International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1353397
Event time 2025-04-24 06:51:26 (UTC)
Local time 2025-04-23 17:51:26 - [It was evening in the affected area.]
Last update 2025-04-24 07:14:00 (UTC)
Magnitude 4.6
Depth 369.4 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 Pacific Ocean - East
Country Tonga
Administration area Tongatapu
Nearest settlement Houma
Distance 268 km
Course SW
Surface type underwater quake
Tsunami region South Pacific
Water surface name South Pacific Ocean



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
There is no known volcanoes nearby.
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.