International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1583423
Event time 2026-02-26 18:51:54 (UTC)
Local time 2026-02-27 03:51:54 - [It was night in the affected area.]
Last update 2026-02-26 18:51:54 (UTC)
Magnitude 4.6
Depth 31.9369 km
Class Light
Hypocenter Shallow depth
Mercalli scale 4
Possible effects Most people indoors feel movement. Hanging objects swing. Dishes, windows, and doors rattle. The earthquake feels like a heavy truck hitting the walls. A few people outdoors may feel movement. Parked cars rock.
Data status confirmed
Data provider Oman Meteorology

Location
Continent Asia
Country Japan
Administration area Okinawa
Nearest settlement Hirara
Distance 38 km
Course NW
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 (37,07 km), Hirara Ko (37,07 km), Ishigaki (122,78 km), Ishigaki (122,78 km)
Nearest airports
Shimojishima Airport (28,27 km), Shimojishima Airport (28,27 km), Miyako Airport (39,31 km), Miyako Airport (39,31 km), Tarama Airport (61,25 km)
Nearest volcanoes
Submarine Volcano NNE of Iriomotejima volcano (128,06 km)
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.