Real-time earthquake monitor ·
USGS data
This major M7.5 earthquake was a intermediate-depth event, striking at 234 km beneath Neiafu, Tonga. Major earthquakes at this magnitude cause severe shaking over a wide area, with potential for significant structural damage to buildings and infrastructure not built to modern seismic codes.
At 234 km, this is an intermediate-depth earthquake. Shaking is distributed across a wider geographic area than shallower events but tends to be less intense at any one location.