41.   There was no danger of tsunami, which are undersea waves triggered by volcanic activity or earthquakes, from either quake, it said.

42.   There was no danger of tsunami, or undersea waves triggered by volcanic activity or earthquakes, arising from the quake, the agency said.

43.   There was no danger of tsunami, or undersea waves, set off by either earthquake.

44.   There was no danger of tsunami, undersea waves triggered by seismic activity, the agency said.

45.   There was no danger of tsunami, undersea waves triggered by volcanic activity or earthquakes, arising from the quake, the agency said.

46.   There was no danger of tsunami, undersea waves triggered by volcanic activity or earthquakes, arising from the quakes, the agency said.

47.   There was no danger of tsunami, undersea waves triggered by volcanic activity or earthquakes, the agency said.

48.   Tsunami are undersea waves triggered by volcanic activity or earthquakes.

49.   Tsunamis are the undersea waves triggered by volcanic activity or earthquakes.