Nearly half a million residents have been ordered to evacuate immediately believing another much larger eruption and possible tsunami could be imminent.
Cuba will be affected later on Friday, while more than a half million people have been ordered to leave their homes in Florida before the hurricane Irma hit the US state on Sunday.
A senior UN official has said its aid distribution in Gaza has come to a standstill after the Israeli military issued a new evacuation order for the area it's been operating from.