An earthquake happened, which triggered the tsunami.
An earthquake
An earthquake
The earthquake that caused the tsunami was on the same day, 29 September, 2009.
September 30th 2009
29 September 2009
30 September 2009
29 September 2009
September 29, 2009
30 September 2009
The tsunami was triggered by an earthquake.
An earthquake.
last year
It created the tsunami.