An earthquake of magnitude 7.6 struck near Tonga in the South Pacific Ocean on Tuesday, prompting countries in the region to assess a tsunami threat. New Zealand’s National Emergency Management Agency ...
Two more smaller quakes have been reported in the area since.
The magnitude of an earthquake depends on how far a rupture travels along a fault line before it stops. For the first time, we have now directly observed how a large earthquake comes to a halt. By ...
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