YOU SAID:

My Dog died in a volcano

INTO JAPANESE

私の犬が火山で死亡しました。

BACK INTO ENGLISH

My dog died in the volcano.

INTO JAPANESE

私の犬は、火山で死亡しました。

BACK INTO ENGLISH

My dog was killed in the volcano.

INTO JAPANESE

私の犬は、火山で殺されました。

BACK INTO ENGLISH

My dog was killed in the volcano.