At 9:20 a.m (UTC), the Pacific Tsunami Warning Centre issued a tsunami warning and estimated arrival times.

* Northern Marianas: 0901 UTC
…* Guam: 0917 UTC
* Yap: 0952 UTC
* Marshall Islands (Enewetak): 1021 UTC
* Palau: 1030 UTC
* Pohnpei: 1036 UTC
* Chuuk: 1041 UTC
* Manokwari: 1125 UTC
* Jayapura: 1142 UTC
* Papua New Guinea (Kavieng): 1132 UTC
* Nauru: 1157 UTC
* Solomon Islands (Panggoe): 1228 UTC
* Tarawa: 1236 UTC
* Hawaii: 1307 UTC
* Tuvalu: 1338 UTC
* Vanuatu (Esperitu Santo): 1416 UTC
* Tokelau: 1417 UTC
* Futuna: 1435 UTC
* Samoa: 1453 UTC
* American Samoa: 1500 UTC
* Cook Islands: 1500 UTC
* Niue: 1535 UTC
* Australia (Cairns): 1535 UTC
* Fiji: 1537 UTC
* Caledonia: 1538 UTC
* Tonga: 1605 UTC
* Kermadec Islands: 1656 UTC
* French Polynesia (Papeete): 1714 UTC
* New Zealand (North Cape): 1723 UTC
* Pitcairn Island: 2008 UTC
* Easter Islands: 2303 UTC