Pictured is a tsunami in Miyako, Japan following their earthquake'We know from tsunami modelling (of) the Hikurangi subduction zone that the travel times could be very short, so seven minutes for some of the south Wairarapa coast,' Ms Cochran said.
Other areas of the South Island including Cloudy Bay could be struck by water within 10 to 30 minutes, with the first minutes following a quake crucial to survival.
Mount Agung is a popular hiking destination for tourists.
It last erupted more than 50 years ago, killing at least 1,000 people.
Visit our Education Centre Australia's coordinates have officially moved 1.8 metres northeast, with Minister for Resources and Northern Australia Matt Canavan today launching Australia's new coordinate reference frame, the Geocentric Datum of Australia 2020 (GDA2020).
The Spanish island of Tenerife has experienced 22 minor earthquakes in just four days, sparking fears the Mount Teide volcano could be about to erupt.
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"Even a very small increase in pressure can cause earthquakes and remember these are very small earthquakes.
They said: "Tenerife is an oceanic active volcanic island and as typical active volcanic system has a background seismic activity related to its volcanism.
Seismic swarms are common in active volcanoes even during quiescent (inactive) periods, and Tenerife is currently facing a period of quiescent volcanic activity." Lucan Duria, a physicist who is studying the activity of Mount Teide, agreed that there was "nothing special" about the recent quakes.
Pictured is destruction in Chile in 2010The Kaikōura earthquake, which measured 7.8 on the Richter scale, struck New Zealand's south island on November 14, 2016 just after midnight.
Just 15km deep, it changed the face of the region during its two minutes of violent shaking, moving the ground up to 12 metres and causing widespread landslides.