the recurrence interval of major earthquakes along the san andreas fault is roughly 140 -- 160 years.
the recurrence interval of major earthquakes along the san andreas fault is roughly 140 -- 160 years.
what is the recurrence interval of major earthquakes along the san andreas fault?
roughly 140 -- 160 years
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the range is a fault block of granitic rocks squeezed between the san jacinto fault on the west and the san andreas fault system on the east. the fault scarp on the northern and eastern side is one of the most abrupt in north america, going from sea level to 10,000 feet in a few miles. the height and steepness of the range points out that the san jacinto fault and san andreas fault are very active and very capable of producing major earthquakes (well in excess of magnitude 7). the last massive quake struck the southern segment of the san andreas-san jacinto fault complex more than 200 years ago making another major earthquake likely but not currently possible to predict. rock slides from the range are possible during major earthquakes in the future, as they have been in the past. these slides may potentially impact the communities built directly adjacent to the steep escarpment on the desert side of the range.
san jacinto mountains