Along the remote coast where the San Andreas Fault meets the Cascadia subduction zone, earthquakes too small for humans to feel are sketching out a hidden map of danger. By tracking these tiny tremors ...

When a magnitude 7.7 earthquake shook Myanmar on March 28, 2025, it wasn’t just another powerful tremor—it was a geological curveball. The quake ripped open more than 500 kilometers (317 miles) of the ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

A Pattern That Crosses Fault Lines What emerged was an extraordinary pattern: over the last 3,100 years, many major earthquake layers in southern Cascadia aligned in time with those from the northern ...

Add Yahoo as a preferred source to see more of our stories on Google. Workers check damage to Interstate 880 in Oakland after it collapsed during the Loma Prieta earthquake in October 1989. (Paul ...

The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San Andreas fault in California, scientists warned. By Sarah Scoles In the world’s ...