Our measurement of tilt before 2008 Kurily EQ and before 2012 Kamchatka EQ in the cave No13C in the depth of 30 m below the surface are here:
http://www.astro.cz/galerie/v/uzivatele/Pavel_Kalenda/Fig10_9_13C.gif.html
and here:
http://www.astro.cz/galerie/v/uzivatele/Pavel_Kalenda/13C_120817.gif.html