San Ramón Fault

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The San Ramón (

, with a general recurrence period of over 300 years.

Geological behavior

The San Ramón is a thrust fault with vertical slippage which has caused the formation of the Sierra de Ramón, a 25 kilometer long mountain chain with a maximum height of 3249 meters above sea level. This range has moved noticeably in the last 10 million years, and grown notably during the recent Quaternary period, which makes it a geologically active fault. It shows traces of deformation on the order of 0,02 mm/year, making it capable of producing significant earthquakes, such as in 1575 and 1647. The fault represents a discontinuity in the rocky subsoil which modifies its characteristics by fragmenting the rock, generating fault ruptures, dislocation and fracturing of blocks in the immediate surroundings, and even generating hot springs which chemically alter the rock.

See also

• El Arrayán Fault

References

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