EPS C20 Lecture Notes - Lecture 10: Turbidite, Elastic-Rebound Theory, North Anatolian Fault

• School: Berkeley
• Department: Earth And Planetary Science
• Course: EPS C20
• Professor: Richard Allen

Document Summary

Building up to an earthquakeacross the united states. When an earthquake hits, it depends on the magnitude & distance you are from an earthquake. Unclear if you want to be close or far away from fault. The sudden release of built-up stress along faults by earthquakes. Stress builds up due as tectonic plates move past one another. Friction along the fault prevents slip, elastic deformation instead. This theory does not explain all our observations. In 1984 the usgs/berkeley predicted an earthquake at parkfield in. The site was heavily instrumented to observe the earthquake process before, during, & after rupture. M6. 0 parkfield did not happen (until 2004) But m6. 9 loma prieta had occurred in a gap . Similar fault systems in length & character. Slip on one segment makes it more likely the next segment will fail. Mean repeat time 450 220 years. Yes, on a tectonic plate boundary with subduction. Validated in 1990s (shows how new earthquake science is)