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Fig. 2. | Earth, Planets and Space

Fig. 2.

From: Long-distance propagation of ionospheric disturbance generated by the 2011 off the Pacific coast of Tohoku Earthquake

Fig. 2.

TEC-time-distance/latitude diagram on L1 from 05:36 UT-06:48 UT (14:36 JST-15:48 JST). The location of L1 is shown in Fig. 1. The left y-axis represents the distance from the starting point of L1 (20°N, 120°E) and the right y-axis represents the latitude along the L1. The vertical dashed line indicates earthquake onset time, and the slant dashed lines (W0, W1, W2, and W3) denote propagation velocities of the wave front of the ionospheric TEC perturbations.

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