How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...

Researchers have discovered a potentially younger and active volcanic hotspot beneath the Cook Islands' waters, prompting ...

This week, it makes far more sense to test an aspect of our tsunami system that didn’t perform very well last December — who should and should not evacuate and how to do so safely and ...

A strong 7.1 magnitude earthquake hit near Tonga, prompting an initial tsunami warning that was later lifted for the Pacific island country.

On a calm Monday morning, a powerful reminder of nature's unpredictability shook Tonga, as a 7.0-magnitude earthquake struck just 79 km SSE of Pangai. The earthquake, occurring at 01:18 local time (12 ...

As rescue and relief efforts continue amid the collapsed buildings and wrecked roads, geologists are uncovering the details of what made this earthquake so devastating. Last week’s earthquake ...

A magnitude 7.0 earthquake struck off the coast of Tonga early Monday morning, prompting a tsunami warning that has since been lifted. The U.S. Geological Survey said that the earthquake hit about ...

The German Research Centre for Geosciences said a magnitude 7 earthquake struck Tonga on Sunday. The quake was said to be at a depth of 10 km. According to the US Geological Survey, USGS ...

with the extent of the damage depending on the region's underlying geology, Jaimes and Suárez concluded. For instance, their study found that ground shaking from a moderate earthquake in the Juan ...

A strong 7.0 magnitude earthquake rumbled near the island nation of Tonga, causing a tsunami warning for the Pacific island country. The U.S. Geological Survey reported that the quake struck about ...