A volcano in that location of Africa devastating North America?
No.
Disaster stories are hugely popular and Netflix's La Palma is just the latest hit in the growing genre. However, although the series presents itself as being based on a real hypothesis, "megatsunami" scenarios have been debunked in recent years.
www.preventionweb.net
Now the above article is about something similar in the Canary Islands, which has a direct path to the US Coast, and there is no threat from there.
Just because it is a "show about volcanos" does not mean it is real or accurate. I see a hell of a lot of junk science floating out there, and any claim like that should be discarded.