International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1584291
Event time 2026-02-27 23:06:37 (UTC)
Local time 2026-02-27 14:06:37 - [It was afternoon in the affected area.]
Last update 2026-02-27 23:17:38 (UTC)
Magnitude 4.5
Depth 447 km
Class Light
Hypocenter Great 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
Data provider EMSC

Location
Continent Asia
Country Japan
Administration area Tōkyō
Nearest settlement Ogasawara
Distance 226 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 (54,00 km), Kinyo Seamount volcano (63,84 km), Doyo Seamount volcano (72,75 km), Suiyo Seamount volcano (78,40 km), Nishinoshima volcano (109,78 km)
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.