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1828 Sanjō Earthquake
- When
- 1828-12-18
- Where
- Sanjō, Echigo Province
An earthquake struck Sanjō in Echigo Province, Japan, on December 18, 1828, in an area now within Niigata Prefecture.
The earthquake occurred at Sanjō, which was part of Echigo Province at the time, according to the sourced account. That area now falls within Niigata Prefecture, a prefecture in the Chūbu region of Honshu. The supplied passages record the date and location of the event but do not describe its severity, magnitude, or casualties.
Sources
- 1828 Sanjō earthquake Wikipedia, revision of 2026-06-20
- Niigata Prefecture Wikipedia, revision of 2026-09-27
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.