Abstract
Numerous cases of precursory seismic quiescence have been reported in recent years. Some investigators have interpreted these observations as evidence that seismic quiescence is a somewhat reliable precursor to moderate or large earthquakes. However, because failures of the pattern to predict earthquakes may not, in general, be reported, and because numerous earthquakes are not preceded by quiescence, the validity and reliability of the quiescence precursor have not been established.
We have analyzed the seismicity rate prior to, and in the source region of, 37 shallow earthquakes (M 5.3–7.0) in central California and Japan for patterns of rate fluctuation, especially precursory quiescence. Nonuniformity in rate for these pre-mainshock sequences is relatively high, and numerous intervals with significant (p<0.10) extrema in rate are observed in some of the sequences. In other sequences, however, the rate remains within normal limits up to the time of the mainshock. Overall, in terms of an observational basis for intermediate-term earthquake prediction, no evidence is found in the cases studied for a systematic, widespread or reliable pattern of quiescence prior to the mainshocks.
In earthquake sequences comprising full seismic cycles for 5 sets of (M 3.7–5.1) repeat earthquakes on the San Andreas fault near Bear Valley, California, the seismicity rates are found to be uniform. A composite of the estimated rate fluctuations for the sequences, normalized to the length of the seismic cycle, reveals a weak pattern of a low rate in the first third of the cycle, and a high rate in the last few months. While these observations are qualitative, they may represent weak expressions of physical processes occurring in the source region over the seismic cycle.
Re-examination of seismicity rate fluctuations in volumes along the creeping section of the San Andreas fault specified by Wyss and Burford (1985) qualitatively confirms the existence of low-rate intervals in volumes 361, 386, 382, 372 and 401. However, only the quiescence in volume 386 is found by the present study to be statistically significant.
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References
Cao, T. andAki, K. (1987),Physical and observational basis for intermediate-term earthquake prediction. U.S. Geological Survey Open File Report 87-591.
Cox, D. R. andLewis, P. A. W. (1966),The statistical analysis of series of events (Methuen, London).
Ellsworth, W. L. (1975),Bear Valley, California, earthquake sequence of February–March, 1972. Bull. Seis. Soc. Am.65, 483–506.
Ellsworth, W. L., Dietz, L. D., Frechet, J., andPoupinet, G. (1987),Preliminary results on the temporal stability of coda waves in central California from high-precision measurements of characteristic earthquakes. InPhysical and Observational Basis for Intermediate-term Earthquake Prediction, U.S. Geological Survey Open-File Report 87-591.
Evison, F. (1981),Multiple earthquake events at moderate-to-large magnitudes in Japan. J. Phys. Earth29, 327–339.
Habermann, R. E. (1981a),The quantitative recognition and evaluation of seismic quiescence: Applications to earthquake prediction and subduction zone tectonics. Ph.D. Thesis, Univ. of Colorado, Boulder.
Habermann, R. E. (1981b),Precursory seismicity patterns: Stalking the mature seismic gap. InEarthquake Prediction, An International Review, Maurice Ewing Ser., vol. 4 (eds. D. W. Simpson and P. G. Richards) (AGU, Washington, D.C.) pp. 29–42.
Habermann, R. E. (1982),Seismicity rates in the Kuriles Island Arc. Earthquake Predict. Res.1, 73–94.
Habermann, R. E. (1983),Teleseismic detection in the Aleutian Island Arc. J. Geophys. Res.88, 5056–5064.
Habermann, R. E. andWyss, M. (1984),Background seismicity and precursory seismic quiescence: Imperial Valley, California. Bill. Seismol. Soc. Am74, 1743–1755.
Habermann, R. E. (1986),A test of two techniques for recognizing systematic errors in magnitude estimates using data from Parkfield, California. Bull. Seis. Soc. Am.76, 1660–1667.
Habermann, R. E. (1987),Man-made changes of seismicity rates. Bull. Seis. Soc. Am.77, 141–159.
Habermann, R. E. (1988),Precursory seismic quiescence: Past, present, and future, Pure and Appl. Geophys. (this volume).
Ishida, M. (1984),The spatial distribution of earthquake hypocenters and the three-dimensional velocity structure in the Kanto-Tokai district, Japan. J. Phys. Earth.32, 399–422.
Kanamori, H. (1981),The nature of seismicity patterns before large earthquakes. InEarthquake Prediction, An International Review, Maurice Ewing Ser., vol. 4 (eds. D. W. Simpson and P. G. Richards) (AGU, Washington, D.C.) pp. 1–9.
Keilis-Borok, V. I., Knopoff, L. andRotvain, I. M. (1980),Bursts of aftershocks, long-term precursors of strong earthquakes. Nature283, 259–263.
Matsumura, S. (1984),Evaluation of detection capability of microearthquakes for an observational network. National Research Center for Disaster Prevention, Tsukuba, Japan.
Matthews, M. V. andReasenberg, P. A. (1987),Comment on Habermann's method for detecting seismicity rate changes. J. Geophys. Res.92, 9443–9445.
Matthews, M. V. andReasenberg, P. A. (1988),Statistical methods for investigating quiescence and other temporal seismicity patterns. Pure and Appl. Geophys. (this volume).
Ohtake, M., Matumoto, T. andLatham, G. V. (1981),Evaluation of the forecast of the 1978 Oaxaca, southern Mexico, earthquake based on a precursory seismic quiescence. InEarthquake Prediction, An International Review, Maurice Ewing Ser., vol. 4 (eds. D. W. Simpson and P. G. Richards) (AGU, Washington, D.C.) pp. 53–61.
Okada, Y. (1984),First results from Japanese network for earthquake prediction. Nature312, 500–501.
Reasenberg, P. (1985),Second-order moment of central California seismicity, 1969–1982 J. Geophys. Res.90, 5479–5495.
Reasenberg, P. A. andMatthews, M. V. (1987),Precursory seismic quiescence: A preliminary assessment of the hypothesis. InPhysical and Observational Basis for Intermediate-term Earthquake Prediction (U.S.G.S. Open-file Report 87-591).
Rikitake, T. (1979),Classification of earthquake precursors. Tectonophysics54, 293–309.
Scholz, C. H. (1988),Mechanisms of the seismic quiescences. Pure and Appl. Geophys., (this volume).
Von Seggern, D., Alexander, S. andChang-Eob Baag (1981),Seismicity parameters preceding moderate to major earthquake. J. Geophys. Res.86, 9325–9351.
Wyss, M. (1986),Seismic quiescence precursor to the 1983 Kaoiki (Ms 6.6), Hawaii, earthquakes. Bull. Seism. Soc. Am.76, 785–800.
Wyss, M. andBurford, R. O. (1985),Current episodes of seismic quiescence along the San Andreas fault between San Juan Bautista and Stone Canyon, California: Possible precursors to local moderate mainshocks (U.S.G.S. Open-File Report 85-754, Appendix A.23).
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Reasenberg, P.A., Matthews, M.V. Precursory seismic quiescence: A preliminary assessment of the hypothesis. PAGEOPH 126, 373–406 (1988). https://doi.org/10.1007/BF00879004
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DOI: https://doi.org/10.1007/BF00879004