TEMPO.CO, Jakarta - The Indonesian Meteorology, Climatology, and Geophysics Agency (BMKG) has announced several areas under tsunami alert and warning status following a 7.6 magnitude earthquake that struck the Ternate region, North Maluku, on Thursday, April 2, 2026. Based on expert analysis, the earthquake is categorized as having the potential to trigger a tsunami.
Acting Director of Earthquake and Tsunami at BMKG, Rahmat Triyono, stated that the earthquake was of tectonic type with an epicenter located at the coordinates 1.25 degrees North Latitude and 126.27 degrees East Longitude, precisely located at sea, 129 kilometers southeast of Bitung, North Sulawesi, at a depth of 33 kilometers.
"The earthquake that occurred is a type of shallow earthquake due to the deformation activity of the earth's crust. The results of the source mechanism analysis indicate that the earthquake has an upward movement mechanism," Rahmat said in a written statement after the incident.
Based on BMKG's modeling results, the following are the areas with alert and warning statuses for tsunami due to this earthquake:
Alert Status
- Ternate City
- Halmahera
- Tidore City
- Bitung City
- South Minahasa
- South South Minahasa
- South North Minahasa
Warning Status
- Sangihe Islands
- North Minahasa North
- South Bolaangmongondow
Based on seawater level monitoring by Tide Gauge, a tsunami has been detected in West Halmahera at 06:08 WIB (Western Indonesian Time) with a height of 0.30 meters, Bitung at 06:15 WIB with a height of 0.20 meters, Sidangoli at 06:16 WIB with a height of 0.35 meters, North Minahasa at 06:18 WIB with a height of 0.75 meters, and Belang at 06:36 WIB with a height of 0.68 meters. Then, until 06:50 WIB, BMKG's monitoring results show 11 aftershock earthquake activities with the largest magnitude of M5.5.
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