Magnitude 5.6 Earthquake Strikes Southeast of Pacitan, East Java; No Tsunami Risk

A magnitude 5.6 earthquake struck waters southeast of Pacitan, East Java, on Saturday, 27 June 2026, at 14:47 WIB (Western Indonesia Time), according to Indonesia's Meteorology, Climatology, and Geophysics Agency (BMKG). The epicentre was located 86–96 kilometres southeast of Pacitan at coordinates 8.96°–9.05° South Latitude and 111.11°–111.16° East Longitude, at a shallow depth of 10–53 kilometres below sea level. BMKG confirmed that the earthquake posed no tsunami threat to Indonesian waters.

The earthquake resulted from tectonic activity caused by subduction zone movement, with analysis indicating a thrust fault mechanism. BMKG reported that the tremor was felt across multiple districts in East and Central Java with varying intensity levels. Intensity III on the Modified Mercalli Scale was recorded in Pacitan, Wonogiri, Tulungagung, and Blitar, where vibrations were felt noticeably inside buildings. Intensity II was reported in Kulon Progo, Bantul, Sleman, Yogyakarta, Trenggalek, Malang, Nganjuk, Magetan, Klaten, Ponorogo, and Jember, where vibrations were felt by some people and light hanging objects swayed.

BMKG advised the public to remain cautious for potential aftershocks and to avoid buildings that may have been damaged by the earthquake. The agency urged residents to remain calm and to rely only on official information from verified BMKG channels, including its social media account @infoBMKG, website www.bmkg.go.id, and mobile applications. BMKG stated that it would continue monitoring seismic activity and provide updates to stakeholders and the public.