Authorities in the Federated States of Micronesia say there have been casualties and severe damage to infastructure in Chuuk state after Typhoon Maysack hit on Sunday.
The director of the National Emergency Management Office, Andrew Yatilman, says the eye of the category one typhoon directly hit the most populated area of Chuuk and caused serious damage.
He says communication was restored to Chuuk today, and the office has received reports of damage to infrastructure, homes and crops.
Mr Yatilman says the office believes at least four people have died.
"Residents that [have had] their roofs completely torn off, and so whoever was staying in those will have to be accommodated either by relatives or in public shelters that have been set up by the government. Most people are alright, we understand that there may have been a few casualties; between four and five that we know so far."
Andrew Yatilman says the typhoon is gaining intensity as it heads towards Yap state and international assistance may be requested.