Random triples
| Subject | Object |
|---|---|
| gptkb:2009_Samoa_tsunami | issued |
| gptkb:Tsunami_of_2010 | issued |
| gptkb:2010_Haiti_Earthquake | no tsunami warning issued |
| gptkb:2011_Tōhoku_earthquake_and_tsunami | issued for multiple countries |
| gptkb:2004_Indian_Ocean_earthquake_and_tsunami | lack of a comprehensive warning system at the time |