Some East Bay residents were likely rattled awake by a small earthquake at 7:29 a.m. Sunday. The quake, a preliminary magnitude 3.2, was epicentered 4.5 miles north-northwest of ...
The most widespread way is through Wireless Emergency Alerts (WEA), which sends loud alerts to all cellphones. If an ...
Flooding during a Cascadia region earthquake would alter the topography and ecosystems of the coastal region for years to ...
The earthquakes both struck at a shallow depth of approximately 10 kilometers, or about 6 miles below the surface.
A major earthquake hasn't struck any of California's biggest cities in more than three decades, but the "Big One" is a matter ...
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.
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