One of the most dangerous faults in the United States, the Cascadia Subduction Zone, may be able to trigger an earthquake on ...

A major earthquake hasn't struck any of California's biggest cities in more than three decades, but experts and officials say the so-called "Big One" is a matter of when, not if. And the risk is far ...

Most in the Pacific Northwest have heard of “the big one,” a potentially massive earthquake that could shake the region. A new study found “the big one” could set off “the bigger one,” triggering ...

A future mega-earthquake in the Pacific Northwest could lead to the “Big One” along the San Andreas fault in California—or vice versa.

The Philippine government and the Japan International Cooperation Agency are currently in talks to revisit next year the 2004 study on the impact of “The Big One” or magnitude 7.2 earthquake in Metro ...

Phivolcs says the West Valley Fault’s 400-year cycle means the probability of a major quake rises as 2058 nears — but it’s not a forecast date.

Around 150,000 residents in Marikina City joined the citywide simultaneous earthquake simulation drill on Monday as part of ...

Big One” earthquakes of magnitude 7.9 up to magnitude 8.2 are possible even outside of Metro Manila, the Philippine Institute ...

SAN BERNARDINO COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.7 magnitude quake rattled close to Big Bear City on Saturday around midday.

The tremor, which struck the region at 8:47 p.m., was centered roughly 2 miles north of Big Bear City ... say you should hold ...

As Metro Manila braces for a possible “Big One” earthquake, the state seismologist warns of similar scenarios in other parts of the country, such as the Negros Trench, where a magnitude 8.2 earthquake ...