This graphic provided by the National Oceanic and Atmospheric Administration (NOAA) shows tsunami travel times following an earthquake with a magnitude of 8.0 rocked the island nation of Samoa, causing a tsunami. Credit: NOAA/AFPFrom Cosmos:
SYDNEY: Following seismic activity in Vanuatu, researchers have suggested that the motion of the Australian tectonic plate may be responsible for recent earthquakes in both Indonesia and and the South Pacific.
They argue that the earthquake and tsunami, that took place in Samoa just over a week ago, may have a common cause to a quake in Sumatra and the three quakes near Vanuatu.
This is despite the fact that Samoa and Sumatra are more than 6,000 km apart.
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