A tsunami may be based on depth of an earthquake.Logical formLearned from8 sentences. A tsunami may be triggered by a magnitude.Logical formLearned from8 sentences. A tsunami may strike a coast of a country.Logical formLearned from8 sentences. A tsunami may be caused by an undersea earthquake.Logical formLearned from8 sentences. Waves may pertain-to a tsunami.Logical formLearned from8 sentences. (Tsunami survivors) can be desperate.Logical formLearned from8 sentences. A (tsunami relief effort) can be international.Logical formLearned from8 sentences. A tsunami may devastate coastlines.Logical formLearned from8 sentences. A tsunami may highlight a need.Logical formLearned from8 sentences. (Tsunami warning systems) can be advanced.Logical formLearned from8 sentences. Countries may be battered by a tsunami.Logical formLearned from8 sentences. A victim may pertain-to a tsunami.Logical formLearned from8 sentences. A region may be hited by a tsunami.Logical formLearned from8 sentences. A quake may cause tsunami.Logical formLearned from8 sentences. A wave may be knowned as a tsunami.Logical formLearned from8 sentences.