International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1583353
Event time 2026-02-26 15:54:07 (UTC)
Local time 2026-02-27 00:54:07 - [It was night in the affected area.]
Last update 2026-02-26 15:54:07 (UTC)
Magnitude 3.9
Depth 63.4813 km
Class Minor
Hypocenter Shallow depth
Mercalli scale 2
Possible effects A few people might notice movement if they are at rest and/or on the upper floors of tall buildings.
Data status confirmed
Data provider Oman Meteorology

Location
Continent Asia
Country Japan
Administration area Okinawa
Nearest settlement Tarama
Distance 54 km
Course N
Surface type underwater quake
Tsunami region North Pacific
Water surface name Eastern China Sea



Risk Analisys
Nearest nuclear power plants
There is no known nuclear power plant nearby.
Nearest marine ports
Hirara Ko (67,42 km), Hirara Ko (67,42 km)
Nearest airports
Shimojishima Airport (54,58 km), Shimojishima Airport (54,58 km), Tarama Airport (55,39 km), Tarama Airport (55,39 km), Miyako Airport (69,48 km)
Nearest volcanoes
There is no known volcanoes nearby.
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.