Hellow guys, Welcome to my website, and you are watching M 3.4 - 12km N of Grapevine, Ca 7/2/19 RaspberryShake 4D Seismograph (RD29A) - Chino Hills, CA. and this vIdeo is uploaded by CH SeismoStream at 2019-07-02T20:14:55-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.