Earthquake news, features and articles
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![san Andreas fault](https://cdn.mos.cms.futurecdn.net/uuQwNL8AhuB9amTG3w8SGC-320-80.jpg)
Most of California's Big Earthquakes Are Preceded by Ghostly 'Foreshocks' Weeks in Advance
By Brandon Specktor published
Foreshocks — the tiny, sometimes imperceptible tremors that precede massive earthquakes — are way more common than we thought.
![A September 2013 image shows the then-brand new island.](https://cdn.mos.cms.futurecdn.net/bV2XaDzWM3ANDzsJseH7Gk-320-80.jpg)
Pakistan's 'Earthquake Island' Has Vanished
By Rafi Letzter published
A mud-volcano island that burst from the waters off the coast of Pakistan during a deadly earthquake in 2013 has disappeared beneath the waves.
![NASA experts used satellite data to map the ground displacement caused by the two major earthquakes that struck Southern California on July 4 and 5, 2019.](https://cdn.mos.cms.futurecdn.net/8jbNqZo4Lvzq7n4vDoCPhF-320-80.jpg)
2 SoCal Earthquakes Warped the Ground for Miles. And It's Visible from Space.
By Elizabeth Howell published
Japanese satellite shows where the ground was broken up and even sliced open during the twin earthquakes near Ridgecrest.
![Highway workers repair a hole that opened up after a 7.1-magnitude earthquake rocked an area near Ridgecrest, California on July 5, 2019.](https://cdn.mos.cms.futurecdn.net/NBHEv2CdvFwPt3FkhvuHoT-320-80.jpg)
SoCal Has An 8% Chance of Another Huge Quake This Week
By Stephanie Pappas published
Even so, the chance of big quakes near Ridgecrest, California, decreases with time.
![The San Andreas fault system is more than 800 miles (1,300 kilometers) long, and as deep as 10 miles (16 km) in some spots.](https://cdn.mos.cms.futurecdn.net/hC4QbAdBcNuxMTvmSnEPxF-320-80.jpg)
Could Massive SoCal Earthquakes Trigger the 'Big One' on the San Andreas Fault?
By Tia Ghose, Jeanna Bryner published
It's possible that the recent quakes could be the straw that broke the camel's back for the San Andreas Fault, which is way overdue for a major rupture.
![An onlooker views newly ruptured ground after a 7.1-magnitude earthquake struck on July 6, 2019, near Ridgecrest, California.](https://cdn.mos.cms.futurecdn.net/kg34sAxzC3XDhHAYuPXSvU-320-80.jpg)
The Faults That Ruptured in Twin California Quakes Are Very, Very Weird, Geologists Say.
By Jeanna Bryner published
Scientists know very little about the faults that ripped apart during the massive SoCal quakes.
![magnitude 7.1 Ridgecrest quake map](https://cdn.mos.cms.futurecdn.net/kGf6vrJzsBGsjCCK8w9EPJ-320-80.jpg)
An Even Larger Quake Just Rocked Southern California. Experts Say the Fault System Is Growing.
By Tia Ghose published
This time, a magnitude-7.1 temblor struck the region near Ridgecrest, California. Experts say the next one could be even bigger.
![crack that opened up in Earth after Ridgecrest quake](https://cdn.mos.cms.futurecdn.net/hf4CY5gnr5CwM4iJ9x3oa4-320-80.jpg)
As Aftershocks Rattle Southern California, a More Powerful Earthquake Could Soon Strike, Experts Warn
By Yasemin Saplakoglu published
Southern California was rattled by a magnitude 6.4 quake on Thursday (July 4). Bigger quakes could be coming soon.
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