UPDATE: NEMA has assessed the information with the assistance of science advisors. Based on current information, the assessment is that the earthquake is unlikely to have caused a tsunami that will affect New Zealand. NATIONAL ADVISORY: Earthquake Being Assessed A magnitude M6.6 earthquake has occurred at/in KERMADEC ISLANDS REGION. NEMA and GNS Science are assessing the earthquake parameters to determine if there is a tsunami risk to New Zealand.