International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1584045
Event time 2026-02-27 14:54:30 (UTC)
Local time 2026-02-27 05:54:30 - [It was morning in the affected area.]
Last update 2026-02-27 15:00:05 (UTC)
Magnitude 4.3
Depth 0 km
Class Light
Hypocenter Shallow depth
Mercalli scale 3
Possible effects Any people indoors feel movement. Hanging objects swing back and forth. People outdoors might not realize that an earthquake is occurring.
Data status
Data provider EMSC

Location
Continent Asia
Country Japan
Administration area Okinawa
Nearest settlement Hirara
Distance 73 km
Course NNW
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 (72,35 km), Hirara Ko (72,35 km), Ishigaki (145,10 km), Ishigaki (145,10 km)
Nearest airports
Shimojishima Airport (65,17 km), Shimojishima Airport (65,17 km), Miyako Airport (74,57 km), Miyako Airport (74,57 km), Tarama Airport (88,92 km)
Nearest volcanoes
Submarine Volcano NNE of Iriomotejima volcano (141,86 km), Kobi-sho volcano (144,28 km)
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.