理学研究科・附属地震・噴火予知研究観測センター

Earth & Environmental Sciences

1. earthquake 59%
2. P-wave 30%
3. mantle 29%
4. slab 29%
5. tomography 22%
6. Tohoku earthquake 2011 21%
7. crust 17%
8. aftershock 16%
9. upper mantle 16%
10. trench 16%
11. subduction zone 15%
12. subduction 14%
13. seafloor 13%
14. velocity structure 13%
15. anomaly 13%
16. rupture 13%
17. S-wave 13%
18. volcano 12%
19. anisotropy 12%
20. wave velocity 12%
21. plate boundary 11%
22. fluid 10%
23. arrival time 10%
24. GPS 10%
25. seismicity 9%
26. low velocity zone 9%
27. seismic tomography 9%
28. ocean bottom seismometer 8%
29. Pacific plate 8%
30. tsunami 8%
31. asperity 8%
32. lower crust 7%
33. inversion 7%
34. seismic velocity 7%
35. station 7%
36. Philippine Sea plate 7%
37. distribution 7%
38. sea 7%
39. dehydration 7%
40. focal mechanism 6%
41. transition zone 6%
42. crustal structure 6%
43. mantle structure 6%
44. magma 6%
45. crustal deformation 6%
46. seismic zone 6%
47. upper crust 5%
48. seismotectonics 5%
49. travel time 5%

Physics & Astronomy

1. earthquakes 100%
2. Japan 68%
3. Earth mantle 48%
4. crusts 34%
5. P waves 30%
6. slabs 21%
7. slip 21%
8. ocean bottom 19%
9. volcanoes 16%
10. Philippines 16%
11. low speed 15%
12. arcs 14%
13. wedges 13%
14. seismographs 12%
15. S waves 11%
16. anomalies 11%
17. stations 10%
18. anisotropy 9%
19. fluids 8%
20. volcanology 8%
21. China 8%
22. arrivals 8%
23. magma 8%
24. coasts 8%
25. inversions 8%
26. upwelling water 8%
27. lithosphere 7%
28. dehydration 6%
29. waveforms 5%
30. cratons 5%
31. Tibet 5%