An earthquake with a moment magnitude of 6.0 strikes Ranau, Sabah, Malaysia, killing 18 people, including hikers and mountain guides on Mount Kinabalu, after mass landslides that occurred during the earthquake. This is the strongest earthquake to strike Malaysia since 1975.

The 2015 Sabah earthquake struck Ranau, Sabah, Malaysia with a moment magnitude of 6.0 on 5 June, which lasted for 30 seconds. The earthquake was the strongest to affect Malaysia since the 1976 Sabah earthquake.

Mount Kinabalu is the highest mountain in Malaysia and Maritime Southeast Asia, it is located on the Island of Borneo in Sabah. With a height of 4,095 metres (13,435 ft), it is the third-highest peak of an island on Earth, the 28th highest peak in Southeast Asia, and 20th most prominent mountain in the world. The mountain is located in Ranau district, West Coast Division of Sabah, Malaysia. It is protected as Kinabalu Park, a World Heritage Site.

June 5 is the 156th day of the year in the Gregorian calendar; 209 days remain until the end of the year.