Figures and Tables

From the following article:

Foreshock sequences and short-term earthquake predictability on East Pacific Rise transform faults

Jeffrey J. McGuire, Margaret S. Boettcher and Thomas H. Jordan

Nature 434, 457-461(24 March 2005)

doi:10.1038/nature03377

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Figure 1 - Unfortunately we are unable to provide accessible alternative text for this. If you require assistance to access this image, or to obtain a text description, please contact npg@nature.com

Figure 1

Map of the Quebrada (Q), Discovery (D), and Gofar (G) transform faults in the equatorial eastern Pacific, contoured with the bathymetry predicted from the satellite-derived gravity field42.

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Figure 2

Space-time distribution of seismicity around the nine mainshocks (Mw greater than or equal to 5.4) on the Discovery and Gofar transform faults between May 1996 and December 2001, from the declustered Harvard CMT catalogue.

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Figure 3

Aftershocks per mainshock, plotted against the difference between the mainshock magnitude mmain and the catalogue completeness threshold m0.

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Figure 4

Foreshock and aftershock rates observed for EPR transform faults (solid symbols) and Southern California (open symbols) in regions of radius R about the mainshock.

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Figure 5

Retrospective application of the naive prediction algorithm described in the text to the NOAA-PMEL catalogue (May 1996–November 2001) for the Discovery and Gofar faults.

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Figure 6

Molchan's39 error diagram of the failure-to-predict probability 1 - P(F|M) against the probability of alerts P(F) on a logarithmic scale, contoured with probability gain g (solid curves).

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