Fig. 1.From: Acoustic resonance and plasma depletion detected by GPS total electron content observation after the 2011 off the Pacific coast of Tohoku EarthquakeTime series of the slant-TEC data observed by the “950272” station of GEONET from 05:15 to 07:15 UT on March 11, 2011, with the signal from the PRN26 satellite. The earthquake occurred at 05:46:23 UT.Back to article page