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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: A large scale of apparent sudden movements in Japan detected by high-rate GPS after the 2011 Tohoku Mw9.0 earthquake: Physical signals or unidentified artifacts?

Fig. 2

Sudden displacement vectors (unit length: 1 cm) within 1 s between 14:59:45 and 14:59:46 from all the GEONET stations. The red star stands for the epicenter of the 2011 Tohoku earthquake. Panel a shows the sudden displacement vectors of east (horizontal axis) and up (vertical axis) components. The horizontal and vertical axes indicate that the stations basically move westward and downward, respectively. Similarly, panels b and c show the sudden displacement vectors of north (horizontal axis) and up (vertical axis) components, and east (horizontal axis) and north (vertical axis) components of the GEONET stations, respectively. The vertical axis of the north components in panel c indicates that the stations basically move northward

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