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The earthquake occurred less than a mile from Ontario, less than a mile from Jurupa Valley, two miles from Fontana and three miles from Rancho Cucamonga. Magnitude 3.6 earthquake felt in Eastvale ...
On Friday, at 10:26 a.m., a magnitude 3.6 earthquake — down from an original estimate of 3.8 — occurred with an epicenter just north of the Ojai Valley, causing weak shaking to be felt from ...
A magnitude 3.6 earthquake was reported at 3:39 a.m. Saturday in El Cerrito, Calif., according to the U.S. Geological Survey.
The post-earthquake slip produced an estimated 3–6 cm (1.2–2.4 in) of additional displacement, in addition to the 8 cm (3.1 in) during the earthquake. [24] After a pair of earthquakes in 1987, new surface ruptures with 1.5 cm (0.59 in) of displacement were observed for 3 km (1.9 mi). [25]
The earliest automated earthquake pre-detection systems were installed in the 1990s; for instance, in California, the Calistoga fire station's system which automatically triggers a citywide siren to alert the entire area's residents of an earthquake. [16] Some California fire departments use their warning systems to automatically open overhead ...
However, there is a small chance, c. 5–10%, of an earthquake equal to or larger than this mainshock in the next 7 days." [27] Geologists at the United States Geological Survey and Uniform California Earthquake Rupture Forecast suggest that an earthquake with a magnitude of 6.7 or larger will almost definitely occur somewhere in the state ...
In recent days, Southern California has experienced one earthquake after another. A 3.6 in Ojai on May 31. Two of a similar magnitude under the East Los Angeles area of El Sereno .
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