Lorien tells Katharine about a tragedy of gigantic proportions.

Sources:

• The Story of the Titanic: As Told by Its Survivors, Lawrence Beesley, Archibald Gracie, Commander Lightoller, Harold Bride, ed. Jack Winocour.
• https://www.history.com/articles/titanic
• https://en.wikipedia.org/wiki/Titanic
• https://www.news.com.au/lifestyle/real-life/news-life/titanic-tragedy-caused-by-fire-not-iceberg-claims-journalist/news-story/ef1bb657d02d64cd5f94cff4f361b4a7
• https://www.rd.com/list/titanic-survivors-what-happened-to-them-next/