As reported vesti.ru, a tsunami wave height, originated after a powerful 7.8-magnitude earthquake in the Pacific Ocean off New Zealand's Kermadec Islands, amounted to little more than a meter. The arrival of such a wave was recorded at two stations. Negative effects of the tsunami on the Kermadec Islands region, north-east of New Zealand, is not registered, the alarm is removed, told Itar-Tass Sakhalin Tsunami Center.
According to the U.S. Geological Survey, a powerful earthquake in the Kermadec Islands were registered at 23:03 MSK on July 6. The threat of a tsunami was declared for New Zealand and for the islands of Tonga.
Kermadec Islands, Tonga, Vanuatu, Fiji and the Solomon Islands are located over a vast underwater plateau, stretching from the coast of South America to New Zealand and Antarctica. Its edges are deep "trough" associated with a belt of volcanic mountains that frame the ocean. Within the Pacific Ring of Fire extending more than 40,000 km frequent earthquakes and volcanic eruptions, including underwater.
February 22, 2011 in Christchurch, a devastating 6.3 magnitude earthquake, which killed over 200 people.