SeismicAI issues an alert on a significant earthquake in Northern New Zealand
SeismicAI pilot system detected and issued an alert on a magnitude 5.9 earthquake in Northern New Zealand, 5 km from the rural settlement of Porangahau, which took place on 25.4.23 at 22:16:14 GMT (10:16 AM local time).
Local residents reported the shaking was the strongest they had ever felt.
The quake was felt around Hastings and Wellington, and as far as Auckland.
SeismicAI system accurately detected the earthquake at 22:16:23, after just 9 seconds. The lead time (time interval between the alert and the strong shaking) for major cities was:
Auckland (414 km from epicenter) – 129 sec
Wellington (191 km from epicenter) – 54 sec
Hastings – (74 km from epicenter) – 15 sec
SeismicAI also detected around 10 aftershocks which followed the main earthquake.
Earthquakes occur daily in New Zealand – around 15,000 occur annually, 200 of which are significant enough to be felt. However, New Zealand currently does not have an earthquake alert system.
According to studies, an early alert can prevent up to 50% of non-structural damage and loss of life.
Epicenter: -40.28°, 176.62°
Origin time: 22:16:14 (GMT)
Detection time: 22:16:23 (GMT)
Depth: 21 km