What the records say
- When
- 13 Jul 869
- Kind
- Tsunami
- Coordinates
- 38.50° N, 143.80° E
- Deaths
- 1000
- Source quake magnitude
- 8.6
- Runups
- 5
Placed at the area, not an exact site.
869 Jōgan earthquake
Earthquake and tsunami near the Japanese island of Honshu
The 869 Jōgan earthquake and its associated tsunami struck the area around Sendai in the northern part of Honshu on 9 July 869. The earthquake had an estimated magnitude of at least 8.6 on the moment magnitude scale, but may have been as high as 9.0, similar to the 2011 Tōhoku earthquake and tsunami. The tsunami caused widespread flooding of the Sendai plain.
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The source
- NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainSource page