[1] Wang, J.H. (2016). A Mechanism Causing b‐Value Anomalies Prior to a Mainshock, Bulletin of the Seismological Society of America, Vol.106, No.4, PP.1663-1671. doi:10.1785/0120150335.
[2] Scuderi, M.M., Marone, C., Tinti, E., Di Stefano, G. & Collettini, C. (2016). Precursory changes in seismic velocity for the spectrum of earthquake failure modes, Nature Geoscience, Vol.9, PP.695–700. doi:10.1038/ngeo2775.
[3] Kaproth, B.M. & Marone, C. (2013). Slow earthquakes, preseismic velocity changes and the origin of slow frictional stick-slip, Science, Vol. 341, PP.1229–1232.
[4] Chen, J. H., Froment, B., Liu, Q. Y. & Campillo, M. (2010). Distribution of seismic wave speed changes associated with the 12 May 2008 Mw 7.9 Wenchuan earthquake, Geophysical Research Letters, Vol.37, PP.2008–2011.
[5] Niu, F., Silver, P. G., Daley, T. M., Cheng, X. & Majer, E. L. (2008). Preseismic velocity changes observed from active source monitoring at the Parkfield SAFOD drill site, Nature, Vol.454, PP.204–208.
[6] Ingebritsen, S. E. & Manga, M. (2014). Earthquakes: Hydrogeochemical precursors, Nature Geoscience, Vol.7, PP.697–698. doi:10.1038/ngeo2261.
[7] Bräuer, K., Kämpf , H. & Strauch, G. (2009). Earthquake swarms in non-volcanic regions: What fluids have to say, Geophysical Research Letters, Vol.36, No.17, doi: 10.1029/2009GL039615.
[8] Claesson, L., Skelton, A., Graham, C., Dietl, C., Mörth, M., Torssander, P. & Kockum, I. (2004). Hydrogeochemical changes before and after a major earthquake, Geology, Vol. 32, No.8 PP. 641-644, doi: 10.1130/G20542.1.
[9] Igarashi, G., Saeki, S., Takahata, N., Sumikawa, K., Tasaka, S. , Sasaki, Y., Takahashi, M., Sano, Y. (1995). Ground-Water Radon Anomaly Before the Kobe Earthquake in Japan, Science, Vol.269, No.5220, PP.60-61, doi: 10.1126/science.269.5220.60.
[10] Tsunogai, U. & Wakita, H. (1995). Precursory Chemical Changes in Ground Water: Kobe Earthquake, Japan, Science, Vol. 269, No. 5220, PP. 61-63. doi:10.1126/science.269.5220.61.
[11] Hartmann, J. and Levy, J. K. (2005). Hydrogeological and gasgeochemical earthquake precursors – a review for application, Natural Hazards, Vol. 34, PP. 279–304.
[12] Skelton, A., Andrén, M., Kristmannsdóttir, H., Stockmann, G., Mörth, C.M., Sveinbjörnsdóttir, A., Jónsson, S., Sturkell, E., Guðrúnardóttir, H.R., Hjartarson, H., Siegmund, H. & Kockum, I. (2014). Changes in groundwater chemistry before two consecutive earthquakes in Iceland, Nature Geoscience, Vol.7, PP. 752–756, doi:10.1038/ngeo2250.