驚いた事に

surprisingly; to one’s surprise

→ 驚く
phrase Rare #38,436
surprisingly; to one’s surprise Used to introduce an unexpected fact or event. It is also commonly written as 驚いたことに, using hiragana instead of 事. The exact form 驚いた事に is somewhat more formal or literary in appearance.
JA: 驚いた事に、その子供は横浜からはるばる一人でここにやってきた。
EN: Surprisingly, the child came all the way here from Yokohama alone.

驚いた事に村に誰も人がいなかった

To my surprise, there was no one in the village.

ブライアン驚いた事に借金かなりのになっていた

To Brian’s surprise, the debt had amounted to quite a lot.

驚いた事にその子供は横浜からはるばる一人でここにやってきた

Surprisingly, the child came all the way here from Yokohama by himself.

驚いた事に彼女は生きていた

To my surprise, she was alive.