International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1584302
Event time 2026-02-27 23:06:38 (UTC)
Local time 2026-02-27 14:06:38 - [It was afternoon in the affected area.]
Last update 2026-02-27 23:59:54 (UTC)
Magnitude 4.4
Depth 447.814 km
Class Light
Hypocenter Great 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 reviewed
Data provider USGS

Location
Continent Asia
Country Japan
Administration area Tōkyō
Nearest settlement Ogasawara
Distance 238 km
Course WNW
Surface type underwater quake
Tsunami region North Pacific
Water surface name Philippine Sea



Risk Analisys
Nearest nuclear power plants
There is no known nuclear power plant nearby.
Nearest marine ports
There is no known marine port nearby.
Nearest airports
There is no known marine port nearby.
Nearest volcanoes
Mokuyo Seamount volcano (56,23 km), Kinyo Seamount volcano (72,45 km), Suiyo Seamount volcano (77,33 km), Doyo Seamount volcano (85,53 km), Kayo Seamount volcano (117,30 km)
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.