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Nine Australians missing for almost 24 hours after a powerful earthquake triggered a deadly tsunami in Indonesia's west are safe and well.
The 7.7-magnitude quake struck near the remote Mentawai Island chain on Monday night, generating massive waves that swept ashore,washing away hundreds of homes.
Disaster management officials in Jakarta
are reporting that 120 people have been killed. They report over 500 as missing.
Nine Australians and a Japanese man were in the area aboard surf charter boat MV Southern Cross when the quake struck.
Fears had been growing for the vessel, skippered by Australian Chris Scurrah and Japanese Akinori Fujita.
But the men finally made contact with their Padang-based company Sumatran Surfariis (Surfariis) last night.
"They are now safe, they have been found," staff member Yuli Rahmi told AAP.
"They only lost their phone signal, they didn't even feel any tsunami."
The men were now on land on the island of South Pagai, Ms Rahmi said.
The other Australian men on the Southern Cross journey were Clifford Humphries, Gary Mountford, Christopher Papallo, Alexander McTaggart, Neil Cox, Jeffrey Annesley, Stephen Reynolds and Colin Steele.
Earlier, humanitarian organisation SurfAid International had been coordinating a search for the vessel.
It's believed villages on the islands of Sipora, North Pagai and South Pagai have all been affected by the tsunami.
One official said ten villages had been "swept away".
With bad weather hampering rescue efforts the death toll was expected to rise overnight.
The quake, which was followed by several powerful aftershocks, also shook Padang, sending panicked residents into the streets.
A New Zealander living in Padang said the earthquake sent people running for the hills.
Alan Rogerson is based in Padang for SurfAid International and said the tsunami which followed the earthquake "wiped out entire villages" in the Mentawai Islands.
He said there are about 200-300 people living in each of the villages, many of which are only 5m above sea-level.
SurfAid International is a not-for-profit organisation which has been doing disaster risk management and humanitarian work in the Mentawai Islands for more than 10 years.
"People in Mentawai know what to do, but unfortunately it didn't help some of them. Some villages did just get washed away," Mr Rogerson said.
Last night SurfAid was preparing to send a crew to the islands affected by the tsunami to assess the damage.
Mere Mulu-Martin, spokeswoman for New Zealand's Ministry of Foreign Affairs and Trade, said there were 536 New Zealanders registered in Indonesia, however some may not be accounted for because they are not registered.
"At the moment we are working with the New Zealand Embassy in Jakarta to establish if there are any New Zealanders involved."
Indonesia sits on the so-called Pacific Ring of Fire and is very prone to earthquakes and volcanic activity.
More than 1100 people were killed when a powerful quake hit near Padang last year.
In 2004 a tsunami caused by a magnitude-9 earthquake off Sumatra killed an estimated 230,000 people.
- additional reporting: Amelia Wade and agencies