Fig. 2.From: Initial 30 seconds of the 2011 off the Pacific coast of Tohoku Earthquake (Mw 9.0)—amplitude and τ c for magnitude estimation for Earthquake Early Warning—Acceleration ua(t) (left) and displacement ud(t) (right) of the vertical component of the Mw 9.0 event at MYGH12. Magnified traces are shown below. Arrival times of the P and S phases are shown by dotted lines.Back to article page