According to the official measurement by China Seismological Network, an earthquake of magnitude 7.3 occurred in the waters near the North Island of New Zealand at 2 1: 27 Beijing time on March 4 (local time on March 5 1: 27), with the focal depth of 100 km and the epicenter at 37.4 1 degree south latitude and/kloc/east longitude.
Within 5 kilometers of the epicenter, the average elevation is about-174 1 meter.
According to the catalogue of China Seismic Network Express, there have been ***2 earthquakes with magnitude above 3 within 200 kilometers around the epicenter in recent five years, and the largest earthquake is this one.
According to professional analysis, the epicenter of this earthquake is in the southern section of the boundary between the Pacific plate and the Australian plate, that is, the boundary between the convergent subduction boundary (Kemadek Trench) and transform boundary (Southern Alps orogenic belt).
Extended data:
On the same day, an earthquake occurred in Taiwan Province province, China.
According to the automatic measurement results just released by China Seismological Network, an earthquake of magnitude 4. 1 occurred near Taiwan Province Province, China at 22: 24 on March 4, with the epicenter at 24.84 degrees north latitude and 122.42 degrees east longitude.
Earlier, on March 2 17: 23, a 5.3-magnitude earthquake occurred in the waters of pingtung county, Taiwan. The epicenter was located at 2 1.92 degrees north latitude and 12 1. 17 degrees east longitude, with a focal depth of 20 kilometers. The earthquakes were felt in Xiamen, Quanzhou, Putian, Fuzhou and Zhangzhou in Fujian.