

12/8/2009

Enhancement 2, 4, 6 and 7, Depletion 9 and 10 days 2(a)

Increase 7, 6, 4 and 2 days 2(d)

3

Ryukyu Islands, Japan (23˚30'N, 123˚30'E) M 6.7

17/8/2009

No enhancement 3(a)

Increase 7 days 3(d)

4

Haiti (18˚24'N, 72˚30'W) M 7.0

12/1/2010

Enhancement 2 and 3 days 4(a)

Increase 2, 3 and 5 days 4(d)

5

Liberatador O Higgins, Chile (34˚12'S, 71˚W) M 6.9

11/3/2010

Enhancement 7 days 5(a)

Increase 7 days 5(d)