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  "publishedAt": "2026-04-20T18:12:54.000Z",
  "site": "https://upstract.com",
  "textContent": "TOKYO -- An earthquake registering a preliminary magnitude of 7.7 off northern Japan on Monday prompted a short-lived tsunami alert and the advisory of a higher risk of a possible mega-quake for coastal areas there. The Cabinet Office and the Japan Meteorological Agency said there was a 1% chance…",
  "title": "Japan warns of slightly increased risk of mega-quake after a 7.7-magnitude one"
}