Article – RNZMount Maunganui has been upgraded to the highest alert level after three new landslides within 48 hours. Mount Maunganui has been upgraded to the highest alert level after three new landslides within 48 hours. They come six months after a big landslide fell onto Mount Maunganui Holiday Park, killing six people. There had been “a major regression” at the site of the original landslide, extending 20 metres with a runout of 100 metres, he said. Motorists and pedestrians have been asked to avoid the area and follow any signage or directions from staff on site.