《晋书·志·第十九章》
孝武帝宁康元年十月辛未，地震。
孝武帝宁康元年十月辛未，地震。
On Xinwei day in the first year of Emperor Xiao Wu's Ningkang reign, there was an earthquake.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 孝武帝宁康元年十月辛未，地震。 [/INST] On Xinwei day in the first year of Emperor Xiao Wu's Ningkang reign, there was an earthquake.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 孝武帝宁康元年十月辛未，地震。
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On Xinwei day in the first year of Emperor Xiao Wu's Ningkang reign, there was an earthquake.
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