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Introduction .................................................... 3
1. Unearthed earthquakes ........................................ 7
      Earthquake potential • Tsunami potential Flood stories
      • Alaskan analog Sunken shores • Sand sheets In harm's way
      • Currents and cracks Magnitude 9?
2. The orphan tsunami .......................................... 27
      Literate hosts
      Wetted places • Primary sources
   Kuwagasaki .................................................. 36
      Account in Morioka-han "Zassho"
      Words for waves • Converting time
      Samurai scribes • High ground
      Tsunami size
   Tsugaruishi ................................................. 50
      Account in Moriai-ke "Nikki kakitome cho"
      Human error • Social status
      Foreign waves • Tsunami size
   Otsuchi ..................................................... 58
      Account in Morioka-han "Zassho"
      Report to Edo • Collected writings
      Tsunami size
   Nakaminato .................................................. 66
      Account in Ouchi-ke "Go-yodome"
      Certified loss • Fair-weather waves
      Simulated waves
   Miho ........................................................ 76
      Account in "Miho-mura yoji oboe"
      Tidal waves • Tsunami size
   Tanabe ...................................................... 84
      Account in "Tanabe-machi daicho"
      Tsunami size near a storehouse
      Tsunami size near Tanabe Bay
      Sawtooth cycles
3. The orphan's parent ......................................... 93
      By elimination • Tree-ring tests Magnitude 9
      • Muddy forecast High-enough ground • Seismic waves
Acknowledgments ............................................... 106
Authors ....................................................... 110
References .................................................... 112
Index ......................................................... 124
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