International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1583927
Event time 2026-02-27 11:01:14 (UTC)
Local time 2026-02-27 20:01:14 - [It was evening in the affected area.]
Last update 2026-02-27 11:01:14 (UTC)
Magnitude 4.2
Depth 88.0089 km
Class Light
Hypocenter Medium deep
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 confirmed
Data provider Oman Meteorology

Location
Continent Asia
Country Japan
Administration area Okinawa
Nearest settlement Hirara
Distance 30 km
Course NNE
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 (30,65 km), Hirara Ko (30,65 km), Ishigaki (149,47 km), Ishigaki (149,47 km)
Nearest airports
Miyako Airport (31,88 km), Miyako Airport (31,88 km), Shimojishima Airport (36,99 km), Shimojishima Airport (36,99 km), Tarama Airport (87,00 km)
Nearest volcanoes
There is no known volcanoes nearby.
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.