A big earthquake at Ridgecrest could trigger the Garlock fault, which would in turn trigger the San Andreas.
A powerful magnitude 7.4 earthquake struck the southern coast of Oaxaca, Mexico this morning, killing at least one person.
A magnitude 5.7 earthquake struck northern Utah this morning. It was the state's largest quake since 1992.
Fluid pressures in the Cascadia subduction zone are linked to regular, imperceptible earthquakes.
Multiple strong and damaging earthquakes are wreaking havoc on Puerto Rico. And geoscientists forecast dozens more strong aftershocks are likely in the area.
A strong earthquake struck off the coast of Oregon today (Aug. 29), according to the U.S. Geological Survey (USGS).
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