Libraries such as ethers or web3js allow you to filter or subscribe to specific events, and this is the liquidation topic which you can [query for](https://arbiscan.io/txsea=0x794a61358d6845594f94dc1db02a252b5b4814ad&topic0=0xe413a321e8681d831f4dbccbca790d2952b56f977908e45be37335533e005286);