"The flurry of quakes rattled close to a relatively unknown fault called Blue Cut, according to Kate Scharer, a research geologist for the U.S. Geological Survey's Earthquake Hazards Program in Pasadena. "This happened in Joshua Tree National Park, a beautiful part of the world where many people have actually probably been and unknowingly traversed near this fault," Scharer told SFGATE. "This is a good reminder that there are many other faults besides the San Andreas in California that can give us a little jolt.""
"The initial earthquake occurred about 12 miles from the city of Indio in Riverside County's Coachella Valley. Residents nearby reported mostly light to moderate shaking. The first quake hit around 8 miles from the infamous San Andreas Fault, Scharer said. There's a 19% probability of a major earthquake with a magnitude of at least 6.7 on the southern section of the San Andreas Fault by 2043."
A magnitude 4.9 earthquake struck Joshua Tree National Park Monday evening and triggered more than 200 aftershocks. Ten aftershocks of magnitude 3.0 or greater occurred after the initial temblor as of Tuesday afternoon. The sequence occurred near the relatively unknown Blue Cut fault. The initial quake was about 12 miles from Indio in Riverside County's Coachella Valley and about 8 miles from the San Andreas Fault, with residents reporting mostly light to moderate shaking. The southern San Andreas Fault has a 19% probability of a magnitude 6.7 or greater earthquake by 2043. Two additional smaller quakes (magnitudes 3.2 and 2.7) struck the Mendocino Triple Junction offshore Northern California. Small earthquakes can prompt residents to review emergency plans and preparedness steps.
Read at SFGATE
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