Booster engine testing at SpaceX's Boca Chica launch site ended in flames Monday afternoon. 

Local residents say the explosion was felt on South Padre Island.

RELATED: FAA requires SpaceX to take over 75 actions to mitigate environmental impact of planned starship/super heavy launches  

SpaceX CEO Elon Musk confirmed via Twitter that he personally checked out the rocket, adding that the base of the vehicle seems to be okay.

The launch pad was shut down overnight for safety. Musk also stated he hopes to learn more about what happened on Tuesday.

RELATED: FAA's SpaceX announcement gets mixed reactions from local organizations  

In a report released last month, the Federal Aviation Administration said that the company will need to take some actions to reduce environmental impacts if they want to continue launching from Boca Chica.