International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1584470
Event time 2026-02-28 04:15:57 (UTC)
Local time 2026-02-28 12:15:57 - [It was afternoon in the affected area.]
Last update 2026-02-28 04:15:57 (UTC)
Magnitude 5
Depth 349.081 km
Class Moderate
Hypocenter Great depth
Mercalli scale 5
Possible effects Almost everyone feels movement. Sleeping people are awakened. Doors swing open or close. Dishes are broken. Pictures on the wall move. Small objects move or are turned over. Trees might shake. Liquids might spill out of open containers.
Data status confirmed
Data provider Oman Meteorology

Location
Continent Indonesian Archipelago
Country Indonesia
Administration area North Sulawesi
Nearest settlement Manado
Distance 237 km
Course N
Surface type underwater quake
Tsunami region North Pacific
Water surface name Celebes Sea



Risk Analisys
Nearest nuclear power plants
There is no known nuclear power plant nearby.
Nearest marine ports
Tahuna (104,84 km), Tahuna (104,84 km)
Nearest airports
Naha Airport (110,22 km), Naha Airport (110,22 km)
Nearest volcanoes
Lipang volcano (100,78 km), Awu volcano (101,33 km), Napo Taroare volcano (102,63 km), Kawalusu volcano (112,61 km), Banua Wuhu volcano (117,02 km)
Quick Analysis
According to the epicenter of the quake, this is an underwater quake. Based on the data received, the formation of a tsunami is not conceivable on the basis of the high-depth hypocenter. Underwater landslides, volcanic activity, however, cannot be ruled out.