Skip to main content

Cancellation of national tsunami warning

Saturday, 12 March 2011 6:00 p.m.

Cancellation of National Warning - Tsunami: Marine & Minor Land Threat to NZ 

Release No 17


Issued at 1730 hours on 12 March 2011. 

Issued by the Ministry of Civil Defence & Emergency Management (MCDEM).

Tsunami warning cancelled:
According to scientifc advice, no further tsunami threat exists for New Zealand coastlines as a result of the earthquake described below.  Nonetheless minor fluctuations in sea level may continue for up to 48 hours and caution is required on beaches and in marine environments.

Earthquake parameters:  

Origin time:

0545Z 11 March 2011

NZ time:

1846NZDT 11 March 2011


38.2 North 142.5 East




Near East Coast of Honshu, Japan



The above magnitude is provisional and may be increased or decreased as more seismic data becomes available.  


This is the last message via the national warning system for this event.

NCMC status: 

The National Crisis Management Centre (NCMC) will remain activated for the Christchurch earthquake event. 

Useful websites:

Issued by:

Message authorised by the National Controller, Civil Defence Emergency Management.

For more media information please contact Linda Thompson, Public Information Manager 021 923 339


Tauranga-Western Bay Civil Defence Update

  The marine threat for the Bay of Plenty has now been lifted.

 The Ministry of Civil Defence and Emergency Management lifted the threat at 5.36pm on Saturday 11 March. Bay of Plenty Civil Defence Emergency Management staff have now been stood down.

 The Surf Life Saving Championship organisers, Coastguard, Sea Comms and the Harbour Master have all been informed.


Alison Clifford

Public Information Manager

021 225 5782

Useful websites: