View Full Document

Gutenberg-Richter Statistics in Topologically Realistic System-LevelL



View the full content.
View Full Document
View Full Document

4 views

Unformatted text preview:

1 Gutenberg Richter Statistics in Topologically Realistic System Level Earthquake Stress Evolution Simulations John B Rundle1 Paul B Rundle2 Andrea Donnellan3 and Geoffrey Fox4 1 Center for Computational Science and Engineering University of California Davis Davis CA 95616 and Distinguished Visiting Scientist Earth Space Sciences Division Jet Propulsion Laboratory Pasadena CA 91125 rundle physics ucdavis edu http naniloa ucdavis edu rundle 2 Department of Physics Harvey Mudd College Claremont CA 3 Earth Space Sciences Division Jet Propulsion Laboratory Pasadena CA 4 Department of Computer Science Indiana University Bloomington IN Abstract We discuss the problem of earthquake forecasting in the context of new models for the dynamics based on statistical physics Here we focus on new topologically realistic system level approaches to the modeling of earthquake faults We show that the frictional failure physics of earthquakes in these complex topologically realistic models leads to self organization of the statistical dynamics and produces statistical distributions characterizing the activity notably the Gutenberg Richter magnitude frequency distribution that are similar to those observed in nature In particular we show that a parameterization of friction that includes a simple representation of a dynamic stress intensity factor is needed to organize the dynamics We also show that the slip distributions for synthetic events obtained in the model are also similar to those observed in nature 2 1 Introduction Earthquakes have great scientific societal and economic significance During the first three months of 2001 the January 13 2001 magnitude 7 6 El Salvador earthquake the January 26 magnitude 7 9 Gujarat India earthquake and the February 28 2001 magnitude 6 8 Seattle Washington USA event killed thousands of persons and caused billions of dollars in property losses The January 16 1995 Kobe Japan earthquake was only a magnitude 6 9 event and yet produced an estimated 200



Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Gutenberg-Richter Statistics in Topologically Realistic System-LevelL and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Gutenberg-Richter Statistics in Topologically Realistic System-LevelL and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?