《明史·志·卷六》
己亥日，信阳也发生地震。
己亥，信阳亦震。
On the day of Jihai, Xinyang also had an earthquake.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 己亥，信阳亦震。 [/INST] On the day of Jihai, Xinyang also had an earthquake.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 己亥，信阳亦震。
user
On the day of Jihai, Xinyang also had an earthquake.
assistant