Sapwuahfik
| NASA picture of Sapwuahfik Atoll | |
| Geography | |
|---|---|
| Location | Pacific Ocean | 
| Coordinates | 5°47′16″N 157°09′12″E / 5.7878°N 157.1533113°E | 
| Total islands | 10 | 
| Major islands | Ngatik | 
| Length | 22.5 km (13.98 mi) | 
| Width | 9.6 km (5.97 mi) | 
| Administration | |
| Federated States of Micronesia | |
| State | Pohnpei | 
| Area covered | 110 km2 (42 sq mi) | 
| Demographics | |
| Population | 433 (2010) | 
| Languages | |
| Additional information | |
| Time zone | 
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Sapwuahfik, formerly Ngatik, or the Raven Islands is a 110-square-kilometer (42 sq mi) atoll in Pohnpei state of the Federated States of Micronesia. It is a village and municipality of roughly 430 people on a land area of 1.5 square kilometers (0.58 sq mi). It is mostly known in history as the site of the Ngatik massacre.