Aftershocks are ongoing after a major earthquake struck off California's coast. They could get big.

A major earthquake gave California a tsunami scare on Thursday. Aftershocks are ongoing, and they could get big.
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Tsunami threat issued for Mexico and Guatemala after major earthquake

The 7.3 magnitude earthquake struck at 9:48 a.m. ET, and it was reported at a depth of 6.2 miles, according to the U.S. Geological Survey.

AI Detects Hidden Warning Signs Before Major Earthquakes

A new analysis of seismic “families” reveals that some large earthquakes may be preceded by hidden patterns in clustering, localization, and strain release. The warning signs before a major earthquake,

California can make earthquake insurance cheaper by reducing risk

Californians know another major earthquake is coming. The only question is when. Scientists believe that there is more than a 99 percent chance of one or more major earthquakes

Venezuela’s deadly ‘doublet’ earthquakes may have been a single big one. Here’s why it matters

On Wednesday evening, Venezuela was hit with its largest tremors in more than a century — toppling buildings and claiming more than 100 lives. The event, according to the US Geological Survey, was a rare phenomenon called a “doublet” that contained not one but two major earthquakes.

At least 188 dead after massive earthquakes in Venezuela. Updates

Back-to-back major earthquakes struck Venezuela's northern coast on June 24, raising fears of widespread deaths across the region.

Homes destroyed and several dead after major earthquake

The quake was detected at a depth of almost 14 miles beneath the surface at 9.24pm near Chupaca, Peru.