References for tectonic plate boundaries:
Coffin, M.F., Gahagan, L.M., and Lawver, L.A., 1998, Present-day Plate Boundary Digital Data Compilation. University of Texas Institute for Geophysics Technical Report No. 174, pp. 5.
Regional instrumental seismicity
This seismicity maps have been generated by concatenating the ISC catalogue (since 1964), the EMSC Euro-Med Bulletin catalogue and the EMSC Real Time catalogue. Therefore, they show the seismicity from 1964 until the earthquake occurrence.
Regional deadly earthquakes from 1500 to origin time
| Date |
Long. |
Lat. |
Mag. |
Death |
Location |
|
| 1640-07-31 | 140.7 | 42.1 | ? | 700 | HOKKAIDO, JAPAN REGION |
| 1694-06-19 | 140.1 | 40.2 | 7.0 | 394 | EASTERN HONSHU, JAPAN |
| 1704-05-27 | 140.0 | 40.4 | 7.0 | 77 | EASTERN HONSHU, JAPAN |
| 1741-08-29 | 139.4 | 41.6 | ? | 2000 | HOKKAIDO, JAPAN REGION |
| 1766-03-08 | 140.6 | 40.7 | 7.3 | 1335 | EASTERN HONSHU, JAPAN |
| 1810-09-25 | 139.9 | 39.9 | 6.5 | 60 | NEAR WEST COAST OF HONSHU, JAPAN |
| 1939-05-01 | 139.7 | 39.9 | 6.8 | 27 | NEAR WEST COAST OF HONSHU, JAPAN |
| 1983-05-26 | 139.1 | 40.4 | 7.7 | 108 | NEAR WEST COAST OF HONSHU, JAPAN |
| 1993-07-12 | 139.2 | 42.8 | 7.8 | 233 | HOKKAIDO, JAPAN REGION |
Source:
Testimonies, photos
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