In April 2025, the Main Marmara Fault below the Sea of Marmara in northwestern Türkiye experienced its largest earthquake in over 60 years. In a study published in Science, a team of researchers led by Prof.

Escalating activity along a fault line in the Sea of Marmara is moving closer to Istanbul, seismologists warn.

Nov. 29, 2025 marks the 50th anniversary of the largest Hawaiʻi earthquake–a magnitude-7.7 with over 30 seconds of shaking across the islands of Hawaiʻi, Maui and Oahu–in the 20th and

As the world's tectonic plates crash, grind and dive into one another, they release their pent-up energy in giant earthquakes that can rock the ground, trigger volcanic eruptions, move mountains and unleash tsunamis. And since scientists figured out how to ...

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big One near?

The quake came during a cluster that saw over a dozen other earthquakes reported over a 24-hour period, the USGS map shows.

Several earthquakes, the largest measured at magnitude-3.3, were reported Thursday morning in Ventura County. The earthquakes were centered near Fillmore, about 25 miles northeast of Ventura. Shaking was reported in Fillmore, Moorpark, Ventura and Santa Paula.

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault. There were at least 19 earthquakes of magnitude 2 or greater on Monday alone.