Fig. 1.From: Tilt records prior to the 2011 off the Pacific coast of Tohoku EarthquakeIndex map showing the station locations. Open squares and grey triangles show the locations of NIED Hi-net tiltmeter stations. Solid squares denote the locations of the JMA meteorological observatories. The NIED F-net focal mechanisms (NIED, 2011) of the March 9 large earthquake and the March 11 great earthquake are shown.Back to article page